138005809920

Names of 138005809920

• Cardinal: 138005809920 can be written as One hundred thirty-eight billion, five million, eight hundred nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.3800580992 × 10¹¹

Factors of 138005809920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 114

Divisors of 138005809920

• Number of divisors d(n): 1296
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 19 20 22 24 30 31 32 33 36 38 40 43 44 45 48 55 57 60 62 64 66 72 76 80 86 88 90 93 95 96 99 110 114 120 124 128 129 132 144 152 155 160 165 171 172 176 180 186 190 192 198 209 215 220 228 240 248 256 258 264 279 285 288 304 310 320 330 341 342 344 352 360 372 380 384 387 396 418 430 440 456 465 473 480 495 496 516 528 558 570 576 589 608 620 627 640 645 660 682 684 688 704 720 744 760 768 774 792 817 836 855 860 880 912 930 946 960 990 992 1023 1032 1045 1056 1116 1140 1152 1178 1216 1240 1254 1280 1290 1320 1333 1364 1368 1376 1395 1408 1419 1440 1488 1520 1548 1584 1634 1672 1705 1710 1720 1760 1767 1824 1849 1860 1881 1892 1920 1935 1980 1984 2046 2064 2090 2112 2232 2280 2304 2356 2365 2432 2451 2480 2508 2580 2640 2666 2728 2736 2752 2790 2816 2838 2880 2945 2976 3040 3069 3096 3135 3168 3268 3344 3410 3420 3440 3520 3534 3648 3698 3720 3762 3784 3840 3870 3960 3968 3999 4085 4092 4128 4180 4224 4257 4464 4560 4712 4730 4864 4902 4960 5016 5115 5160 5280 5301 5332 5456 5472 5504 5547 5580 5676 5760 5890 5952 6080 6138 6192 6270 6336 6479 6536 6665 6688 6820 6840 6880 7040 7068 7095 7296 7353 7396 7440 7524 7568 7740 7920 7936 7998 8170 8184 8256 8360 8448 8514 8835 8928 8987 9120 9245 9405 9424 9460 9804 9920 10032 10230 10320 10560 10602 10664 10912 10944 11008 11094 11160 11352 11520 11780 11904 11997 12160 12255 12276 12384 12540 12672 12958 13072 13330 13376 13640 13680 13760 14080 14136 14190 14592 14663 14706 14792 14880 15048 15136 15345 15480 15840 15996 16340 16368 16512 16641 16720 17028 17670 17856 17974 18240 18490 18810 18848 18920 19437 19608 19840 19995 20064 20339 20460 20640 21120 21204 21285 21328 21824 21888 22188 22320 22704 23560 23808 23994 24320 24510 24552 24768 25080 25327 25344 25916 26144 26505 26660 26752 26961 27280 27360 27520 27735 28272 28380 29326 29412 29584 29760 30096 30272 30690 30960 31680 31992 32395 32680 32736 33024 33282 33440 34056 35131 35340 35712 35948 36480 36765 36980 37620 37696 37840 38874 39216 39680 39990 40128 40678 40920 41280 42240 42408 42570 42656 43648 43776 43989 44376 44640 44935 45408 47120 47988 49020 49104 49536 50160 50654 51832 52288 53010 53320 53504 53922 54560 54720 55040 55470 56544 56760 57319 58311 58652 58824 59168 59520 59985 60192 60544 61017 61380 61920 63360 63984 64790 65360 65472 66564 66880 68112 70262 70680 71424 71896 72960 73315 73530 73960 75240 75392 75680 75981 77748 78432 79980 80256 80883 81356 81840 82560 83205 84816 85140 85312 87296 87978 88752 89280 89870 90816 94240 95976 97185 98040 98208 99072 100320 101308 101695 103664 104576 105393 106020 106640 107844 109120 109440 110940 113088 113520 114638 116622 117304 117648 118336 119040 119970 120384 121088 122034 122760 123840 126635 126720 127968 129580 130720 130944 131967 133128 133760 134805 136224 140524 141360 143792 146630 147060 147920 150480 150784 151360 151962 155496 156864 159960 160512 161766 162712 163680 165120 166410 169632 170280 170624 171957 175655 175956 177504 178560 179740 181632 183051 188480 191952 194370 196080 196416 200640 202616 203390 207328 209152 210786 212040 213280 215688 218240 218880 219945 221880 226176 227040 227943 229276 233244 234608 235296 236672 239940 240768 244068 245520 247680 253270 255936 259160 261440 261888 263934 266256 267520 269610 272448 278597 281048 282720 286595 287584 291555 293260 294120 295840 300960 302720 303924 305085 310992 313728 316179 319920 323532 325424 327360 332820 339264 340560 341248 343914 351310 351912 355008 357120 359480 363264 366102 376960 379905 383904 386441 388740 392160 392832 401280 404415 405232 406780 414656 421572 424080 426560 431376 436480 439890 443760 452352 454080 455886 458552 466488 469216 470592 473344 479880 481536 488136 491040 495360 506540 511872 515871 518320 522880 526965 527868 532512 539220 544896 557194 562096 565440 573190 575168 583110 586520 588240 591680 601920 605440 607848 610170 621984 627456 630509 632358 639840 647064 650848 654720 659835 665640 678528 681120 687828 702620 703824 710016 718960 732204 753920 759810 767808 772882 777480 784320 785664 802560 808830 810464 813560 829312 835791 843144 848160 853120 859785 862752 879780 887520 908160 911772 915255 917104 932976 938432 941184 959760 976272 982080 1013080 1023744 1031742 1036640 1045760 1053930 1055736 1065024 1078440 1089061 1089792 1114388 1124192 1130880 1139715 1146380 1150336 1159323 1166220 1173040 1176480 1183360 1203840 1215696 1220340 1243968 1261018 1264716 1279680 1294128 1301696 1309440 1319670 1331280 1357056 1362240 1375656 1392985 1405240 1407648 1420032 1437920 1464408 1519620 1535616 1545764 1554960 1568640 1580895 1617660 1620928 1627120 1658624 1671582 1686288 1696320 1706240 1719570 1725504 1759560 1775040 1816320 1823544 1830510 1834208 1865952 1876864 1882368 1891527 1919520 1932205 1952544 1964160 2026160 2063484 2073280 2107860 2111472 2130048 2156880 2178122 2228776 2248384 2261760 2279430 2292760 2300672 2318646 2332440 2346080 2352960 2366720 2407680 2431392 2440680 2487936 2507373 2522036 2529432 2559360 2579355 2588256 2603392 2639340 2662560 2724480 2751312 2785970 2810480 2815296 2875840 2928816 3039240 3071232 3091528 3109920 3137280 3152545 3161790 3235320 3241856 3254240 3267183 3343164 3372576 3392640 3439140 3451008 3477969 3519120 3550080 3647088 3661020 3668416 3731904 3753728 3783054 3839040 3864410 3905088 3928320 4052320 4126968 4146560 4178955 4215720 4222944 4260096 4313760 4356244 4457552 4496768 4558860 4585520 4637292 4664880 4692160 4705920 4862784 4881360 4975872 5014746 5044072 5058864 5118720 5158710 5176512 5206784 5278680 5325120 5445305 5448960 5502624 5571940 5620960 5630592 5674581 5751680 5796615 5857632 6078480 6183056 6219840 6305090 6323580 6470640 6483712 6508480 6534366 6686328 6745152 6785280 6878280 6902016 6955938 7038240 7100160 7294176 7322040 7336832 7463808 7566108 7678080 7728820 7810176 8104640 8253936 8293120 8357910 8431440 8445888 8627520 8712488 8915104 8993536 9117720 9171040 9274584 9329760 9384320 9411840 9457635 9725568 9762720 9801549 10029492 10088144 10117728 10317420 10353024 10557360 10650240 10890610 11005248 11143880 11241920 11261184 11349162 11503360 11593230 11715264 11979671 12156960 12366112 12439680 12536865 12610180 12647160 12941280 13016960 13068732 13372656 13490304 13756560 13911876 14076480 14588352 14644080 14673664 14927616 15132216 15356160 15457640 15620352 16209280 16335915 16507872 16715820 16862880 16891776 17255040 17389845 17424976 17830208 18235440 18342080 18549168 18659520 18768640 18915270 19451136 19525440 19603098 20058984 20176288 20235456 20634840 20706048 21114720 21300480 21781220 22010496 22287760 22483840 22698324 23186460 23430528 23959342 24313920 24732224 24879360 25073730 25220360 25294320 25882560 26033920 26137464 26745312 26980608 27513120 27823752 28152960 28372905 29176704 29288160 30264432 30915280 32418560 32671830 33015744 33431640 33725760 33783552 34510080 34779690 34849952 35660416 35939013 36470880 36684160 37098336 37319040 37830540 39050880 39206196 40117968 40352576 40470912 41269680 42229440 43562440 44020992 44575520 44967680 45396648 46372920 46861056 47918684 48627840 49007745 49464448 50147460 50440720 50588640 51765120 52274928 53490624 55026240 55647504 56305920 56745810 58353408 58576320 59898355 60528864 61830560 65343660 66031488 66863280 67451520 69559380 69699904 71320832 71878026 72941760 73368320 74196672 74638080 75661080 78101760 78412392 80235936 80705152 80941824 82539360 84458880 87124880 89151040 90793296 92745840 95837368 97255680 98015490 98928896 100294920 100881440 101177280 103530240 104549856 106981248 107817039 110052480 111295008 113491620 117152640 119796710 121057728 123661120 130687320 132062976 133726560 134903040 139118760 139399808 143756052 145883520 148393344 151322160 156824784 160471872 161410304 165078720 168917760 174249760 178302080 179695065 181586592 185491680 191674736 196030980 200589840 201762880 202354560 209099712 213962496 215634078 220104960 222590016 226983240 234305280 239593420 242115456 247322240 261374640 267453120 278237520 278799616 287512104 291767040 296786688 302644320 313649568 320943744 330157440 348499520 356604160 359390130 363173184 370983360 383349472 392061960 401179680 403525760 404709120 418199424 431268156 445180032 453966480 479186840 484230912 494644480 522749280 534906240 539085195 556475040 575024208 605288640 627299136 641887488 660314880 696999040 718780260 726346368 741966720 766698944 784123920 802359360 807051520 836398848 862536312 890360064 907932960 958373680 1045498560 1069812480 1078170390 1112950080 1150048416 1210577280 1254598272 1393998080 1437560520 1452692736 1483933440 1533397888 1568247840 1604718720 1725072624 1815865920 1916747360 2090997120 2156340780 2225900160 2300096832 2421154560 2509196544 2875121040 3066795776 3136495680 3209437440 3450145248 3631731840 3833494720 4181994240 4312681560 4451800320 4600193664 5750242080 6272991360 6900290496 7263463680 7666989440 8625363120 9200387328 11500484160 12545982720 13800580992 15333978880 17250726240 23000968320 27601161984 34501452480 46001936640 69002904960 138005809920
• Sum of all divisors σ(n): 579465169920
• Sum of proper divisors (its aliquot sum) s(n): 441459360000
• 138005809920 is an abundant number, because the sum of its proper divisors (441459360000) is greater than itself. Its abundance is 303453550080

Bases of 138005809920

• Binary: 10000000100001110010011000101100000000₂
• Hexadecimal: 0x2021C98B00
• Base-36: 1RED3GG0

Squares and roots of 138005809920

• 138005809920 squared (138005809920²) is 19045603571675170406400
• 138005809920 cubed (138005809920³) is 2628403946324276663089247551488000
• The square root of 138005809920 is 371491.3322272809
• The cube root of 138005809920 is 5167.7217721883

Scales and comparisons

• 138,005,809,920 seconds is equal to 4,388 years, 8 weeks, 1 day, 11 hours, 12 minutes.
• To count from 1 to 138,005,809,920 would take you about eight thousand, seven hundred seventy-six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 138005809920 cubic inches would be around 430.6 feet tall.

Recreational maths with 138005809920

• 138005809920 backwards is 029908500831
• 138005809920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138005809920's digits is 45
• More coming soon!