138635864640

Names of 138635864640

• Cardinal: 138635864640 can be written as One hundred thirty-eight billion, six hundred thirty-five million, eight hundred sixty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3863586464 × 10¹¹

Factors of 138635864640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 5843

Divisors of 138635864640

• Number of divisors d(n): 756
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 28 30 32 35 36 39 40 42 45 48 49 52 56 60 63 64 65 70 72 78 80 84 90 91 96 98 104 105 112 117 120 126 130 140 144 147 156 160 168 169 180 182 192 195 196 208 210 224 234 240 245 252 260 273 280 288 294 312 315 320 336 338 360 364 390 392 416 420 441 448 455 468 480 490 504 507 520 546 560 576 585 588 624 630 637 672 676 720 728 735 780 784 819 832 840 845 882 910 936 960 980 1008 1014 1040 1092 1120 1170 1176 1183 1248 1260 1274 1344 1352 1365 1440 1456 1470 1521 1560 1568 1638 1680 1690 1764 1820 1872 1911 1960 2016 2028 2080 2184 2205 2240 2340 2352 2366 2496 2520 2535 2548 2704 2730 2880 2912 2940 3042 3120 3136 3185 3276 3360 3380 3528 3549 3640 3744 3822 3920 4032 4056 4095 4160 4368 4410 4680 4704 4732 5040 5070 5096 5408 5460 5733 5813 5824 5880 5915 6084 6240 6370 6552 6720 6760 7056 7098 7280 7488 7605 7644 7840 8112 8190 8281 8736 8820 9360 9408 9464 9555 10080 10140 10192 10647 10816 10920 11466 11626 11760 11830 12168 12480 12740 13104 13520 14112 14196 14560 15210 15288 15680 16224 16380 16562 17439 17472 17640 17745 18720 18928 19110 20160 20280 20384 21294 21840 22932 23252 23520 23660 24336 24843 25480 26208 27040 28224 28392 28665 29065 29120 30420 30576 32448 32760 33124 34878 35280 35490 37440 37856 38220 40560 40691 40768 41405 42588 43680 45864 46504 47040 47320 48672 49686 50960 52317 52416 53235 54080 56784 57330 58130 60840 61152 65520 66248 69756 70560 70980 74529 75569 75712 76440 81120 81382 82810 85176 87195 87360 91728 93008 94640 97344 99372 101920 104634 106470 113568 114660 116260 121680 122073 122304 124215 131040 132496 139512 141120 141960 149058 151138 152880 162240 162764 165620 170352 174390 183456 186016 189280 198744 203455 203840 209268 212940 226707 227136 229320 232520 243360 244146 248430 261585 262080 264992 279024 283920 284837 298116 302276 305760 325528 331240 340704 348780 366219 366912 372032 372645 377845 378560 397488 406910 418536 425880 453414 458640 465040 486720 488292 496860 523170 528983 529984 558048 567840 569674 596232 604552 610365 611520 651056 662480 680121 681408 697560 732438 745290 755690 794976 813820 837072 851760 854511 906828 917280 930080 976584 982397 993720 1046340 1057966 1116096 1133535 1135680 1139348 1192464 1209104 1220730 1302112 1324960 1360242 1395120 1424185 1464876 1490580 1511380 1586949 1589952 1627640 1674144 1703520 1709022 1813656 1831095 1834560 1860160 1953168 1964794 1987440 2092680 2115932 2267070 2278696 2384928 2418208 2441460 2563533 2604224 2644915 2649920 2720484 2790240 2848370 2929752 2947191 2981160 3022760 3173898 3255280 3348288 3400605 3407040 3418044 3627312 3662190 3702881 3906336 3929588 3974880 4185360 4231864 4272555 4534140 4557392 4760847 4769856 4836416 4882920 4911985 5127066 5289830 5440968 5580480 5696740 5859504 5894382 5962320 6045520 6347796 6510560 6801210 6836088 6876779 7254624 7324380 7405762 7812672 7859176 7934745 7949760 8370720 8463728 8545110 8841573 9068280 9114784 9521694 9765840 9823970 10254132 10579660 10881936 11108643 11393480 11719008 11788764 11924640 12091040 12695592 12817665 13021120 13602420 13672176 13753558 14509248 14648760 14735955 14811524 15718352 15869490 16741440 16927456 17090220 17683146 18136560 18229568 18514405 19043388 19531680 19647940 20508264 20630337 21159320 21763872 22217286 22786960 23438016 23577528 23804235 23849280 24182080 25391184 25635330 27204840 27344352 27507116 29297520 29471910 29623048 31436704 31738980 33325929 33854912 34180440 34383895 35366292 36273120 37028810 38086776 39063360 39295880 41016528 41260674 42318640 43527744 44207865 44434572 45573920 47155056 47608470 48137453 50782368 51270660 54409680 54688704 55014232 55543215 58595040 58943820 59246096 61891011 62873408 63477960 66651858 68360880 68767790 70732584 72546240 74057620 76173552 78591760 82033056 82521348 84637280 88415730 88869144 91147840 94310112 95216940 96274906 101564736 102541320 103151685 108819360 110028464 111086430 117190080 117887640 118492192 123782022 126955920 133303716 136721760 137535580 141465168 144412359 148115240 152347104 157183520 164066112 165042696 166629645 169274560 176831460 177738288 188620224 190433880 192549812 205082640 206303370 217638720 220056928 222172860 235775280 236984384 240687265 247564044 253911840 266607432 273443520 275071160 282930336 288824718 296230480 304694208 309455055 314367040 330085392 333259290 353662920 355476576 380867760 385099624 410165280 412606740 433237077 440113856 444345720 471550560 481374530 495128088 507823680 533214864 550142320 565860672 577649436 592460960 618910110 660170784 666518580 707325840 710953152 722061795 761735520 770199248 820330560 825213480 866474154 888691440 943101120 962749060 990256176 1066429728 1100284640 1155298872 1184921920 1237820220 1320341568 1333037160 1414651680 1444123590 1523471040 1540398496 1650426960 1732948308 1777382880 1925498120 1980512352 2132859456 2166185385 2200569280 2310597744 2475640440 2666074320 2829303360 2888247180 3080796992 3300853920 3465896616 3554765760 3850996240 3961024704 4332370770 4621195488 4951280880 5332148640 5776494360 6601707840 6931793232 7701992480 8664741540 9242390976 9902561760 10664297280 11552988720 13863586464 15403984960 17329483080 19805123520 23105977440 27727172928 34658966160 46211954880 69317932320 138635864640
• Sum of all divisors σ(n): 600757631604
• Sum of proper divisors (its aliquot sum) s(n): 462121766964
• 138635864640 is an abundant number, because the sum of its proper divisors (462121766964) is greater than itself. Its abundance is 323485902324

Bases of 138635864640

• Binary: 10000001000111010101110110101001000000₂
• Hexadecimal: 0x2047576A40
• Base-36: 1ROS7PS0

Squares and roots of 138635864640

• 138635864640 squared (138635864640²) is 19219902964480402329600
• 138635864640 cubed (138635864640³) is 2664567865777639785299166265344000
• The square root of 138635864640 is 372338.3738483049
• The cube root of 138635864640 is 5175.5741109193

Scales and comparisons

• 138,635,864,640 seconds is equal to 4,408 years, 9 weeks, 6 days, 18 hours, 24 minutes.
• To count from 1 to 138,635,864,640 would take you about eight thousand, eight hundred sixteen 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 138635864640 cubic inches would be around 431.3 feet tall.

Recreational maths with 138635864640

• 138635864640 backwards is 046468536831
• The number of decimal digits it has is: 12
• The sum of 138635864640's digits is 54
• More coming soon!