20820872108400

Names of 20820872108400

• Cardinal: 20820872108400 can be written as Twenty trillion, eight hundred twenty billion, eight hundred seventy-two million, one hundred eight thousand, four hundred.

Scientific notation

• Scientific notation: 2.08208721084 × 10¹³

Factors of 20820872108400

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 77047

Divisors of 20820872108400

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 25 26 28 30 35 37 39 40 42 48 50 52 56 60 65 67 70 74 75 78 80 84 91 100 104 105 111 112 120 130 134 140 148 150 156 168 175 182 185 195 200 201 208 210 222 240 259 260 268 273 280 296 300 312 325 335 336 350 364 370 390 400 402 420 444 455 469 481 518 520 525 536 546 555 560 592 600 624 650 670 700 728 740 777 780 804 840 871 888 910 925 938 962 975 1005 1036 1040 1050 1072 1092 1110 1200 1295 1300 1340 1365 1400 1407 1443 1456 1480 1554 1560 1608 1675 1680 1742 1776 1820 1850 1876 1924 1950 2010 2072 2100 2184 2220 2275 2345 2405 2479 2590 2600 2613 2680 2730 2775 2800 2814 2886 2960 3108 3120 3216 3350 3367 3484 3640 3700 3752 3848 3885 3900 4020 4144 4200 4355 4368 4440 4550 4690 4810 4958 5025 5180 5200 5226 5360 5460 5550 5628 5772 6097 6216 6475 6700 6734 6825 6968 7035 7215 7280 7400 7437 7504 7696 7770 7800 8040 8400 8710 8880 9100 9380 9620 9916 10050 10101 10360 10452 10920 11100 11256 11544 11725 12025 12194 12395 12432 12950 13065 13400 13468 13650 13936 14070 14430 14800 14874 15540 15600 16080 16835 17353 17420 18200 18291 18760 19240 19425 19832 20100 20202 20720 20904 21775 21840 22200 22512 23088 23450 24050 24388 24790 25900 26130 26800 26936 27300 28140 28860 29748 30485 31080 32227 33670 34706 34840 35175 36075 36400 36582 37185 37520 38480 38850 39664 40200 40404 41808 43550 44400 46900 48100 48776 49580 50505 51800 52059 52260 53872 54600 56280 57720 59496 60970 61975 62160 64454 65325 67340 69412 69680 70350 72150 73164 74370 76913 77700 80400 80808 84175 86765 87100 91455 93800 96200 96681 97552 99160 101010 103600 104118 104520 109200 112560 115440 118992 121940 123950 128908 130650 134680 138824 140700 144300 146328 148740 152425 153826 155400 161135 161616 168350 173530 174200 182910 185925 187600 192400 193362 198320 202020 208236 209040 225589 230739 243880 247900 252525 257816 260295 261300 269360 277648 281400 288600 292656 297480 304850 307652 310800 322270 336700 347060 348400 365820 371850 384565 386724 404040 416472 433825 451178 457275 461478 483405 487760 495800 505050 515632 520590 522600 538391 562800 577200 594960 609700 615304 644540 673400 676767 694120 731640 743700 769130 773448 805675 808080 832944 867650 902356 914550 922956 966810 991600 999869 1010100 1041180 1045200 1076782 1127945 1153695 1219400 1230608 1289080 1301475 1346800 1353534 1388240 1463280 1487400 1538260 1546896 1611350 1615173 1735300 1804712 1829100 1845912 1922825 1933620 1999738 2020200 2082360 2153564 2255890 2307390 2417025 2438800 2578160 2602950 2691955 2707068 2845781 2974800 2999607 3076520 3222700 3230346 3383835 3470600 3609424 3658200 3691824 3845650 3867240 3999476 4040400 4164720 4307128 4511780 4614780 4834050 4999345 5153171 5205900 5383910 5414136 5639725 5691562 5768475 5999214 6153040 6445400 6460692 6767670 6941200 6999083 7316400 7691300 7734480 7998952 8075865 8537343 8614256 9023560 9229560 9668100 9998690 10306342 10411800 10767820 10828272 11279450 11383124 11536950 11998428 12890800 12921384 13459775 13535340 13998166 14228905 14998035 15382600 15459513 15997904 16151730 16919175 17074686 18047120 18459120 19336200 19920467 19997380 20612684 20823600 20997249 21535640 22558900 22766248 23073900 23996856 24996725 25765855 25842768 26919550 27070680 27996332 28457810 29996070 30765200 30919026 32303460 33838350 34149372 34995415 36072197 36995153 38672400 39840934 39994760 40379325 41225368 41994498 42686715 43071280 45117800 45532496 46147800 47993712 49993450 51531710 53839100 54141360 55992664 56915620 59761401 59992140 61838052 64606920 66991223 67676700 68298744 69990830 71144525 72144394 73990306 74990175 77297565 79681868 79989520 80758650 82450736 83988996 85373430 90235600 92295600 99602335 99986900 103063420 104986245 107678200 108216591 110985459 111985328 113831240 119522802 119984280 123676104 128829275 129213840 133982446 135353400 136597488 139981660 142289050 144288788 147980612 149980350 154595130 159363736 161517300 167977992 170746860 174977075 180360985 184975765 190667327 199204670 199973800 200973669 206126840 209972490 213433575 215356400 216433182 221970918 227662480 239045604 239968560 247352208 257658550 258966071 267964892 270706800 279963320 284578100 288577576 295961224 298807005 299960700 309190260 318727472 323034600 334956115 335955984 341493720 349954150 360721970 369951530 381334654 386487825 398409340 399947600 401947338 412253680 419944980 426867150 432866364 443941836 468938561 478091208 498011675 515317100 517932142 524931225 535929784 541082955 554927295 559926640 569156200 572001981 577155152 591922448 597614010 599921400 618380520 646069200 669912230 682987440 699908300 721443940 739903060 762669308 772975650 776898213 796818680 803894676 839889960 853734300 865732728 887883672 901804925 924878825 937877122 953336635 956182416 996023350 1004868345 1030634200 1035864284 1049862450 1071859568 1082165910 1109854590 1138312400 1144003962 1195228020 1199842800 1236761040 1294830355 1334671289 1339824460 1399816600 1406815683 1442887880 1479806120 1494035025 1525338616 1545951300 1553796426 1593637360 1607789352 1674780575 1679779920 1707468600 1731465456 1775767344 1803609850 1849757650 1875754244 1906673270 1992046700 2009736690 2061268400 2071728568 2099724900 2164331820 2219709180 2288007924 2344692805 2390456040 2478675251 2589660710 2669342578 2679648920 2705414775 2774636475 2799633200 2813631366 2860009905 2885775760 2959612240 2988070050 3050677232 3091902600 3107592852 3215578704 3349561150 3414937200 3607219700 3699515300 3751508488 3813346540 3884491065 3984093400 4004013867 4019473380 4143457136 4199449800 4328663640 4439418360 4576015848 4689385610 4766683175 4780912080 4957350502 5024341725 5179321420 5338685156 5359297840 5410829550 5549272950 5627262732 5720019810 5976140100 6183805200 6215185704 6474151775 6673356445 6699122300 7034078415 7214439400 7399030600 7436025753 7503016976 7626693080 7768982130 7968186800 8008027734 8038946760 8398899600 8657327280 8878836720 9152031696 9378771220 9533366350 9914701004 10048683450 10358642840 10677370312 10821659100 11098545900 11254525464 11440039620 11723464025 11952280200 12393376255 12430371408 12948303550 13346712890 13398244600 14068156830 14300049525 14428878800 14798061200 14872051506 15253386160 15537964260 16016055468 16077893520 17350726757 18757542440 19066732700 19422455325 19829402008 20020069335 20097366900 20717285680 21354740624 21643318200 22197091800 22509050928 22880079240 23446928050 23904560400 24786752510 25896607100 26693425780 26796489200 28136313660 28600099050 29744103012 31075928520 32032110936 33366782225 34701453514 35170392075 37180128765 37515084880 38133465400 38844910650 39658804016 40040138670 40194733800 43286636400 44394183600 45760158480 46893856100 49573505020 51793214200 52052180271 53386851560 56272627320 57200198100 59488206024 61966881275 62151857040 64064221872 66733564450 69402907028 70340784150 74360257530 76266930800 77689821300 80080277340 80389467600 86753633785 93787712200 99147010040 100100346675 103586428400 104104360542 106773703120 112545254640 114400396200 118976412048 123933762550 133467128900 138805814056 140681568300 148720515060 155379642600 160160554680 173507267570 185900643825 187575424400 198294020080 200200693350 208208721084 228800792400 247867525100 260260901355 266934257800 277611628112 281363136600 297441030120 310759285200 320321109360 347014535140 371801287650 400401386700 416417442168 433768168925 495735050200 520521802710 533868515600 562726273200 594882060240 694029070280 743602575300 800802773400 832834884336 867536337850 991470100400 1041043605420 1301304506775 1388058140560 1487205150600 1601605546800 1735072675700 2082087210840 2602609013550 2974410301200 3470145351400 4164174421680 5205218027100 6940290702800 10410436054200 20820872108400
• Sum of all divisors σ(n): 85565621449728
• Sum of proper divisors (its aliquot sum) s(n): 64744749341328
• 20820872108400 is an abundant number, because the sum of its proper divisors (64744749341328) is greater than itself. Its abundance is 43923877232928

Bases of 20820872108400

• Binary: 100101110111110111100101011111001100101110000₂
• Hexadecimal: 0x12EFBCAF9970
• Base-36: 7DOZ5O9YO

Squares and roots of 20820872108400

• 20820872108400 squared (20820872108400²) is 433508715354349061350560000
• 20820872108400 cubed (20820872108400³) is 9026029520269681194111595138720704000000
• The square root of 20820872108400 is 4562989.3828936311
• The cube root of 20820872108400 is 27510.5731721787

Scales and comparisons

• 20,820,872,108,400 seconds is equal to 662,039 years, 17 weeks, 1 day, 1 hour, 40 minutes.
• To count from 1 to 20,820,872,108,400 would take you about one million, six hundred fifty-five thousand and ninety-eight 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 20820872108400 cubic inches would be around 2292.5 feet tall.

Recreational maths with 20820872108400

• 20820872108400 backwards is 00480127802802
• 20820872108400 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20820872108400's digits is 42
• More coming soon!