21007813312512

Names of 21007813312512

• Cardinal: 21007813312512 can be written as Twenty-one trillion, seven billion, eight hundred thirteen million, three hundred twelve thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1007813312512 × 10¹³

Factors of 21007813312512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 28
• Sum of prime factors: 144

Divisors of 21007813312512

• Number of divisors d(n): 828
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 37 39 48 52 64 72 74 78 89 96 104 111 117 128 144 148 156 169 178 192 208 222 234 256 267 288 296 312 333 338 356 384 416 444 468 481 507 512 534 576 592 624 666 676 712 768 801 832 888 936 962 1014 1024 1068 1152 1157 1184 1248 1332 1352 1424 1443 1521 1536 1602 1664 1776 1872 1924 2028 2048 2136 2304 2314 2368 2496 2664 2704 2848 2886 3042 3072 3204 3293 3328 3471 3552 3744 3848 4056 4096 4272 4329 4608 4628 4736 4992 5328 5408 5696 5772 6084 6144 6253 6408 6586 6656 6942 7104 7488 7696 8112 8192 8544 8658 9216 9256 9472 9879 9984 10413 10656 10816 11392 11544 12168 12288 12506 12816 13172 13312 13884 14208 14976 15041 15392 16224 16384 17088 17316 18432 18512 18759 18944 19758 19968 20826 21312 21632 22784 23088 24336 24576 25012 25632 26344 26624 27768 28416 29637 29952 30082 30784 32448 32768 34176 34632 36864 37024 37518 37888 39516 39936 41652 42624 42809 43264 45123 45568 46176 48672 49152 50024 51264 52688 53248 55536 56277 56832 59274 59904 60164 61568 64896 65536 68352 69264 73728 74048 75036 75776 79032 79872 83304 85248 85618 86528 90246 91136 92352 97344 98304 100048 102528 105376 106496 111072 112554 113664 118548 119808 120328 123136 128427 129792 131072 135369 136704 138528 147456 148096 150072 151552 158064 159744 166608 170496 171236 173056 180492 182272 184704 194688 196608 200096 205056 210752 212992 222144 225108 227328 237096 239616 240656 246272 256854 259584 262144 270738 273408 277056 294912 296192 300144 303104 316128 319488 333216 340992 342472 346112 360984 364544 369408 385281 389376 393216 400192 410112 421504 425984 444288 450216 454656 474192 479232 481312 492544 513708 519168 524288 541476 546816 554112 556517 589824 592384 600288 606208 632256 638976 666432 681984 684944 692224 721968 729088 738816 770562 778752 786432 800384 820224 843008 851968 888576 900432 909312 948384 958464 962624 985088 1027416 1038336 1048576 1082952 1093632 1108224 1113034 1179648 1184768 1200576 1212416 1264512 1277952 1332864 1363968 1369888 1384448 1443936 1458176 1477632 1541124 1557504 1572864 1600768 1640448 1669551 1686016 1703936 1777152 1800864 1818624 1896768 1916928 1925248 1970176 2054832 2076672 2097152 2165904 2187264 2216448 2226068 2359296 2369536 2401152 2424832 2529024 2555904 2665728 2727936 2739776 2768896 2887872 2916352 2955264 3082248 3115008 3145728 3201536 3280896 3339102 3372032 3407872 3554304 3601728 3637248 3793536 3833856 3850496 3940352 4109664 4153344 4194304 4331808 4374528 4432896 4452136 4718592 4739072 4802304 4849664 5008653 5058048 5111808 5331456 5455872 5479552 5537792 5775744 5832704 5910528 6164496 6230016 6291456 6403072 6561792 6678204 6744064 6815744 7108608 7203456 7274496 7587072 7667712 7700992 7880704 8219328 8306688 8663616 8749056 8865792 8904272 9437184 9478144 9604608 9699328 10017306 10116096 10223616 10662912 10911744 10959104 11075584 11551488 11665408 11821056 12328992 12460032 12582912 12806144 13123584 13356408 13488128 13631488 14217216 14406912 14548992 15174144 15335424 15401984 15761408 16438656 16613376 17327232 17498112 17731584 17808544 18874368 18956288 19209216 19398656 20034612 20232192 20447232 21325824 21823488 21918208 22151168 23102976 23330816 23642112 24657984 24920064 25612288 26247168 26712816 26976256 27262976 28434432 28813824 29097984 30348288 30670848 30803968 31522816 32877312 33226752 34654464 34996224 35463168 35617088 37748736 37912576 38418432 38797312 40069224 40464384 40894464 42651648 43646976 43836416 44302336 46205952 46661632 47284224 49315968 49840128 51224576 52494336 53425632 53952512 54525952 56868864 57627648 58195968 60696576 61341696 61607936 63045632 65754624 66453504 69308928 69992448 70926336 71234176 75825152 76836864 77594624 80138448 80928768 81788928 85303296 87293952 87672832 88604672 92411904 93323264 94568448 98631936 99680256 102449152 104988672 106851264 107905024 113737728 115255296 116391936 121393152 122683392 123215872 126091264 131509248 132907008 138617856 139984896 141852672 142468352 151650304 153673728 155189248 160276896 161857536 163577856 170606592 174587904 175345664 177209344 184823808 186646528 189136896 197263872 199360512 204898304 209977344 213702528 215810048 227475456 230510592 232783872 242786304 245366784 246431744 252182528 263018496 265814016 277235712 279969792 283705344 284936704 303300608 307347456 320553792 323715072 341213184 349175808 350691328 354418688 369647616 373293056 378273792 394527744 398721024 409796608 419954688 427405056 431620096 454950912 461021184 465567744 485572608 490733568 492863488 504365056 526036992 531628032 554471424 559939584 567410688 569873408 606601216 614694912 641107584 647430144 682426368 698351616 701382656 708837376 739295232 756547584 789055488 797442048 819593216 839909376 854810112 863240192 909901824 922042368 971145216 985726976 1008730112 1052073984 1063256064 1108942848 1119879168 1134821376 1139746816 1213202432 1229389824 1282215168 1294860288 1364852736 1396703232 1402765312 1478590464 1513095168 1578110976 1594884096 1639186432 1679818752 1709620224 1726480384 1819803648 1844084736 1942290432 1971453952 2017460224 2104147968 2126512128 2217885696 2269642752 2279493632 2426404864 2458779648 2564430336 2589720576 2729705472 2805530624 2957180928 3026190336 3156221952 3189768192 3278372864 3359637504 3419240448 3452960768 3639607296 3688169472 3884580864 3942907904 4208295936 4435771392 4539285504 4558987264 4852809728 4917559296 5128860672 5179441152 5459410944 5611061248 5914361856 6052380672 6312443904 6379536384 6556745728 6838480896 6905921536 7279214592 7376338944 7769161728 7885815808 8416591872 8871542784 9078571008 9117974528 9835118592 10257721344 10358882304 10918821888 11222122496 11828723712 12624887808 13113491456 13676961792 13811843072 14558429184 14752677888 15538323456 15771631616 16833183744 17743085568 18157142016 18235949056 19670237184 20515442688 20717764608 21837643776 22444244992 23657447424 25249775616 26226982912 27353923584 29505355776 31076646912 31543263232 33666367488 35486171136 36471898112 39340474368 41030885376 41435529216 43675287552 44888489984 47314894848 50499551232 54707847168 59010711552 62153293824 63086526464 67332734976 70972342272 72943796224 78680948736 82061770752 89776979968 94629789696 100999102464 109415694336 118021423104 124306587648 134665469952 141944684544 145887592448 164123541504 179553959936 189259579392 201998204928 218831388672 236042846208 269330939904 283889369088 291775184896 328247083008 403996409856 437662777344 538661879808 567778738176 583550369792 656494166016 807992819712 875325554688 1167100739584 1312988332032 1615985639424 1750651109376 2334201479168 2625976664064 3501302218752 5251953328128 7002604437504 10503906656256 21007813312512
• Sum of all divisors σ(n): 68251216501260
• Sum of proper divisors (its aliquot sum) s(n): 47243403188748
• 21007813312512 is an abundant number, because the sum of its proper divisors (47243403188748) is greater than itself. Its abundance is 26235589876236

Bases of 21007813312512

• Binary: 100110001101101000011010000000000000000000000₂
• Hexadecimal: 0x131B43400000
• Base-36: 7G2UTN280

Squares and roots of 21007813312512

• 21007813312512 squared (21007813312512²) is 441328220173356410175750144
• 21007813312512 cubed (21007813312512³) is 9271340858945063790139414616719101001728
• The square root of 21007813312512 is 4583428.1179606167
• The cube root of 21007813312512 is 27592.6629803039

Scales and comparisons

• 21,007,813,312,512 seconds is equal to 667,983 years, 25 weeks, 9 hours, 55 minutes, 12 seconds.
• To count from 1 to 21,007,813,312,512 would take you about one million, six hundred sixty-nine thousand, nine hundred fifty-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 21007813312512 cubic inches would be around 2299.4 feet tall.

Recreational maths with 21007813312512

• 21007813312512 backwards is 21521331870012
• 21007813312512 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21007813312512's digits is 36
• More coming soon!