21029752808640

Names of 21029752808640

• Cardinal: 21029752808640 can be written as Twenty-one trillion, twenty-nine billion, seven hundred fifty-two million, eight hundred eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.102975280864 × 10¹³

Factors of 21029752808640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4185

Divisors of 21029752808640

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 47 48 60 64 72 80 90 94 96 120 141 144 160 180 188 192 235 240 282 288 320 360 376 423 470 480 564 576 705 720 752 846 940 960 1087 1128 1410 1440 1504 1692 1880 2115 2174 2209 2256 2820 2880 3008 3041 3261 3384 3760 4230 4348 4418 4512 5435 5640 6082 6522 6627 6768 7520 8460 8696 8836 9024 9123 9783 10870 11045 11280 12164 13044 13254 13536 15040 15205 16305 16920 17392 17672 18246 19566 19881 21740 22090 22560 24328 26088 26508 27072 27369 30410 32610 33135 33840 34784 35344 36492 39132 39762 43480 44180 45120 45615 48656 48915 51089 52176 53016 54738 60820 65220 66270 67680 69568 70688 72984 78264 79524 86960 88360 91230 97312 97830 99405 102178 104352 106032 109476 121640 130440 132540 135360 136845 141376 142927 145968 153267 156528 159048 173920 176720 182460 194624 195660 198810 204356 208704 212064 218952 243280 255445 260880 265080 273690 285854 291936 306534 313056 318096 347840 353440 364920 391320 397620 408712 424128 428781 437904 459801 486560 510890 521760 530160 547380 571708 583872 613068 626112 636192 706880 714635 729840 766335 782640 795240 817424 857562 875808 919602 973120 1021780 1043520 1060320 1094760 1143416 1226136 1272384 1286343 1429270 1459680 1532670 1565280 1590480 1634848 1715124 1751616 1839204 2043560 2120640 2143905 2189520 2286832 2299005 2401183 2452272 2572686 2858540 2919360 3065340 3130560 3180960 3269696 3305567 3430248 3678408 4087120 4287810 4379040 4573664 4598010 4802366 4904544 5145372 5717080 6130680 6361920 6431715 6611134 6717569 6860496 7203549 7356816 8174240 8575620 8758080 9147328 9196020 9604732 9809088 9916701 10290744 11434160 12005915 12261360 12863430 13222268 13435138 13720992 14407098 14713632 16348480 16527835 17151240 18392040 19209464 19833402 20152707 20581488 21610647 22868320 24011830 24522720 25726860 26444536 26870276 27441984 28814196 29427264 29750103 33055670 33587845 34302480 36017745 36784080 38418928 39666804 40305414 41162976 43221294 45736640 48023660 49045440 49583505 51453720 52889072 53740552 57628392 59500206 60458121 66111340 67175690 68604960 72035490 73568160 76837856 79333608 80610828 82325952 86442588 96047320 99167010 100763535 102907440 105778144 107481104 108053235 115256784 119000412 120916242 132222680 134351380 137209920 144070980 147136320 148750515 153675712 155361649 158667216 161221656 172885176 192094640 198334020 201527070 205814880 211556288 214962208 216106470 230513568 238000824 241832484 264445360 268702760 288141960 297501030 302290605 310723298 317334432 322443312 345770352 384189280 396668040 403054140 411629760 429924416 432212940 461027136 466084947 476001648 483664968 528890720 537405520 576283920 595002060 604581210 621446596 634668864 644886624 691540704 768378560 776808245 793336080 806108280 864425880 932169894 952003296 967329936 1057781440 1074811040 1152567840 1190004120 1209162420 1242893192 1289773248 1383081408 1398254841 1553616490 1586672160 1612216560 1728851760 1864339788 1904006592 1934659872 2149622080 2305135680 2330424735 2380008240 2418324840 2485786384 2796509682 3107232980 3173344320 3224433120 3457703520 3728679576 3869319744 4660849470 4760016480 4836649680 4971572768 5593019364 6214465960 6448866240 6915407040 6991274205 7301997503 7457359152 9321698940 9520032960 9673299360 9943145536 11186038728 12428931920 13982548410 14603995006 14914718304 18643397880 19346598720 21905992509 22372077456 24857863840 27965096820 29207990012 29829436608 36509987515 37286795760 43811985018 44744154912 49715727680 55930193640 58415980024 65717977527 73019975030 74573591520 87623970036 89488309824 109529962545 111860387280 116831960048 131435955054 146039950060 149147183040 175247940072 219059925090 223720774560 233663920096 262871910108 292079900120 328589887635 350495880144 438119850180 447441549120 467327840192 525743820216 584159800240 657179775270 700991760288 876239700360 1051487640432 1168319600480 1314359550540 1401983520576 1752479400720 2102975280864 2336639200960 2628719101080 3504958801440 4205950561728 5257438202160 7009917602880 10514876404320 21029752808640
• Sum of all divisors σ(n): 73997660236032
• Sum of proper divisors (its aliquot sum) s(n): 52967907427392
• 21029752808640 is an abundant number, because the sum of its proper divisors (52967907427392) is greater than itself. Its abundance is 31938154618752

Bases of 21029752808640

• Binary: 100110010000001011110111100100010010011000000₂
• Hexadecimal: 0x13205EF224C0
• Base-36: 7GCXNULS0

Squares and roots of 21029752808640

• 21029752808640 squared (21029752808640²) is 442250503192501968458649600
• 21029752808640 cubed (21029752808640³) is 9300418761634971557782015117301612544000
• The square root of 21029752808640 is 4585820.8434957421
• The cube root of 21029752808640 is 27602.2650982851

Scales and comparisons

• 21,029,752,808,640 seconds is equal to 668,681 years, 4 weeks, 4 days, 18 hours, 24 minutes.
• To count from 1 to 21,029,752,808,640 would take you about one million, six hundred seventy-one thousand, seven hundred two 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 21029752808640 cubic inches would be around 2300.2 feet tall.

Recreational maths with 21029752808640

• 21029752808640 backwards is 04680825792012
• The number of decimal digits it has is: 14
• The sum of 21029752808640's digits is 54
• More coming soon!