21645426335008

Names of 21645426335008

• Cardinal: 21645426335008 can be written as Twenty-one trillion, six hundred forty-five billion, four hundred twenty-six million, three hundred thirty-five thousand and eight.

Scientific notation

• Scientific notation: 2.1645426335008 × 10¹³

Factors of 21645426335008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1259

Divisors of 21645426335008

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 7 8 14 16 28 29 32 49 56 58 71 89 98 112 116 142 178 196 203 224 232 284 356 392 406 464 497 568 623 712 784 812 928 994 1061 1136 1246 1421 1424 1568 1624 1988 2059 2122 2272 2492 2581 2842 2848 3248 3479 3976 4118 4244 4361 4984 5041 5162 5684 6319 6496 6958 7427 7952 8236 8488 8722 9968 10082 10324 11368 12638 13916 14413 14854 15904 16472 16976 17444 18067 19936 20164 20648 22736 25276 27832 28826 29708 30769 32944 33952 34888 35287 36134 40328 41296 44233 45472 50552 51989 55664 57652 59416 61538 65888 69776 70574 72268 75331 80656 82592 88466 94429 100891 101104 103978 111328 115304 118832 123076 126469 139552 141148 144536 146189 150662 161312 176932 183251 188858 201782 202208 207956 215383 230608 237664 246152 247009 252938 282296 289072 292378 301324 309631 353864 366502 377716 403564 415912 430766 448649 461216 492304 494018 505876 527317 564592 578144 584756 602648 619262 661003 707728 733004 755432 807128 831824 861532 897298 984608 988036 1011752 1023323 1054634 1129184 1169512 1205296 1238524 1282757 1322006 1415456 1466008 1507681 1510864 1614256 1663648 1723064 1794596 1976072 2023504 2046646 2109268 2184599 2339024 2410592 2477048 2565514 2644012 2738441 2932016 3015362 3021728 3140543 3228512 3446128 3589192 3691219 3952144 4047008 4093292 4218536 4369198 4627021 4678048 4954096 5131028 5288024 5348501 5476882 5864032 6030724 6281086 6704459 6892256 7163261 7178384 7382438 7904288 8186584 8437072 8738396 8979299 9254042 9908192 10262056 10576048 10697002 10953764 12061448 12562172 13010821 13408918 14326522 14356768 14764876 15292193 16373168 16874144 17476792 17958598 18508084 19169087 20524112 21152096 21394004 21907528 21983801 24122896 25124344 26021642 26817836 28653044 29529752 30584386 32746336 34953584 35917196 37016168 37439507 38338174 41048224 42788008 43815056 43967602 46931213 48245792 50248688 52043284 53635672 57306088 59059504 61168772 69907168 71834392 74032336 74879014 76676348 85576016 87630112 87935204 91075747 93862426 100497376 104086568 107045351 107271344 114612176 118119008 122337544 134183609 143668784 148064672 149758028 153352696 155106529 171152032 175870408 182151494 187724852 194429311 208173136 214090702 214542688 229224352 244675088 262076549 268367218 287337568 299516056 306705392 310213058 328518491 351740816 364302988 375449704 388858622 416346272 428181404 476016589 489350176 524153098 536734436 599032112 613410784 620426116 637530229 657036982 703481632 728605976 750899408 777717244 856362808 952033178 1048306196 1073468872 1085745703 1198064224 1240852232 1275060458 1314073964 1361005177 1457211952 1501798816 1555434488 1712725616 1904066356 2096612392 2146937744 2171491406 2481704464 2550120916 2628147928 2722010354 2914423904 3110868976 3332116123 3425451232 3808132712 4193224784 4293875488 4342982812 4963408928 5100241832 5256295856 5444020708 6221737952 6664232246 7600219921 7616265424 8386449568 8685965624 9527036239 10200483664 10512591712 10888041416 13328464492 13804481081 15200439842 15232530848 17371931248 19054072478 20400967328 21776082832 23324812861 26656928984 27608962162 30400879684 34743862496 38108144956 43552165664 46649625722 53313857968 55217924324 60801759368 76216289912 93299251444 96631367567 106627715936 110435848648 121603518736 152432579824 186598502888 193262735134 220871697296 243207037472 304865159648 373197005776 386525470268 441743394592 676419572969 746394011552 773050940536 1352839145938 1546101881072 2705678291876 3092203762144 5411356583752 10822713167504 21645426335008
• Sum of all divisors σ(n): 52647709174200
• Sum of proper divisors (its aliquot sum) s(n): 31002282839192
• 21645426335008 is an abundant number, because the sum of its proper divisors (31002282839192) is greater than itself. Its abundance is 9356856504184

Bases of 21645426335008

• Binary: 100111010111110110111111100101001110100100000₂
• Hexadecimal: 0x13AFB7F29D20
• Base-36: 7O7RRYZ34

Squares and roots of 21645426335008

• 21645426335008 squared (21645426335008²) is 468524481224257859046360064
• 21645426335008 cubed (21645426335008³) is 10141412144487512298882594178070256320512
• The square root of 21645426335008 is 4652464.5441967637
• The cube root of 21645426335008 is 27869.0425137765

Scales and comparisons

• 21,645,426,335,008 seconds is equal to 688,257 years, 31 weeks, 2 days, 18 hours, 23 minutes, 28 seconds.
• To count from 1 to 21,645,426,335,008 would take you about one million, seven hundred twenty thousand, six hundred forty-four 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 21645426335008 cubic inches would be around 2322.4 feet tall.

Recreational maths with 21645426335008

• 21645426335008 backwards is 80053362454612
• 21645426335008 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21645426335008's digits is 49
• More coming soon!