21678567900912

Names of 21678567900912

• Cardinal: 21678567900912 can be written as Twenty-one trillion, six hundred seventy-eight billion, five hundred sixty-seven million, nine hundred thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 2.1678567900912 × 10¹³

Factors of 21678567900912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 2926

Divisors of 21678567900912

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 81 104 108 117 131 144 156 162 208 216 234 243 262 312 324 351 393 432 468 486 524 624 648 702 729 786 936 972 1048 1053 1179 1296 1404 1458 1572 1703 1872 1944 2096 2106 2187 2358 2777 2808 2916 3144 3159 3406 3537 3888 4212 4374 4716 5109 5554 5616 5832 6288 6318 6812 7074 8331 8424 8748 9432 9477 10218 10611 11108 11664 12636 13624 14148 15327 16662 16848 17161 17496 18864 18954 20436 21222 22216 24993 25272 27248 28296 28431 30654 31833 33324 34322 34992 36101 37908 40872 42444 44432 45981 49986 50544 51483 56592 56862 61308 63666 66648 68644 72202 74979 75816 81744 84888 91962 95499 99972 102966 108303 113724 122616 127332 133296 137288 137943 144404 149958 151632 154449 169776 183924 190998 199944 205932 216606 223093 224937 227448 245232 254664 274576 275886 286497 288808 299916 308898 324909 363787 367848 381996 399888 411864 413829 433212 446186 449874 454896 463347 509328 551772 572994 577616 599832 617796 649818 669279 674811 727574 735696 763992 823728 827658 866424 892372 899748 926694 974727 1091361 1103544 1145988 1199664 1235592 1241487 1299636 1338558 1349622 1390041 1455148 1527984 1655316 1732848 1784744 1799496 1853388 1949454 2007837 2024433 2182722 2207088 2291976 2471184 2482974 2599272 2677116 2699244 2780082 2910296 2924181 3274083 3310632 3569488 3598992 3706776 3724461 3898908 4015674 4048866 4170123 4365444 4583952 4729231 4965948 5198544 5354232 5398488 5560164 5820592 5848362 6023511 6073299 6548166 6621264 7413552 7448922 7797816 8031348 8097732 8340246 8730888 8772543 9458462 9822249 9931896 10708464 10796976 11120328 11696724 12047022 12146598 12510369 13096332 14187693 14897844 15595632 16062696 16195464 16680492 17461776 17545086 18070533 18916924 19644498 19863792 22240656 23393448 24094044 24293196 25020738 26192664 26317629 28375386 29466747 29795688 32125392 32390928 33360984 35090172 36141066 37531107 37833848 39288996 42563079 46786896 47656097 48188088 48586392 50041476 52385328 52635258 54211599 56750772 58933494 59591376 66721968 70180344 72282132 75062214 75667696 78577992 78952887 85126158 88400241 95312194 96376176 97172784 100082952 105270516 108423198 113501544 117866988 127689237 140360688 142968291 144564264 150124428 157155984 157905774 162634797 170252316 176800482 190624388 200165904 210541032 216846396 227003088 235733976 255378474 265200723 285936582 289128528 300248856 315811548 325269594 340504632 353600964 381248776 383067711 421082064 428904873 433692792 471467952 487904391 510756948 530401446 571873164 600497712 619529261 631623096 650539188 681009264 707201928 762497552 766135422 795602169 857809746 867385584 975808782 1021513896 1060802892 1143746328 1149203133 1239058522 1263246192 1286714619 1301078376 1414403856 1532270844 1591204338 1715619492 1858587783 1951617564 2043027792 2121605784 2287492656 2298406266 2478117044 2573429238 2602156752 3064541688 3182408676 3431238984 3447609399 3717175566 3860143857 3903235128 4243211568 4596812532 4956234088 5146858476 5575763349 6129083376 6364817352 6862477968 6895218798 7434351132 7720287714 7806470256 9193625064 9912468176 10293716952 10342828197 11151526698 11580431571 12729634704 13790437596 14868702264 15440575428 16727290047 18387250128 20587433904 20685656394 22303053396 23160863142 27580875192 29737404528 30881150856 33454580094 34741294713 41371312788 44606106792 46321726284 50181870141 55161750384 61762301712 66909160188 69482589426 82742625576 89212213584 92643452568 100363740282 104223884139 133818320376 138965178852 150545610423 165485251152 185286905136 200727480564 208447768278 267636640752 277930357704 301091220846 401454961128 416895536556 451636831269 555860715408 602182441692 802909922256 833791073112 903273662538 1204364883384 1354910493807 1667582146224 1806547325076 2408729766768 2709820987614 3613094650152 5419641975228 7226189300304 10839283950456 21678567900912
• Sum of all divisors σ(n): 68385835318080
• Sum of proper divisors (its aliquot sum) s(n): 46707267417168
• 21678567900912 is an abundant number, because the sum of its proper divisors (46707267417168) is greater than itself. Its abundance is 25028699516256

Bases of 21678567900912

• Binary: 100111011011101101111010101101100011011110000₂
• Hexadecimal: 0x13B76F56C6F0
• Base-36: 7OMZVLR00

Squares and roots of 21678567900912

• 21678567900912 squared (21678567900912²) is 469960306234452117850431744
• 21678567900912 cubed (21678567900912³) is 10188066409436967355405206938099011350528
• The square root of 21678567900912 is 4656024.9033818537
• The cube root of 21678567900912 is 27883.2587998573

Scales and comparisons

• 21,678,567,900,912 seconds is equal to 689,311 years, 20 weeks, 6 days, 16 hours, 55 minutes, 12 seconds.
• To count from 1 to 21,678,567,900,912 would take you about one million, seven hundred twenty-three thousand, two hundred seventy-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 21678567900912 cubic inches would be around 2323.6 feet tall.

Recreational maths with 21678567900912

• 21678567900912 backwards is 21900976587612
• The number of decimal digits it has is: 14
• The sum of 21678567900912's digits is 63
• More coming soon!