21009107396992

Names of 21009107396992

• Cardinal: 21009107396992 can be written as Twenty-one trillion, nine billion, one hundred seven million, three hundred ninety-six thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 2.1009107396992 × 10¹³

Factors of 21009107396992

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 13683

Divisors of 21009107396992

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 32 44 52 61 64 88 104 121 122 127 128 143 176 208 242 244 254 286 352 416 484 488 508 572 671 704 793 832 968 976 1016 1144 1342 1397 1408 1573 1586 1651 1664 1936 1952 2032 2288 2684 2794 3146 3172 3302 3872 3904 4064 4576 5368 5588 6292 6344 6604 7381 7744 7747 7808 8128 8723 9152 10736 11176 12584 12688 13208 13469 14762 15367 15488 15494 16256 17446 18161 18304 21472 22352 25168 25376 26416 26938 29524 30734 30988 34892 36322 42944 44704 50336 50752 52832 53876 59048 61468 61976 69784 72644 85217 85888 89408 95953 100672 100711 101504 105664 107752 118096 122936 123952 139568 145288 148159 170434 175097 178816 191906 199771 201344 201422 211328 215504 236192 245872 247904 279136 290576 296318 340868 350194 383812 399542 402844 431008 472384 491744 495808 558272 581152 592636 681736 700388 767624 799084 805688 821609 862016 937387 944768 983488 991616 1107821 1116544 1162304 1185272 1363472 1400776 1535248 1598168 1611376 1629749 1643218 1710563 1724032 1874774 1926067 1966976 2215642 2324608 2370544 2726944 2801552 3070496 3196336 3222752 3259498 3286436 3421126 3749548 3852134 4431284 4741088 5453888 5603104 6140992 6392672 6445504 6518996 6572872 6842252 7499096 7704268 8862568 9037699 9482176 10680917 10907776 11206208 12186031 12281984 12785344 12891008 13037992 13145744 13684504 14998192 15408536 17725136 18075398 18816193 18964352 21186737 21361834 22237319 22412416 24372062 25570688 26075984 26291488 27369008 29996384 30817072 35450272 36150796 37632386 42373474 42723668 44474638 48744124 52151968 52582976 54738016 59992768 61634144 70900544 72301592 75264772 84746948 85447336 88949276 97488248 99414689 104303936 104344343 105165952 109476032 117490087 119985536 123268288 141801088 144603184 150529544 169493896 170894672 177898552 194976496 198829378 206978123 208607872 208688686 218952064 234980174 244610509 246536576 289206368 301059088 338987792 341789344 355797104 389952992 397658756 413956246 417377372 469960348 489221018 578412736 602118176 677975584 683578688 711594208 779905984 795317512 827912492 834754744 939920696 978442036 1147787773 1156825472 1204236352 1292390957 1355951168 1356476459 1367157376 1423188416 1559811968 1590635024 1655824984 1669509488 1879841392 1956884072 2295575546 2408472704 2584781914 2690715599 2711902336 2712952918 2846376832 3181270048 3311649968 3339018976 3759682784 3913768144 4591151092 5169563828 5381431198 5425905836 6362540096 6623299936 6678037952 7519365568 7827536288 9182302184 10339127656 10762862396 10851811672 12625665503 12725080192 13246599872 13356075904 14921241049 15038731136 15655072576 18364604368 20678255312 21525724792 21703623344 25251331006 26493199744 29842482098 31310145152 36729208736 41356510624 43051449584 43407246688 50502662012 59684964196 73458417472 82713021248 86102899168 86814493376 101005324024 119369928392 146916834944 164133651539 165426042496 172205798336 173628986752 202010648048 238739856784 328267303078 344411596672 404021296096 477479713568 656534606156 808042592192 954959427136 1313069212312 1616085184384 1909918854272 2626138424624 5252276849248 10504553698496 21009107396992
• Sum of all divisors σ(n): 50756201395200
• Sum of proper divisors (its aliquot sum) s(n): 29747093998208
• 21009107396992 is an abundant number, because the sum of its proper divisors (29747093998208) is greater than itself. Its abundance is 8737986601216

Bases of 21009107396992

• Binary: 100110001101110010000011000100010100110000000₂
• Hexadecimal: 0x131B90622980
• Base-36: 7G3G83S74

Squares and roots of 21009107396992

• 21009107396992 squared (21009107396992²) is 441382593618343969890648064
• 21009107396992 cubed (21009107396992³) is 9273054312490664231971012770747004223488
• The square root of 21009107396992 is 4583569.2857195909
• The cube root of 21009107396992 is 27593.2295394097

Scales and comparisons

• 21,009,107,396,992 seconds is equal to 668,024 years, 32 weeks, 5 days, 5 hours, 49 minutes, 52 seconds.
• To count from 1 to 21,009,107,396,992 would take you about one million, six hundred seventy thousand and sixty-one 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 21009107396992 cubic inches would be around 2299.4 feet tall.

Recreational maths with 21009107396992

• 21009107396992 backwards is 29969370190012
• The number of decimal digits it has is: 14
• The sum of 21009107396992's digits is 58
• More coming soon!