640748237348349

Names of 640748237348349

• Cardinal: 640748237348349 can be written as Six hundred forty trillion, seven hundred forty-eight billion, two hundred thirty-seven million, three hundred forty-eight thousand, three hundred forty-nine.

Scientific notation

• Scientific notation: 6.40748237348349 × 10¹⁴

Factors of 640748237348349

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 423

Divisors of 640748237348349

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 9 13 17 27 31 39 51 81 93 117 153 221 279 289 351 359 403 459 527 663 837 867 961 1053 1077 1209 1377 1581 1989 2511 2601 2883 3231 3627 3757 4667 4743 4913 5967 6103 6851 7803 8649 8959 9693 10881 11129 11271 12493 14001 14229 14739 16337 17901 18309 20553 23409 25947 26877 29079 32643 33387 33813 37479 42003 42687 44217 49011 54927 61659 63869 77841 79339 80631 100161 101439 103751 112437 116467 126009 128881 132651 144677 147033 152303 164781 184977 189193 191607 212381 238017 241893 277729 300483 304317 311253 337311 344999 349401 378027 386643 397953 434031 441099 456909 494343 554931 567579 574821 637143 714051 725679 833187 901449 933759 1011933 1034997 1048203 1159929 1302093 1323297 1348763 1370727 1675453 1702737 1724463 1763767 1911429 1979939 2142153 2190977 2459509 2499561 2801277 3104991 3144609 3216281 3479787 3610477 3906279 3995311 4046289 4112181 4484987 4721393 5026359 5108211 5173389 5291301 5734287 5864983 5939817 6426459 6572931 7378527 7498683 8403831 9314973 9433827 9648843 10439361 10831431 11718837 11985933 12138867 12336543 13454961 14164179 15079077 15324633 15873903 17202861 17594949 17819451 19718793 22135581 22496049 22928971 27944919 28482701 28946529 32494293 35957799 36416601 37246609 40364883 41811653 42492537 45237231 47621709 51939043 52784847 53458353 54676777 59156379 61378109 66406743 67920287 68786913 76244779 85448103 86839587 97482879 99704711 107873397 109249803 111739827 121094649 123854641 125434959 127477611 135711693 142865127 155817129 158354541 160375059 164030331 177469137 184134327 199220229 203760861 206360739 228734337 256344309 260518761 292448637 299114133 323620191 335219481 363283947 371563923 376304877 382432833 467451387 475063623 484205917 492090993 552402981 611282583 619082217 633192353 686203011 710798101 769032927 882963731 897342399 1005658443 1114691769 1128914631 1154644879 1296161243 1402354161 1452617751 1476272979 1610110333 1657208943 1694980087 1833847749 1857246651 1899577059 2058609033 2105528897 2132394303 2307098781 2648891193 2692027197 3016975329 3344075307 3386743893 3463934637 3888483729 4207062483 4357853253 4428818937 4830330999 4971626829 5084940261 5501543247 5698731177 6175827099 6316586691 6397182909 7946673579 8076081591 8231500589 10032225921 10391803911 11665451187 13073559759 14490992997 15010383427 15254820783 17096193531 18949760073 19191548727 19628962943 22034741131 23840020737 24694501767 27371875661 31175411733 34996353561 35793991249 39220679277 43472978991 45031150281 45764462349 51288580593 56849280219 57574646181 58886888829 66104223393 71520062211 74083505301 82115626983 93526235199 104989060683 107381973747 130418936973 135093450843 137293387047 170547840657 176660666487 198312670179 222250515903 246346880949 255176518259 322145921241 405280352529 465321886237 529981999461 594938010537 608497851233 666751547709 739040642847 765529554777 966437763723 1215841057587 1395965658711 1589945998383 1784814031611 1825493553699 2217121928541 2296588664331 2899313291169 4187896976133 5476480661097 6889765992993 7910472066029 12563690928399 16429441983291 20669297978979 23731416198087 37691072785197 49288325949873 71194248594261 213582745782783 640748237348349
• Sum of all divisors σ(n): 1134836948238840
• Sum of proper divisors (its aliquot sum) s(n): 494088710890491
• 640748237348349 is a deficient number, because the sum of its proper divisors (494088710890491) is less than itself. Its deficiency is 146659526457858

Bases of 640748237348349

• Binary: 10010001101100000111010011000100111101110111111101₂
• Hexadecimal: 0x246C1D313DDFD
• Base-36: 6B4JOCVYT9

Squares and roots of 640748237348349

• 640748237348349 squared (640748237348349²) is 410558303665016184342773025801
• 640748237348349 cubed (640748237348349³) is 263064509402087333217503542772766903601752549
• The square root of 640748237348349 is 25313005.3006028701
• The cube root of 640748237348349 is 86210.9584489559

Scales and comparisons

• 640,748,237,348,349 seconds is equal to 20,373,811 years, 51 weeks, 21 hours, 39 minutes, 9 seconds.
• To count from 1 to 640,748,237,348,349 would take you about fifty million, nine hundred thirty-four thousand, five hundred twenty-nine 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 640748237348349 cubic inches would be around 7184.2 feet tall.

Recreational maths with 640748237348349

• 640748237348349 backwards is 943843732847046
• The number of decimal digits it has is: 15
• The sum of 640748237348349's digits is 72
• More coming soon!