640342928572732

Names of 640342928572732

• Cardinal: 640342928572732 can be written as Six hundred forty trillion, three hundred forty-two billion, nine hundred twenty-eight million, five hundred seventy-two thousand, seven hundred thirty-two.

Scientific notation

• Scientific notation: 6.40342928572732 × 10¹⁴

Factors of 640342928572732

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 15510

Divisors of 640342928572732

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 11 14 22 28 44 77 149 154 298 308 443 596 886 1043 1639 1772 2086 2551 3101 3278 4172 4873 5102 6202 6556 9746 10204 11473 12347 12404 17857 19492 22946 24694 28061 34111 35714 45892 49388 56122 66007 68222 71428 86429 112244 132014 135817 136444 172858 196427 264028 271634 345716 380099 392854 462049 543268 726077 760198 785708 924098 950719 1130093 1452154 1520396 1839703 1848196 1901438 2260186 2660693 2904308 3679406 3802876 4181089 4520372 5082539 5321386 5469721 7358812 7910651 8362178 10165078 10642772 10939442 12431023 12877921 15821302 16724356 20236733 20330156 21878884 24862046 25755842 29267623 31497197 31642604 38288047 40473466 49724092 51511684 58535246 60166931 62994394 76576094 80946932 87017161 117070492 120333862 125988788 141657131 153152188 168383857 174034322 220480379 240667724 283314262 336767714 346469167 348068644 421168517 440960758 566628524 673535428 692938334 814988429 842337034 881921516 1178686999 1385876668 1629976858 1684674068 1852222427 2357373998 2425284169 3259953716 3704444854 4693082353 4714747996 4850568338 5704919003 7408889708 8964872719 9386164706 9701136676 11409838006 12965556989 13953258271 17929745438 18772329412 22819676012 25931113978 27906516542 32851576471 35859490876 51623905883 51862227956 55813033084 62754109033 65703152942 97672807897 103247811766 125508218066 131406305884 153485840981 195345615794 206495623532 251016436132 306971681962 361367341181 390691231588 613943363924 722734682362 1074400886867 1445469364724 2079035482379 2148801773734 4158070964758 4297603547468 8316141929516 14553248376653 22869390306169 29106496753306 45738780612338 58212993506612 91477561224676 160085732143183 320171464286366 640342928572732
• Sum of all divisors σ(n): 1410330158899200
• Sum of proper divisors (its aliquot sum) s(n): 769987230326468
• 640342928572732 is an abundant number, because the sum of its proper divisors (769987230326468) is greater than itself. Its abundance is 129644301753736

Bases of 640342928572732

• Binary: 10010001100110001101110100110010101100000100111100₂
• Hexadecimal: 0x2466374CAC13C
• Base-36: 6AZDHAIA0S

Squares and roots of 640342928572732

• 640342928572732 squared (640342928572732²) is 410039066173102956006613943824
• 640342928572732 cubed (640342928572732³) is 262565616462512996142183962353467693946207168
• The square root of 640342928572732 is 25304998.0946992367
• The cube root of 640342928572732 is 86192.7768782219

Scales and comparisons

• 640,342,928,572,732 seconds is equal to 20,360,924 years, 21 weeks, 5 days, 2 hours, 38 minutes, 52 seconds.
• To count from 1 to 640,342,928,572,732 would take you about fifty million, nine hundred two thousand, three hundred eleven 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 640342928572732 cubic inches would be around 7182.7 feet tall.

Recreational maths with 640342928572732

• 640342928572732 backwards is 237275829243046
• The number of decimal digits it has is: 15
• The sum of 640342928572732's digits is 64
• More coming soon!