640208651081344

Names of 640208651081344

• Cardinal: 640208651081344 can be written as Six hundred forty trillion, two hundred eight billion, six hundred fifty-one million, eighty-one thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 6.40208651081344 × 10¹⁴

Factors of 640208651081344

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 364198

Divisors of 640208651081344

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 16 19 32 37 38 64 74 76 128 148 152 296 304 592 608 703 1184 1216 1406 2368 2432 2812 4736 5624 11248 20717 22496 41434 44992 82868 89984 165736 331472 343423 393623 662944 686846 766529 787246 1325888 1373692 1533058 1574492 2651776 2747384 3066116 3148984 5494768 6132232 6297968 6525037 10989536 12264464 12595936 12706651 13050074 14564051 21979072 24528928 25191872 25413302 26100148 29128102 43958144 49057856 50383744 50826604 52200296 58256204 98115712 101653208 104400592 116512408 203306416 208801184 233024816 241426369 406612832 417602368 466049632 482852738 813225664 835204736 932099264 965705476 1626451328 1864198528 1931410952 3862821904 7114694291 7725643808 14229388582 15451287616 28458777164 30902575232 56917554328 113835108656 135179191529 227670217312 263243688767 270358383058 455340434624 526487377534 540716766116 910680869248 1052974755068 1081433532232 2105949510136 2162867064464 4211899020272 4325734128928 5001630086573 8423798040544 8651468257856 10003260173146 16847596081088 17302936515712 20006520346292 33695192162176 40013040692584 80026081385168 160052162770336 320104325540672 640208651081344
• Sum of all divisors σ(n): 1378898324121600
• Sum of proper divisors (its aliquot sum) s(n): 738689673040256
• 640208651081344 is an abundant number, because the sum of its proper divisors (738689673040256) is greater than itself. Its abundance is 98481021958912

Bases of 640208651081344

• Binary: 10010001100100010000110001001110101101011010000000₂
• Hexadecimal: 0x24644313AD680
• Base-36: 6AXNSL5MKG

Squares and roots of 640208651081344

• 640208651081344 squared (640208651081344²) is 409867116919394066020504846336
• 640208651081344 cubed (640208651081344³) is 262400474045564781503083536918104798956355584
• The square root of 640208651081344 is 25302344.7743750421
• The cube root of 640208651081344 is 86186.7516905591

Scales and comparisons

• 640,208,651,081,344 seconds is equal to 20,356,654 years, 42 weeks, 11 hours, 29 minutes, 4 seconds.
• To count from 1 to 640,208,651,081,344 would take you about fifty million, eight hundred ninety-one thousand, six hundred thirty-seven 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 640208651081344 cubic inches would be around 7182.2 feet tall.

Recreational maths with 640208651081344

• 640208651081344 backwards is 443180156802046
• The number of decimal digits it has is: 15
• The sum of 640208651081344's digits is 52
• More coming soon!