640727827219340442

Names of 640727827219340442

• Cardinal: 640727827219340442 can be written as Six hundred forty quadrillion, seven hundred twenty-seven trillion, eight hundred twenty-seven billion, two hundred nineteen million, three hundred forty thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 6.40727827219340442 × 10¹⁷

Factors of 640727827219340442

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1033225

Divisors of 640727827219340442

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 18 67 134 201 402 603 1206 11113 22226 33339 49139 66678 98278 100017 147417 200034 294834 442251 744571 884502 972901 1489142 1945802 2233713 2918703 3292313 4467426 5837406 6584626 6701139 8756109 9876939 13402278 17512218 19753878 29630817 59261634 65184367 130368734 195553101 391106202 546081707 586659303 1092163414 1173318606 1638245121 3276490242 4914735363 9829470726 10811848813 21623697626 32435546439 36587474369 47807382239 64871092878 73174948738 95614764478 97306639317 109762423107 143422146717 194613278634 219524846214 286844293434 329287269321 430266440151 658574538642 724393870471 860532880302 1448787740942 2173181611413 3203094610013 4346363222826 6406189220026 6519544834239 9609283830039 13039089668478 19218567660078 28827851490117 57655702980234 531283438822007 1062566877644014 1593850316466021 3187700632932042 4781550949398063 9563101898796126 35595990401074469 71191980802148938 106787971203223407 213575942406446814 320363913609670221 640727827219340442
• Sum of all divisors σ(n): 1409120588905323840
• Sum of proper divisors (its aliquot sum) s(n): 768392761685983398
• 640727827219340442 is an abundant number, because the sum of its proper divisors (768392761685983398) is greater than itself. Its abundance is 127664934466642956

Bases of 640727827219340442

• Binary: 100011100100010100101001000001101011000111011101110010011010₂
• Hexadecimal: 0x8E452906B1DDC9A
• Base-36: 4V8V24BS4UQI

Squares and roots of 640727827219340442

• 640727827219340442 squared (640727827219340442²) is 410532148573216978599869297496755364
• 640727827219340442 cubed (640727827219340442³) is 263039371559004768021058838917112476781481843105630888
• The square root of 640727827219340442 is 800454762.7563599187
• The cube root of 640727827219340442 is 862100.4306317997

Scales and comparisons

• 640,727,827,219,340,442 seconds is equal to 20,373,163,004 years, 14 weeks, 3 days, 4 hours, 20 minutes, 42 seconds.
• To count from 1 to 640,727,827,219,340,442 would take you about sixty-one billion, one hundred nineteen million, four hundred eighty-nine thousand and twelve 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 640727827219340442 cubic inches would be around 71841.7 feet tall.

Recreational maths with 640727827219340442

• 640727827219340442 backwards is 244043912728727046
• The number of decimal digits it has is: 18
• The sum of 640727827219340442's digits is 72
• More coming soon!