642669741584

Names of 642669741584

• Cardinal: 642669741584 can be written as Six hundred forty-two billion, six hundred sixty-nine million, seven hundred forty-one thousand, five hundred eighty-four.

Scientific notation

• Scientific notation: 6.42669741584 × 10¹¹

Factors of 642669741584

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 30885

Divisors of 642669741584

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 13 16 26 52 104 169 208 338 676 1352 2704 14683 16187 29366 32374 58732 64748 117464 129496 190879 210431 234928 258992 381758 420862 763516 841724 1527032 1683448 2481427 2735603 3054064 3366896 4962854 5471206 9925708 10942412 19851416 21884824 39702832 43769648 237673721 475347442 950694884 1901389768 3089758373 3802779536 6179516746 12359033492 24718066984 40166858849 49436133968 80333717698 160667435396 321334870792 642669741584
• Sum of all divisors σ(n): 1348498150416
• Sum of proper divisors (its aliquot sum) s(n): 705828408832
• 642669741584 is an abundant number, because the sum of its proper divisors (705828408832) is greater than itself. Its abundance is 63158667248

Bases of 642669741584

• Binary: 1001010110100010000110100000011000010000₂
• Hexadecimal: 0x95A21A0610
• Base-36: 878KYYA8

Squares and roots of 642669741584

• 642669741584 squared (642669741584²) is 413024396747645338829056
• 642669741584 cubed (642669741584³) is 265438282325696719965751540670664704
• The square root of 642669741584 is 801666.8519927715
• The cube root of 642669741584 is 8629.7050196383

Scales and comparisons

• 642,669,741,584 seconds is equal to 20,434 years, 47 weeks, 2 days, 4 hours, 39 minutes, 44 seconds.
• To count from 1 to 642,669,741,584 would take you about forty thousand, eight hundred sixty-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 642669741584 cubic inches would be around 719.1 feet tall.

Recreational maths with 642669741584

• 642669741584 backwards is 485147966246
• The number of decimal digits it has is: 12
• The sum of 642669741584's digits is 62
• More coming soon!