64920429040

Names of 64920429040

• Cardinal: 64920429040 can be written as Sixty-four billion, nine hundred twenty million, four hundred twenty-nine thousand and forty.

Scientific notation

• Scientific notation: 6.492042904 × 10¹⁰

Factors of 64920429040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 59492

Divisors of 64920429040

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 71 80 142 193 284 355 386 568 710 772 965 1136 1420 1544 1930 2840 3088 3860 5680 7720 13703 15440 27406 54812 59221 68515 109624 118442 137030 219248 236884 274060 296105 473768 548120 592210 947536 1096240 1184420 2368840 4204691 4737680 8409382 11429653 16818764 21023455 22859306 33637528 42046910 45718612 57148265 67275056 84093820 91437224 114296530 168187640 182874448 228593060 336375280 457186120 811505363 914372240 1623010726 3246021452 4057526815 6492042904 8115053630 12984085808 16230107260 32460214520 64920429040
• Sum of all divisors σ(n): 153861598656
• Sum of proper divisors (its aliquot sum) s(n): 88941169616
• 64920429040 is an abundant number, because the sum of its proper divisors (88941169616) is greater than itself. Its abundance is 24020740576

Bases of 64920429040

• Binary: 111100011101100011110010000111110000₂
• Hexadecimal: 0xF1D8F21F0
• Base-36: TTNY3N4

Squares and roots of 64920429040

• 64920429040 squared (64920429040²) is 4214662106737675321600
• 64920429040 cubed (64920429040³) is 273617672228040156610491979264000
• The square root of 64920429040 is 254794.8764006059
• The cube root of 64920429040 is 4019.0844065479

Scales and comparisons

• 64,920,429,040 seconds is equal to 2,064 years, 13 weeks, 6 days, 20 hours, 30 minutes, 40 seconds.
• To count from 1 to 64,920,429,040 would take you about four thousand, one hundred twenty-eight 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 64920429040 cubic inches would be around 334.9 feet tall.

Recreational maths with 64920429040

• 64920429040 backwards is 04092402946
• 64920429040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64920429040's digits is 40
• More coming soon!