64438662925

Names of 64438662925

• Cardinal: 64438662925 can be written as Sixty-four billion, four hundred thirty-eight million, six hundred sixty-two thousand, nine hundred twenty-five.

Scientific notation

• Scientific notation: 6.4438662925 × 10¹⁰

Factors of 64438662925

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1490817

Divisors of 64438662925

• Number of divisors d(n): 48
• Complete list of divisors:
  1 5 7 13 19 25 35 65 91 95 133 175 247 325 455 475 665 1235 1729 2275 3325 6175 8645 43225 1490773 7453865 10435411 19380049 28324687 37269325 52177055 96900245 135660343 141623435 198272809 260885275 368220931 484501225 678301715 708117175 991364045 1841104655 2577546517 3391508575 4956820225 9205523275 12887732585 64438662925
• Sum of all divisors σ(n): 103519346560
• Sum of proper divisors (its aliquot sum) s(n): 39080683635
• 64438662925 is a deficient number, because the sum of its proper divisors (39080683635) is less than itself. Its deficiency is 25357979290

Bases of 64438662925

• Binary: 111100000000110101111111011100001101₂
• Hexadecimal: 0xF00D7F70D
• Base-36: TLP46J1

Squares and roots of 64438662925

• 64438662925 squared (64438662925²) is 4152341279561769555625
• 64438662925 cubed (64438662925³) is 267571320063244060111446412703125
• The square root of 64438662925 is 253847.7160129671
• The cube root of 64438662925 is 4009.1180106153

Scales and comparisons

• 64,438,662,925 seconds is equal to 2,048 years, 49 weeks, 2 days, 20 hours, 35 minutes, 25 seconds.
• To count from 1 to 64,438,662,925 would take you about four thousand and ninety-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 64438662925 cubic inches would be around 334.1 feet tall.

Recreational maths with 64438662925

• 64438662925 backwards is 52926683446
• The number of decimal digits it has is: 11
• The sum of 64438662925's digits is 55
• More coming soon!