64389755016

Names of 64389755016

• Cardinal: 64389755016 can be written as Sixty-four billion, three hundred eighty-nine million, seven hundred fifty-five thousand and sixteen.

Scientific notation

• Scientific notation: 6.4389755016 × 10¹⁰

Factors of 64389755016

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7275

Divisors of 64389755016

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 24 34 36 51 68 72 102 136 153 204 306 408 612 1224 7253 14506 21759 29012 43518 58024 65277 87036 123301 130554 174072 246602 261108 369903 493204 522216 739806 986408 1109709 1479612 2219418 2959224 4438836 8877672 52606009 105212018 157818027 210424036 315636054 420848072 473454081 631272108 894302153 946908162 1262544216 1788604306 1893816324 2682906459 3577208612 3787632648 5365812918 7154417224 8048719377 10731625836 16097438754 21463251672 32194877508 64389755016
• Sum of all divisors σ(n): 184672553130
• Sum of proper divisors (its aliquot sum) s(n): 120282798114
• 64389755016 is an abundant number, because the sum of its proper divisors (120282798114) is greater than itself. Its abundance is 55893043098

Bases of 64389755016

• Binary: 111011111101111011011011000010001000₂
• Hexadecimal: 0xEFDEDB088
• Base-36: TKVZWY0

Squares and roots of 64389755016

• 64389755016 squared (64389755016²) is 4146040551020497160256
• 64389755016 cubed (64389755016³) is 266962535366611460943407531844096
• The square root of 64389755016 is 253751.3645598777
• The cube root of 64389755016 is 4008.1034685301

Scales and comparisons

• 64,389,755,016 seconds is equal to 2,047 years, 20 weeks, 3 days, 19 hours, 3 minutes, 36 seconds.
• To count from 1 to 64,389,755,016 would take you about four thousand and ninety-four 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 64389755016 cubic inches would be around 334 feet tall.

Recreational maths with 64389755016

• 64389755016 backwards is 61055798346
• The number of decimal digits it has is: 11
• The sum of 64389755016's digits is 54
• More coming soon!