72606864642

Names of 72606864642

• Cardinal: 72606864642 can be written as Seventy-two billion, six hundred six million, eight hundred sixty-four thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 7.2606864642 × 10¹⁰

Factors of 72606864642

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 35258

Divisors of 72606864642

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 13 26 39 78 157 169 314 338 471 507 942 1014 2041 2197 4082 4394 6123 6591 12246 13182 26533 35083 53066 70166 79599 105249 159198 210498 344929 456079 689858 912158 1034787 1368237 2069574 2736474 5508031 5929027 11016062 11858054 16524093 17787081 33048186 35574162 71604403 77077351 143208806 154154702 214813209 231232053 429626418 462464106 930857239 1861714478 2792571717 5585143434 12101144107 24202288214 36303432321 72606864642
• Sum of all divisors σ(n): 158315848320
• Sum of proper divisors (its aliquot sum) s(n): 85708983678
• 72606864642 is an abundant number, because the sum of its proper divisors (85708983678) is greater than itself. Its abundance is 13102119036

Bases of 72606864642

• Binary: 1000011100111101101001101010100000010₂
• Hexadecimal: 0x10E7B4D502
• Base-36: XCS93B6

Squares and roots of 72606864642

• 72606864642 squared (72606864642²) is 5271756793141709788164
• 72606864642 cubed (72606864642³) is 382765731905184116513670041697288
• The square root of 72606864642 is 269456.6099430481
• The cube root of 72606864642 is 4171.8231947241

Scales and comparisons

• 72,606,864,642 seconds is equal to 2,308 years, 35 weeks, 5 hours, 30 minutes, 42 seconds.
• To count from 1 to 72,606,864,642 would take you about four thousand, six hundred seventeen 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 72606864642 cubic inches would be around 347.7 feet tall.

Recreational maths with 72606864642

• 72606864642 backwards is 24646860627
• The number of decimal digits it has is: 11
• The sum of 72606864642's digits is 51
• More coming soon!