72409890315

Names of 72409890315

• Cardinal: 72409890315 can be written as Seventy-two billion, four hundred nine million, eight hundred ninety thousand, three hundred fifteen.

Scientific notation

• Scientific notation: 7.2409890315 × 10¹⁰

Factors of 72409890315

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 7452

Divisors of 72409890315

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 7 15 21 35 105 197 521 591 985 1379 1563 2605 2955 3647 4137 6719 6895 7815 10941 18235 20157 20685 33595 47033 54705 100785 102637 141099 235165 307911 513185 705495 718459 1323643 1539555 2155377 3500599 3592295 3970929 6618215 9265501 10501797 10776885 17502995 19854645 24504193 27796503 46327505 52508985 73512579 122520965 138982515 367562895 689618003 2068854009 3448090015 4827326021 10344270045 14481978063 24136630105 72409890315
• Sum of all divisors σ(n): 133354045440
• Sum of proper divisors (its aliquot sum) s(n): 60944155125
• 72409890315 is a deficient number, because the sum of its proper divisors (60944155125) is less than itself. Its deficiency is 11465735190

Bases of 72409890315

• Binary: 1000011011011111101110011111000001011₂
• Hexadecimal: 0x10DBF73E0B
• Base-36: X9IZ8Y3

Squares and roots of 72409890315

• 72409890315 squared (72409890315²) is 5243192215430330799225
• 72409890315 cubed (72409890315³) is 379658973219772103696048537005875
• The square root of 72409890315 is 269090.8588469701
• The cube root of 72409890315 is 4168.0472143563

Scales and comparisons

• 72,409,890,315 seconds is equal to 2,302 years, 21 weeks, 2 days, 10 hours, 25 minutes, 15 seconds.
• To count from 1 to 72,409,890,315 would take you about four thousand, six hundred 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 72409890315 cubic inches would be around 347.3 feet tall.

Recreational maths with 72409890315

• 72409890315 backwards is 51309890427
• The number of decimal digits it has is: 11
• The sum of 72409890315's digits is 48
• More coming soon!