72423612872

Names of 72423612872

• Cardinal: 72423612872 can be written as Seventy-two billion, four hundred twenty-three million, six hundred twelve thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 7.2423612872 × 10¹⁰

Factors of 72423612872

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 578

Divisors of 72423612872

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 13 26 52 104 169 338 563 676 1126 1352 2197 2252 4394 4504 7319 8788 14638 17576 28561 29276 57122 58552 95147 114244 190294 228488 316969 380588 633938 761176 1236911 1267876 2473822 2535752 4120597 4947644 8241194 9895288 16079843 16482388 32159686 32964776 53567761 64319372 107135522 128638744 214271044 428542088 696380893 1392761786 2785523572 5571047144 9052951609 18105903218 36211806436 72423612872
• Sum of all divisors σ(n): 147371828295
• Sum of proper divisors (its aliquot sum) s(n): 74948215423
• 72423612872 is an abundant number, because the sum of its proper divisors (74948215423) is greater than itself. Its abundance is 2524602551

Bases of 72423612872

• Binary: 1000011011100110010001010000111001000₂
• Hexadecimal: 0x10DCC8A1C8
• Base-36: X9R5DC8

Squares and roots of 72423612872

• 72423612872 squared (72423612872²) is 5245179701433324088384
• 72423612872 cubed (72423612872³) is 379874864140679607297235128078848
• The square root of 72423612872 is 269116.3556382257
• The cube root of 72423612872 is 4168.3104963127

Scales and comparisons

• 72,423,612,872 seconds is equal to 2,302 years, 44 weeks, 6 hours, 14 minutes, 32 seconds.
• To count from 1 to 72,423,612,872 would take you about four thousand, six hundred five 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 72423612872 cubic inches would be around 347.4 feet tall.

Recreational maths with 72423612872

• 72423612872 backwards is 27821632427
• The number of decimal digits it has is: 11
• The sum of 72423612872's digits is 44
• More coming soon!