72434269728

Names of 72434269728

• Cardinal: 72434269728 can be written as Seventy-two billion, four hundred thirty-four million, two hundred sixty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2434269728 × 10¹⁰

Factors of 72434269728

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 15864

Divisors of 72434269728

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 15859 31718 47577 63436 95154 126872 142731 190308 253744 285462 380616 507488 570924 761232 1141848 1522464 2283696 4567392 251507881 503015762 754523643 1006031524 1509047286 2012063048 2263570929 3018094572 4024126096 4527141858 6036189144 8048252192 9054283716 12072378288 18108567432 24144756576 36217134864 72434269728
• Sum of all divisors σ(n): 205997943879
• Sum of proper divisors (its aliquot sum) s(n): 133563674151
• 72434269728 is an abundant number, because the sum of its proper divisors (133563674151) is greater than itself. Its abundance is 61129404423

Bases of 72434269728

• Binary: 1000011011101011010110011111000100000₂
• Hexadecimal: 0x10DD6B3E20
• Base-36: X9XHS80

Squares and roots of 72434269728

• 72434269728 squared (72434269728²) is 5246723431028657193984
• 72434269728 cubed (72434269728³) is 380042580191347359686684674916352
• The square root of 72434269728 is 269136.1546280989
• The cube root of 72434269728 is 4168.5149365697

Scales and comparisons

• 72,434,269,728 seconds is equal to 2,303 years, 9 weeks, 4 days, 14 hours, 28 minutes, 48 seconds.
• To count from 1 to 72,434,269,728 would take you about four thousand, six hundred six 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 72434269728 cubic inches would be around 347.4 feet tall.

Recreational maths with 72434269728

• 72434269728 backwards is 82796243427
• The number of decimal digits it has is: 11
• The sum of 72434269728's digits is 54
• More coming soon!