172998989472

Names of 172998989472

• Cardinal: 172998989472 can be written as One hundred seventy-two billion, nine hundred ninety-eight million, nine hundred eighty-nine thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.72998989472 × 10¹¹

Factors of 172998989472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 11934413

Divisors of 172998989472

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 96 151 302 453 604 906 1208 1812 2416 3624 4832 7248 14496 11934257 23868514 35802771 47737028 71605542 95474056 143211084 190948112 286422168 381896224 572844336 1145688672 1802072807 3604145614 5406218421 7208291228 10812436842 14416582456 21624873684 28833164912 43249747368 57666329824 86499494736 172998989472
• Sum of all divisors σ(n): 457129818432
• Sum of proper divisors (its aliquot sum) s(n): 284130828960
• 172998989472 is an abundant number, because the sum of its proper divisors (284130828960) is greater than itself. Its abundance is 111131839488

Bases of 172998989472

• Binary: 10100001000111100010110001011010100000₂
• Hexadecimal: 0x28478B16A0
• Base-36: 27H34QLC

Squares and roots of 172998989472

• 172998989472 squared (172998989472²) is 29928650358333166838784
• 172998989472 cubed (172998989472³) is 5177626268252448557411212737282048
• The square root of 172998989472 is 415931.4720864483
• The cube root of 172998989472 is 5572.0438063555

Scales and comparisons

• 172,998,989,472 seconds is equal to 5,500 years, 43 weeks, 2 days, 2 hours, 51 minutes, 12 seconds.
• To count from 1 to 172,998,989,472 would take you about eleven thousand and one 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 172998989472 cubic inches would be around 464.3 feet tall.

Recreational maths with 172998989472

• 172998989472 backwards is 274989899271
• The number of decimal digits it has is: 12
• The sum of 172998989472's digits is 75
• More coming soon!