72138013272279900224143929

Names of 72138013272279900224143929

• Cardinal: 72138013272279900224143929 can be written as Seventy-two septillion, one hundred thirty-eight sextillion, thirteen quintillion, two hundred seventy-two quadrillion, two hundred seventy-nine trillion, nine hundred billion, two hundred twenty-four million, one hundred forty-three thousand, nine hundred twenty-nine.

Scientific notation

• Scientific notation: 7.2138013272279900224143929 × 10²⁵

Factors of 72138013272279900224143929

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2270

Divisors of 72138013272279900224143929

• Number of divisors d(n): 39
• Complete list of divisors:
  1 3 9 27 81 243 729 2187 2267 6561 6801 19683 20403 59049 61209 177147 183627 531441 550881 1652643 4957929 5139289 14873787 15417867 44621361 46253601 133864083 138760803 401592249 416282409 1204776747 1248847227 3746541681 11239625043 33718875129 101156625387 303469876161 910409628483 2731228885449
• Sum of all divisors σ(n): 72138013272281267643978157
• Sum of proper divisors (its aliquot sum) s(n): 1367419834228
• 72138013272279900224143929 is a deficient number, because the sum of its proper divisors (1367419834228) is less than itself. Its deficiency is 72138013272278532804309701

Bases of 72138013272279900224143929

• Binary: 11101110101011110100011000100100010001111010111011111100110110101010101100001000111001₂
• Hexadecimal: 0x3BABD18911EBBF36AAC239
• Base-36: 92B251P5N3Z69LIK9

Squares and roots of 72138013272279900224143929

• 72138013272279900224143929 squared (72138013272279900224143929²) is 5203892958871631038152339394215927197694700907557041
• 72138013272279900224143929 cubed (72138013272279900224143929³) is 375398499334605640780129781002298623547341392257092812008323371675600961354089
• 72138013272279900224143929 is a perfect square number. Its square root is 8493409990827
• 72138013272279900224143929 is a perfect cube number. Its cube root is 416282409

Scales and comparisons

• 72,138,013,272,279,900,224,143,929 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 72,138,013,272,279,900,224,143,929 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 72138013272279900224143929 cubic inches would be around 34690200.8 feet tall.

Recreational maths with 72138013272279900224143929

• 72138013272279900224143929 backwards is 92934142200997227231083127
• The number of decimal digits it has is: 26
• The sum of 72138013272279900224143929's digits is 99
• More coming soon!