72126528408

Names of 72126528408

• Cardinal: 72126528408 can be written as Seventy-two billion, one hundred twenty-six million, five hundred twenty-eight thousand, four hundred eight.

Scientific notation

• Scientific notation: 7.2126528408 × 10¹⁰

Factors of 72126528408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3197

Divisors of 72126528408

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 81 88 99 108 132 162 198 216 264 297 324 396 594 648 792 891 1188 1782 2376 3181 3564 6362 7128 9543 12724 19086 25448 28629 34991 38172 57258 69982 76344 85887 104973 114516 139964 171774 209946 229032 257661 279928 314919 343548 419892 515322 629838 687096 839784 944757 1030644 1259676 1889514 2061288 2519352 2834271 3779028 5668542 7558056 10118761 11337084 20237522 22674168 30356283 40475044 60712566 80950088 91068849 111306371 121425132 182137698 222612742 242850264 273206547 333919113 364275396 445225484 546413094 667838226 728550792 819619641 890450968 1001757339 1092826188 1335676452 1639239282 2003514678 2185652376 2671352904 3005272017 3278478564 4007029356 6010544034 6556957128 8014058712 9015816051 12021088068 18031632102 24042176136 36063264204 72126528408
• Sum of all divisors σ(n): 220455918540
• Sum of proper divisors (its aliquot sum) s(n): 148329390132
• 72126528408 is an abundant number, because the sum of its proper divisors (148329390132) is greater than itself. Its abundance is 76202861724

Bases of 72126528408

• Binary: 1000011001011000100110111101110011000₂
• Hexadecimal: 0x10CB137B98
• Base-36: X4U9TI0

Squares and roots of 72126528408

• 72126528408 squared (72126528408²) is 5202236100190031014464
• 72126528408 cubed (72126528408³) is 375219229865479406163138754893312
• The square root of 72126528408 is 268563.8255759697
• The cube root of 72126528408 is 4162.6031616021

Scales and comparisons

• 72,126,528,408 seconds is equal to 2,293 years, 20 weeks, 5 days, 18 hours, 46 minutes, 48 seconds.
• To count from 1 to 72,126,528,408 would take you about four thousand, five hundred eighty-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 72126528408 cubic inches would be around 346.9 feet tall.

Recreational maths with 72126528408

• 72126528408 backwards is 80482562127
• The number of decimal digits it has is: 11
• The sum of 72126528408's digits is 45
• More coming soon!