72217989144

Names of 72217989144

• Cardinal: 72217989144 can be written as Seventy-two billion, two hundred seventeen million, nine hundred eighty-nine thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 7.2217989144 × 10¹⁰

Factors of 72217989144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 266

Divisors of 72217989144

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 97 126 157 168 194 252 291 314 388 471 504 582 628 679 776 873 942 1099 1164 1256 1358 1413 1746 1884 2037 2198 2328 2716 2826 3297 3492 3768 4074 4396 5432 5652 6111 6594 6984 8148 8792 9409 9891 11304 12222 13188 15229 16296 18818 19782 24444 26376 28227 30458 37636 39564 45687 48888 56454 60916 65863 75272 79128 84681 91374 106603 112908 121832 131726 137061 169362 182748 197589 213206 225816 263452 274122 319809 338724 365496 395178 426412 526904 548244 592767 639618 677448 790356 852824 912673 959427 1096488 1185534 1279236 1477213 1580712 1825346 1918854 2371068 2558472 2738019 2954426 3650692 3837708 4431639 4742136 5476038 5908852 6388711 7301384 7675416 8214057 8863278 10340491 10952076 11817704 12777422 13294917 16428114 17726556 19166133 20680982 21904152 25554844 26589834 31021473 32856228 35453112 38332266 41361964 51109688 53179668 57498399 62042946 65712456 76664532 82723928 93064419 106359336 114996798 124085892 143289661 153329064 186128838 229993596 248171784 286579322 372257676 429868983 459987192 573158644 744515352 859737966 1003027627 1146317288 1289606949 1719475932 2006055254 2579213898 3009082881 3438951864 4012110508 5158427796 6018165762 8024221016 9027248643 10316855592 12036331524 18054497286 24072663048 36108994572 72217989144
• Sum of all divisors σ(n): 227298926400
• Sum of proper divisors (its aliquot sum) s(n): 155080937256
• 72217989144 is an abundant number, because the sum of its proper divisors (155080937256) is greater than itself. Its abundance is 82862948112

Bases of 72217989144

• Binary: 1000011010000100001110001000000011000₂
• Hexadecimal: 0x10D0871018
• Base-36: X6CQ520

Squares and roots of 72217989144

• 72217989144 squared (72217989144²) is 5215437956002901852736
• 72217989144 cubed (72217989144³) is 376648441687823115633385934697984
• The square root of 72217989144 is 268734.0490968719
• The cube root of 72217989144 is 4164.3618947039

Scales and comparisons

• 72,217,989,144 seconds is equal to 2,296 years, 16 weeks, 8 hours, 32 minutes, 24 seconds.
• To count from 1 to 72,217,989,144 would take you about four thousand, five hundred ninety-two 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 72217989144 cubic inches would be around 347 feet tall.

Recreational maths with 72217989144

• 72217989144 backwards is 44198971227
• The number of decimal digits it has is: 11
• The sum of 72217989144's digits is 54
• More coming soon!