72018232055172

Names of 72018232055172

• Cardinal: 72018232055172 can be written as Seventy-two trillion, eighteen billion, two hundred thirty-two million, fifty-five thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 7.2018232055172 × 10¹³

Factors of 72018232055172

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5270164

Divisors of 72018232055172

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 29363 58726 88089 117452 176178 264267 352356 381719 528534 763438 1057068 1145157 1526876 2290314 3435471 4580628 5240783 6870942 10481566 13741884 15722349 20963132 31444698 47167047 62889396 68130179 94334094 136260358 188668188 204390537 272520716 408781074 613171611 817562148 1226343222 2452686444 153885111229 307770222458 461655333687 615540444916 923310667374 1384966001061 1846621334748 2000506445977 2769932002122 4001012891954 5539864004244 6001519337931 8002025783908 12003038675862 18004558013793 24006077351724 36009116027586 72018232055172
• Sum of all divisors σ(n): 196056345873024
• Sum of proper divisors (its aliquot sum) s(n): 124038113817852
• 72018232055172 is an abundant number, because the sum of its proper divisors (124038113817852) is greater than itself. Its abundance is 52019881762680

Bases of 72018232055172

• Binary: 10000011000000000001101001000111001010110000100₂
• Hexadecimal: 0x41800D239584
• Base-36: PJ0PVWRD0

Squares and roots of 72018232055172

• 72018232055172 squared (72018232055172²) is 5186625748352603794851949584
• 72018232055172 cubed (72018232055172³) is 373531616728187953689837967362387250448448
• The square root of 72018232055172 is 8486355.6403895777
• The cube root of 72018232055172 is 41605.1876649623

Scales and comparisons

• 72,018,232,055,172 seconds is equal to 2,289,957 years, 4 days, 11 hours, 46 minutes, 12 seconds.
• To count from 1 to 72,018,232,055,172 would take you about five million, seven hundred twenty-four thousand, eight 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 72018232055172 cubic inches would be around 3467.1 feet tall.

Recreational maths with 72018232055172

• 72018232055172 backwards is 27155023281027
• The number of decimal digits it has is: 14
• The sum of 72018232055172's digits is 45
• More coming soon!