72001025145

Names of 72001025145

• Cardinal: 72001025145 can be written as Seventy-two billion, one million, twenty-five thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 7.2001025145 × 10¹⁰

Factors of 72001025145

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 16785

Divisors of 72001025145

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 63 81 105 135 189 243 315 405 521 567 945 1215 1563 1701 2605 2835 3647 4689 7815 8505 10941 14067 16249 18235 23445 32823 42201 48747 54705 70335 81245 98469 113743 126603 146241 164115 211005 243735 295407 341229 438723 492345 568715 633015 731205 886221 1023687 1316169 1477035 1706145 2193615 3071061 3948507 4431105 5118435 6580845 8465729 9213183 15355305 19742535 25397187 27639549 42328645 46065915 59260103 76191561 126985935 138197745 177780309 228574683 296300515 380957805 533340927 685724049 888901545 1142873415 1600022781 2057172147 2666704635 3428620245 4800068343 8000113905 10285860735 14400205029 24000341715 72001025145
• Sum of all divisors σ(n): 148206240000
• Sum of proper divisors (its aliquot sum) s(n): 76205214855
• 72001025145 is an abundant number, because the sum of its proper divisors (76205214855) is greater than itself. Its abundance is 4204189710

Bases of 72001025145

• Binary: 1000011000011100110000111010001111001₂
• Hexadecimal: 0x10C3987479
• Base-36: X2RJUK9

Squares and roots of 72001025145

• 72001025145 squared (72001025145²) is 5184147621930922271025
• 72001025145 cubed (72001025145³) is 373263943282040287889111529923625
• The square root of 72001025145 is 268330.0675380973
• The cube root of 72001025145 is 4160.1873903391

Scales and comparisons

• 72,001,025,145 seconds is equal to 2,289 years, 21 weeks, 2 days, 4 hours, 45 minutes, 45 seconds.
• To count from 1 to 72,001,025,145 would take you about four thousand, five hundred seventy-eight 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 72001025145 cubic inches would be around 346.7 feet tall.

Recreational maths with 72001025145

• 72001025145 backwards is 54152010027
• 72001025145 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72001025145's digits is 27
• More coming soon!