72101501745

Names of 72101501745

• Cardinal: 72101501745 can be written as Seventy-two billion, one hundred one million, five hundred one thousand, seven hundred forty-five.

Scientific notation

• Scientific notation: 7.2101501745 × 10¹⁰

Factors of 72101501745

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 131130

Divisors of 72101501745

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 13 15 21 31 35 39 65 91 93 105 155 169 195 217 273 403 455 465 507 651 845 1085 1183 1209 1365 2015 2535 2821 3255 3549 5239 5915 6045 8463 14105 15717 17745 26195 36673 42315 78585 110019 131071 183365 393213 550095 655355 917497 1703923 1966065 2752491 4063201 4587485 5111769 8519615 11927461 12189603 13762455 20316005 22150999 25558845 28442407 35782383 52821613 59637305 60948015 66452997 85327221 110754995 142212035 155056993 158464839 178911915 264108065 332264985 369751291 426636105 465170979 686680969 775284965 792324195 1109253873 1848756455 2060042907 2325854895 3433404845 4806766783 5546269365 10300214535 14420300349 24033833915 72101501745
• Sum of all divisors σ(n): 147371065344
• Sum of proper divisors (its aliquot sum) s(n): 75269563599
• 72101501745 is an abundant number, because the sum of its proper divisors (75269563599) is greater than itself. Its abundance is 3168061854

Bases of 72101501745

• Binary: 1000011001001100101011001101100110001₂
• Hexadecimal: 0x10C9959B31
• Base-36: X4FDESX

Squares and roots of 72101501745

• 72101501745 squared (72101501745²) is 5198626553884238045025
• 72101501745 cubed (72101501745³) is 374828781546487725931365426068625
• The square root of 72101501745 is 268517.2280227099
• The cube root of 72101501745 is 4162.1216553737

Scales and comparisons

• 72,101,501,745 seconds is equal to 2,292 years, 31 weeks, 3 days, 2 hours, 55 minutes, 45 seconds.
• To count from 1 to 72,101,501,745 would take you about four thousand, five hundred eighty-five 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 72101501745 cubic inches would be around 346.8 feet tall.

Recreational maths with 72101501745

• 72101501745 backwards is 54710510127
• The number of decimal digits it has is: 11
• The sum of 72101501745's digits is 33
• More coming soon!