72145289139

Names of 72145289139

• Cardinal: 72145289139 can be written as Seventy-two billion, one hundred forty-five million, two hundred eighty-nine thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 7.2145289139 × 10¹⁰

Factors of 72145289139

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 296

Divisors of 72145289139

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 11 19 21 29 33 57 77 87 121 133 203 209 227 231 319 363 399 551 609 627 681 847 957 1463 1589 1653 2233 2299 2497 2541 3509 3857 4313 4389 4767 6061 6583 6699 6897 7491 10527 11571 12939 16093 17479 18183 19749 24563 27467 30191 42427 46081 47443 48279 51529 52437 66671 72413 73689 82401 90573 125077 127281 138243 142329 154587 192269 200013 217239 332101 360703 375231 466697 506891 521873 566819 576807 796543 875539 979051 996303 1082109 1375847 1400091 1494341 1520673 1565619 1700457 2389629 2626617 2937153 3653111 3967733 4127541 4483023 5575801 6235009 6853357 9630929 10460387 10769561 10959333 11903199 15134317 16437751 16727403 18705027 20560071 28392479 28892787 31381161 32308683 43645063 45402951 49313253 75386927 85177437 105940219 115064257 118465171 130935189 180815261 198747353 226160781 312317269 317820657 345192771 355395513 542445783 596242059 829256197 936951807 1265706827 2186220883 2487768591 3435489959 3797120481 6558662649 10306469877 24048429713 72145289139
• Sum of all divisors σ(n): 132166675200
• Sum of proper divisors (its aliquot sum) s(n): 60021386061
• 72145289139 is a deficient number, because the sum of its proper divisors (60021386061) is less than itself. Its deficiency is 12123903078

Bases of 72145289139

• Binary: 1000011001100001100011011111110110011₂
• Hexadecimal: 0x10CC31BFB3
• Base-36: X55FXDF

Squares and roots of 72145289139

• 72145289139 squared (72145289139²) is 5204942744949911361321
• 72145289139 cubed (72145289139³) is 375512099286351687234924645992619
• The square root of 72145289139 is 268598.7511865981
• The cube root of 72145289139 is 4162.9640399545

Scales and comparisons

• 72,145,289,139 seconds is equal to 2,293 years, 51 weeks, 5 days, 22 hours, 5 minutes, 39 seconds.
• To count from 1 to 72,145,289,139 would take you about four thousand, five hundred eighty-seven 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 72145289139 cubic inches would be around 346.9 feet tall.

Recreational maths with 72145289139

• 72145289139 backwards is 93198254127
• The number of decimal digits it has is: 11
• The sum of 72145289139's digits is 51
• More coming soon!