72945774225

Names of 72945774225

• Cardinal: 72945774225 can be written as Seventy-two billion, nine hundred forty-five million, seven hundred seventy-four thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 7.2945774225 × 10¹⁰

Factors of 72945774225

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 337

Divisors of 72945774225

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 9 15 19 25 29 41 45 57 75 87 95 113 123 127 145 171 205 225 261 285 339 369 381 435 475 551 565 615 635 725 779 855 1017 1025 1143 1189 1305 1425 1653 1695 1845 1905 2147 2175 2337 2413 2755 2825 3075 3175 3277 3567 3683 3895 4275 4633 4959 5085 5207 5715 5945 6441 6525 7011 7239 8265 8475 9225 9525 9831 10701 10735 11049 11685 12065 13775 13899 14351 15621 16385 17835 18415 19323 19475 21717 22591 23165 24795 25425 26035 28575 29493 29725 32205 33147 35055 36195 41325 41697 43053 46863 49155 53505 53675 55245 58425 60325 62263 67773 69495 69977 71755 78105 81925 88027 89175 92075 96615 98933 108585 112955 115825 123975 129159 130175 134357 147465 151003 161025 165735 175275 180975 186789 203319 208485 209931 215265 234315 245775 264081 267525 272669 276225 296799 311315 338865 347475 349885 358775 390525 403071 416179 440135 453009 483075 494665 542925 560367 564775 588391 629793 645795 671785 737325 755015 792243 818007 828675 890397 933945 1016595 1042425 1049655 1076325 1171575 1209213 1248537 1320405 1359027 1363345 1483995 1556575 1694325 1749425 1765173 2015355 2080895 2200675 2265045 2454021 2473325 2552783 2801835 2869057 2941955 3148965 3228975 3358925 3745611 3775075 3961215 4090035 4451985 4669725 5082975 5248275 5295519 6046065 6242685 6602025 6795135 6816725 7419975 7658349 7907401 8607171 8825865 10076775 10404475 11179429 11325225 12270105 12763915 14009175 14345285 14709775 15744825 17063339 18728055 19806075 20450175 22259925 22975047 23722203 25821513 26477595 30230325 31213425 33538287 33975675 38291745 39537005 43035855 44129325 51190017 55897145 61350525 63819575 71166609 71726425 85316695 93640275 100614861 114875235 118611015 129107565 132387975 153570051 167691435 191458725 197685025 215179275 255950085 279485725 324203441 355833045 426583475 503074305 574376175 593055075 645537825 767850255 838457175 972610323 1279750425 1621017205 1779165225 2515371525 2917830969 3839251275 4863051615 8105086025 14589154845 24315258075 72945774225
• Sum of all divisors σ(n): 148190515200
• Sum of proper divisors (its aliquot sum) s(n): 75244740975
• 72945774225 is an abundant number, because the sum of its proper divisors (75244740975) is greater than itself. Its abundance is 2298966750

Bases of 72945774225

• Binary: 1000011111011111010000010111010010001₂
• Hexadecimal: 0x10FBE82E91
• Base-36: XIE13M9

Squares and roots of 72945774225

• 72945774225 squared (72945774225²) is 5321085977284674350625
• 72945774225 cubed (72945774225³) is 388150736330821333733339737640625
• The square root of 72945774225 is 270084.7537811047
• The cube root of 72945774225 is 4178.3041094197

Scales and comparisons

• 72,945,774,225 seconds is equal to 2,319 years, 23 weeks, 2 days, 19 hours, 3 minutes, 45 seconds.
• To count from 1 to 72,945,774,225 would take you about four thousand, six hundred thirty-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 72945774225 cubic inches would be around 348.2 feet tall.

Recreational maths with 72945774225

• 72945774225 backwards is 52247754927
• The number of decimal digits it has is: 11
• The sum of 72945774225's digits is 54
• More coming soon!