145197390072

Names of 145197390072

• Cardinal: 145197390072 can be written as One hundred forty-five billion, one hundred ninety-seven million, three hundred ninety thousand and seventy-two.

Scientific notation

• Scientific notation: 1.45197390072 × 10¹¹

Factors of 145197390072

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 45961

Divisors of 145197390072

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 127 149 168 254 298 381 447 508 596 762 889 894 1016 1043 1192 1524 1778 1788 2086 2667 3048 3129 3556 3576 4172 5334 6258 7112 8344 10668 12516 18923 21336 25032 37846 45673 56769 75692 91346 113538 132461 137019 151384 182692 227076 264922 274038 319711 365384 397383 454152 529844 548076 639422 794766 959133 1059688 1096152 1278844 1589532 1918266 2557688 3179064 3836532 5800471 6805277 7673064 11600942 13610554 17401413 20415831 23201884 27221108 34802826 40603297 40831662 46403768 47636939 54442216 69605652 81206594 81663324 95273878 121809891 139211304 142910817 162413188 163326648 190547756 243619782 285821634 324826376 381095512 487239564 571643268 864270179 974479128 1143286536 1728540358 2592810537 3457080716 5185621074 6049891253 6914161432 10371242148 12099782506 18149673759 20742484296 24199565012 36299347518 48399130024 72598695036 145197390072
• Sum of all divisors σ(n): 420931584000
• Sum of proper divisors (its aliquot sum) s(n): 275734193928
• 145197390072 is an abundant number, because the sum of its proper divisors (275734193928) is greater than itself. Its abundance is 130536803856

Bases of 145197390072

• Binary: 10000111001110011100000101100011111000₂
• Hexadecimal: 0x21CE7058F8
• Base-36: 1UPARZ7C

Squares and roots of 145197390072

• 145197390072 squared (145197390072²) is 21082282083720524165184
• 145197390072 cubed (145197390072³) is 3061092335317905908244523409653248
• The square root of 145197390072 is 381047.7530074151
• The cube root of 145197390072 is 5255.9707135997

Scales and comparisons

• 145,197,390,072 seconds is equal to 4,616 years, 43 weeks, 8 hours, 21 minutes, 12 seconds.
• To count from 1 to 145,197,390,072 would take you about nine thousand, two hundred thirty-three 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 145197390072 cubic inches would be around 438 feet tall.

Recreational maths with 145197390072

• 145197390072 backwards is 270093791541
• The number of decimal digits it has is: 12
• The sum of 145197390072's digits is 48
• More coming soon!