15390942875

Names of 15390942875

• Cardinal: 15390942875 can be written as Fifteen billion, three hundred ninety million, nine hundred forty-two thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 1.5390942875 × 10¹⁰

Factors of 15390942875

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1135

Divisors of 15390942875

• Number of divisors d(n): 144
• Complete list of divisors:
  1 5 7 11 19 25 35 49 55 77 95 121 125 133 175 209 245 275 385 475 539 605 665 847 875 931 1045 1093 1225 1375 1463 1925 2299 2375 2695 3025 3325 4235 4655 5225 5465 5929 6125 7315 7651 9625 10241 11495 12023 13475 15125 16093 16625 20767 21175 23275 26125 27325 29645 36575 38255 51205 53557 57475 60115 67375 80465 84161 103835 105875 112651 116375 132253 136625 145369 148225 182875 191275 228437 256025 267785 287375 300575 402325 420805 519175 563255 589127 661265 726845 741125 925771 956375 1017583 1142185 1280125 1338925 1502875 1599059 2011625 2104025 2512807 2595875 2816275 2945635 3306325 3634225 4628855 5087915 5710925 6480397 6694625 7995295 10520125 11193413 12564035 14081375 14728175 16531625 17589649 18171125 23144275 25439575 28554625 32401985 39976475 55967065 62820175 73640875 87948245 115721375 123127543 127197875 162009925 199882375 279835325 314100875 439741225 615637715 810049625 1399176625 2198706125 3078188575 15390942875
• Sum of all divisors σ(n): 25876075680
• Sum of proper divisors (its aliquot sum) s(n): 10485132805
• 15390942875 is a deficient number, because the sum of its proper divisors (10485132805) is less than itself. Its deficiency is 4905810070

Bases of 15390942875

• Binary: 1110010101010111110010011010011011₂
• Hexadecimal: 0x3955F269B
• Base-36: 72JDBIZ

Squares and roots of 15390942875

• 15390942875 squared (15390942875²) is 236881122581513265625
• 15390942875 cubed (15390942875³) is 3645823825817943202289076171875
• The square root of 15390942875 is 124060.2388962717
• The cube root of 15390942875 is 2487.4540987969

Scales and comparisons

• 15,390,942,875 seconds is equal to 489 years, 19 weeks, 6 days, 21 hours, 54 minutes, 35 seconds.
• To count from 1 to 15,390,942,875 would take you about nine 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 15390942875 cubic inches would be around 207.3 feet tall.

Recreational maths with 15390942875

• 15390942875 backwards is 57824909351
• The number of decimal digits it has is: 11
• The sum of 15390942875's digits is 53
• More coming soon!