13153987728

Names of 13153987728

• Cardinal: 13153987728 can be written as Thirteen billion, one hundred fifty-three million, nine hundred eighty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3153987728 × 10¹⁰

Factors of 13153987728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 767652

Divisors of 13153987728

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 28 34 36 42 48 51 56 63 68 72 84 102 112 119 126 136 144 153 168 204 238 252 272 306 336 357 408 476 504 612 714 816 952 1008 1071 1224 1428 1904 2142 2448 2856 4284 5712 8568 17136 767623 1535246 2302869 3070492 4605738 5373361 6140984 6908607 9211476 10746722 12281968 13049591 13817214 16120083 18422952 21493444 26099182 27634428 32240166 36845904 39148773 42986888 48360249 52198364 55268856 64480332 78297546 85973776 91347137 96720498 104396728 110537712 117446319 128960664 156595092 182694274 193440996 208793456 234892638 257921328 274041411 313190184 365388548 386881992 469785276 548082822 626380368 730777096 773763984 822124233 939570552 1096165644 1461554192 1644248466 1879141104 2192331288 3288496932 4384662576 6576993864 13153987728
• Sum of all divisors σ(n): 44546755968
• Sum of proper divisors (its aliquot sum) s(n): 31392768240
• 13153987728 is an abundant number, because the sum of its proper divisors (31392768240) is greater than itself. Its abundance is 18238780512

Bases of 13153987728

• Binary: 1100010000000010011110110010010000₂
• Hexadecimal: 0x31009EC90
• Base-36: 61JJLW0

Squares and roots of 13153987728

• 13153987728 squared (13153987728²) is 173027393148374601984
• 13153987728 cubed (13153987728³) is 2276000206081550797644420452352
• The square root of 13153987728 is 114690.8354141691
• The cube root of 13153987728 is 2360.5822876129

Scales and comparisons

• 13,153,987,728 seconds is equal to 418 years, 13 weeks, 2 days, 5 hours, 28 minutes, 48 seconds.
• To count from 1 to 13,153,987,728 would take you about eight hundred thirty-six 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 13153987728 cubic inches would be around 196.7 feet tall.

Recreational maths with 13153987728

• 13153987728 backwards is 82778935131
• The number of decimal digits it has is: 11
• The sum of 13153987728's digits is 54
• More coming soon!