13557808728

Names of 13557808728

• Cardinal: 13557808728 can be written as Thirteen billion, five hundred fifty-seven million, eight hundred eight thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3557808728 × 10¹⁰

Factors of 13557808728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8372

Divisors of 13557808728

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 79 97 108 158 194 216 237 291 316 388 474 582 632 711 776 873 948 1164 1422 1746 1896 2133 2328 2619 2844 3492 4266 5238 5688 6984 7663 8191 8532 10476 15326 16382 17064 20952 22989 24573 30652 32764 45978 49146 61304 65528 68967 73719 91956 98292 137934 147438 183912 196584 206901 221157 275868 294876 413802 442314 551736 589752 647089 794527 827604 884628 1294178 1589054 1655208 1769256 1941267 2383581 2588356 3178108 3882534 4767162 5176712 5823801 6356216 7150743 7765068 9534324 11647602 14301486 15530136 17471403 19068648 21452229 23295204 28602972 34942806 42904458 46590408 57205944 62767633 69885612 85808916 125535266 139771224 171617832 188302899 251070532 376605798 502141064 564908697 753211596 1129817394 1506423192 1694726091 2259634788 3389452182 4519269576 6778904364 13557808728
• Sum of all divisors σ(n): 38535168000
• Sum of proper divisors (its aliquot sum) s(n): 24977359272
• 13557808728 is an abundant number, because the sum of its proper divisors (24977359272) is greater than itself. Its abundance is 11419550544

Bases of 13557808728

• Binary: 1100101000000110111011111001011000₂
• Hexadecimal: 0x3281BBE58
• Base-36: 687YW60

Squares and roots of 13557808728

• 13557808728 squared (13557808728²) is 183814177505032977984
• 13557808728 cubed (13557808728³) is 2492117460107877372839307044352
• The square root of 13557808728 is 116438.0037960117
• The cube root of 13557808728 is 2384.4954654447

Scales and comparisons

• 13,557,808,728 seconds is equal to 431 years, 5 weeks, 1 hour, 58 minutes, 48 seconds.
• To count from 1 to 13,557,808,728 would take you about eight hundred sixty-two 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 13557808728 cubic inches would be around 198.7 feet tall.

Recreational maths with 13557808728

• 13557808728 backwards is 82780875531
• 13557808728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13557808728's digits is 54
• More coming soon!