13781586988

Names of 13781586988

• Cardinal: 13781586988 can be written as Thirteen billion, seven hundred eighty-one million, five hundred eighty-six thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 1.3781586988 × 10¹⁰

Factors of 13781586988

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 333

Divisors of 13781586988

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 13 26 37 41 52 74 82 89 148 151 164 169 178 302 338 356 481 533 604 676 962 1066 1157 1517 1924 1963 2132 2314 3034 3293 3649 3926 4628 5587 6068 6191 6253 6586 6929 7298 7852 11174 12382 12506 13172 13439 13858 14596 15041 19721 22348 24764 25012 25519 26878 27716 30082 39442 42809 47437 51038 53756 60164 72631 78884 80483 85618 94874 102076 135013 145262 160966 171236 174707 189748 229067 256373 270026 290524 321932 349414 458134 497243 512746 540052 550999 556517 616681 698828 916268 944203 994486 1025492 1046279 1101998 1113034 1233362 1755169 1888406 1988972 2092558 2203996 2226068 2271191 2466724 2977871 3510338 3776812 4185116 4542382 5955742 6464159 7020676 7162987 9084764 11911484 12928318 14325974 20386963 22817197 25856636 28651948 38712323 40773926 45634394 77424646 81547852 84034067 91268788 93118831 154849292 168068134 186237662 265030519 336136268 372475324 530061038 1060122076 3445396747 6890793494 13781586988
• Sum of all divisors σ(n): 27968431680
• Sum of proper divisors (its aliquot sum) s(n): 14186844692
• 13781586988 is an abundant number, because the sum of its proper divisors (14186844692) is greater than itself. Its abundance is 405257704

Bases of 13781586988

• Binary: 1100110101011100100101010000101100₂
• Hexadecimal: 0x33572542C
• Base-36: 6BX78KS

Squares and roots of 13781586988

• 13781586988 squared (13781586988²) is 189932139907810912144
• 13781586988 cubed (13781586988³) is 2617566307956482386368161582272
• The square root of 13781586988 is 117395.0041015375
• The cube root of 13781586988 is 2397.5430288507

Scales and comparisons

• 13,781,586,988 seconds is equal to 438 years, 11 weeks, 2 hours, 36 minutes, 28 seconds.
• To count from 1 to 13,781,586,988 would take you about eight hundred seventy-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 13781586988 cubic inches would be around 199.8 feet tall.

Recreational maths with 13781586988

• 13781586988 backwards is 88968518731
• The number of decimal digits it has is: 11
• The sum of 13781586988's digits is 64
• More coming soon!