13681399514538

Names of 13681399514538

• Cardinal: 13681399514538 can be written as Thirteen trillion, six hundred eighty-one billion, three hundred ninety-nine million, five hundred fourteen thousand, five hundred thirty-eight.

Scientific notation

• Scientific notation: 1.3681399514538 × 10¹³

Factors of 13681399514538

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5392

Divisors of 13681399514538

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 14 21 42 73 146 219 438 511 1022 1049 1533 1601 2098 2657 3066 3147 3202 4803 5314 6294 7343 7971 9606 11207 14686 15942 18599 22029 22414 33621 37198 44058 55797 67242 76577 111594 116873 153154 193961 229731 233746 350619 387922 459462 536039 581883 701238 818111 1072078 1163766 1357727 1608117 1636222 1679449 2454333 2715454 2787193 3216234 3358898 4073181 4253857 4908666 5038347 5574386 8146362 8361579 8507714 10076694 11756143 12761571 16723158 19510351 23512286 25523142 29776999 35268429 39020702 58531053 59553998 70536858 89330997 117062106 122599777 178661994 203465089 245199554 310531561 367799331 406930178 610395267 621063122 735598662 858198439 931594683 1220790534 1424255623 1716396878 1863189366 2173720927 2574595317 2848511246 4272766869 4347441854 4462295993 5149190634 6521162781 8545533738 8924591986 13042325562 13386887979 26773775958 31236071951 62472143902 93708215853 187416431706 325747607489 651495214978 977242822467 1954485644934 2280233252423 4560466504846 6840699757269 13681399514538
• Sum of all divisors σ(n): 31762138867200
• Sum of proper divisors (its aliquot sum) s(n): 18080739352662
• 13681399514538 is an abundant number, because the sum of its proper divisors (18080739352662) is greater than itself. Its abundance is 4399339838124

Bases of 13681399514538

• Binary: 11000111000101110010111101010100010110101010₂
• Hexadecimal: 0xC7172F545AA
• Base-36: 4UL5C0ZVU

Squares and roots of 13681399514538

• 13681399514538 squared (13681399514538²) is 187180692676400622073353444
• 13681399514538 cubed (13681399514538³) is 2560893837913794042763579015767290368872
• The square root of 13681399514538 is 3698837.5896405617
• The cube root of 13681399514538 is 23917.1911786567

Scales and comparisons

• 13,681,399,514,538 seconds is equal to 435,026 years, 9 weeks, 4 days, 10 hours, 2 minutes, 18 seconds.
• To count from 1 to 13,681,399,514,538 would take you about one million, eighty-seven thousand, five hundred sixty-five 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 13681399514538 cubic inches would be around 1993.1 feet tall.

Recreational maths with 13681399514538

• 13681399514538 backwards is 83541599318631
• The number of decimal digits it has is: 14
• The sum of 13681399514538's digits is 66
• More coming soon!