138701525872

Names of 138701525872

• Cardinal: 138701525872 can be written as One hundred thirty-eight billion, seven hundred one million, five hundred twenty-five thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.38701525872 × 10¹¹

Factors of 138701525872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2729

Divisors of 138701525872

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 169 182 208 338 364 676 728 1183 1352 1456 2366 2704 2707 4732 5414 9464 10828 18928 18949 21656 35191 37898 43312 70382 75796 140764 151592 246337 281528 303184 457483 492674 563056 914966 985348 1829932 1970696 3202381 3659864 3941392 6404762 7319728 7327849 12809524 14655698 25619048 29311396 51238096 51294943 58622792 95262037 102589886 117245584 190524074 205179772 381048148 410359544 666834259 762096296 820719088 1238406481 1333668518 1524192592 2476812962 2667337036 4953625924 5334674072 8668845367 9907251848 10669348144 17337690734 19814503696 34675381468 69350762936 138701525872
• Sum of all divisors σ(n): 332689998888
• Sum of proper divisors (its aliquot sum) s(n): 193988473016
• 138701525872 is an abundant number, because the sum of its proper divisors (193988473016) is greater than itself. Its abundance is 55286947144

Bases of 138701525872

• Binary: 10000001001011010000010101001101110000₂
• Hexadecimal: 0x204B415370
• Base-36: 1RPVB2B4

Squares and roots of 138701525872

• 138701525872 squared (138701525872²) is 19238113279221085360384
• 138701525872 cubed (138701525872³) is 2668355666726350131121221819854848
• The square root of 138701525872 is 372426.5375506961
• The cube root of 138701525872 is 5176.3910734859

Scales and comparisons

• 138,701,525,872 seconds is equal to 4,410 years, 14 weeks, 3 days, 17 hours, 37 minutes, 52 seconds.
• To count from 1 to 138,701,525,872 would take you about eight thousand, eight hundred twenty 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 138701525872 cubic inches would be around 431.4 feet tall.

Recreational maths with 138701525872

• 138701525872 backwards is 278525107831
• The number of decimal digits it has is: 12
• The sum of 138701525872's digits is 49
• More coming soon!