138955202307942

Names of 138955202307942

• Cardinal: 138955202307942 can be written as One hundred thirty-eight trillion, nine hundred fifty-five billion, two hundred two million, three hundred seven thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 1.38955202307942 × 10¹⁴

Factors of 138955202307942

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 854174740

Divisors of 138955202307942

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 19 38 57 114 1427 2854 4281 8562 27113 54226 81339 162678 854173289 1708346578 2562519867 5125039734 16229292491 32458584982 48687877473 97375754946 1218905283403 2437810566806 3656715850209 7313431700418 23159200384657 46318400769314 69477601153971 138955202307942
• Sum of all divisors σ(n): 292742269948800
• Sum of proper divisors (its aliquot sum) s(n): 153787067640858
• 138955202307942 is an abundant number, because the sum of its proper divisors (153787067640858) is greater than itself. Its abundance is 14831865332916

Bases of 138955202307942

• Binary: 11111100110000100000111011110010010011101100110₂
• Hexadecimal: 0x7E6107792766
• Base-36: 1D974ZQJC6

Squares and roots of 138955202307942

• 138955202307942 squared (138955202307942²) is 19308548248441089723396275364
• 138955202307942 cubed (138955202307942³) is 2683023228134790772336099620854339356140888
• The square root of 138955202307942 is 11787926.1241298081
• The cube root of 138955202307942 is 51795.4491696225

Scales and comparisons

• 138,955,202,307,942 seconds is equal to 4,418,345 years, 32 weeks, 11 hours, 45 minutes, 42 seconds.
• To count from 1 to 138,955,202,307,942 would take you about eleven million, forty-five thousand, eight hundred sixty-four 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 138955202307942 cubic inches would be around 4316.3 feet tall.

Recreational maths with 138955202307942

• 138955202307942 backwards is 249703202559831
• The number of decimal digits it has is: 15
• The sum of 138955202307942's digits is 60
• More coming soon!