138258251264

Names of 138258251264

• Cardinal: 138258251264 can be written as One hundred thirty-eight billion, two hundred fifty-eight million, two hundred fifty-one thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 1.38258251264 × 10¹¹

Factors of 138258251264

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 6220

Divisors of 138258251264

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 512 896 1792 3584 6211 12422 24844 43477 49688 86954 99376 173908 198752 347816 397504 695632 795008 1391264 1590016 2782528 3180032 5565056 11130112 22260224 38576521 77153042 154306084 270035647 308612168 540071294 617224336 1080142588 1234448672 2160285176 2468897344 4320570352 4937794688 8641140704 9875589376 17282281408 19751178752 34564562816 69129125632 138258251264
• Sum of all divisors σ(n): 315761086872
• Sum of proper divisors (its aliquot sum) s(n): 177502835608
• 138258251264 is an abundant number, because the sum of its proper divisors (177502835608) is greater than itself. Its abundance is 39244584344

Bases of 138258251264

• Binary: 10000000110000110101010111111000000000₂
• Hexadecimal: 0x2030D57E00
• Base-36: 1RIJE5FK

Squares and roots of 138258251264

• 138258251264 squared (138258251264²) is 19115344042579357597696
• 138258251264 cubed (138258251264³) is 2642854039636742337401960995487744
• The square root of 138258251264 is 371830.9444680471
• The cube root of 138258251264 is 5170.8707990507

Scales and comparisons

• 138,258,251,264 seconds is equal to 4,396 years, 9 weeks, 4 days, 5 hours, 47 minutes, 44 seconds.
• To count from 1 to 138,258,251,264 would take you about eight thousand, seven hundred ninety-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 138258251264 cubic inches would be around 430.9 feet tall.

Recreational maths with 138258251264

• 138258251264 backwards is 462152852831
• The number of decimal digits it has is: 12
• The sum of 138258251264's digits is 47
• More coming soon!