138870293632

Names of 138870293632

• Cardinal: 138870293632 can be written as One hundred thirty-eight billion, eight hundred seventy million, two hundred ninety-three thousand, six hundred thirty-two.

Scientific notation

• Scientific notation: 1.38870293632 × 10¹¹

Factors of 138870293632

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 79617

Divisors of 138870293632

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 1997 3994 7988 13979 15976 27958 31952 55916 63904 77611 111832 127808 155222 223664 255616 310444 447328 543277 620888 894656 1086554 1241776 1789312 2173108 2483552 4346216 4967104 8692432 9934208 17384864 34769728 69539456 154989167 309978334 619956668 1084924169 1239913336 2169848338 2479826672 4339696676 4959653344 8679393352 9919306688 17358786704 19838613376 34717573408 69435146816 138870293632
• Sum of all divisors σ(n): 316340303040
• Sum of proper divisors (its aliquot sum) s(n): 177470009408
• 138870293632 is an abundant number, because the sum of its proper divisors (177470009408) is greater than itself. Its abundance is 38599715776

Bases of 138870293632

• Binary: 10000001010101010100001000010010000000₂
• Hexadecimal: 0x2055508480
• Base-36: 1RSNSCCG

Squares and roots of 138870293632

• 138870293632 squared (138870293632²) is 19284958453437899751424
• 138870293632 cubed (138870293632³) is 2678107843109841738357630690131968
• The square root of 138870293632 is 372653.0472597803
• The cube root of 138870293632 is 5178.4897137945

Scales and comparisons

• 138,870,293,632 seconds is equal to 4,415 years, 33 weeks, 4 days, 1 hour, 33 minutes, 52 seconds.
• To count from 1 to 138,870,293,632 would take you about eight thousand, eight hundred thirty-one 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 138870293632 cubic inches would be around 431.5 feet tall.

Recreational maths with 138870293632

• 138870293632 backwards is 236392078831
• The number of decimal digits it has is: 12
• The sum of 138870293632's digits is 52
• More coming soon!