139418321128

Names of 139418321128

• Cardinal: 139418321128 can be written as One hundred thirty-nine billion, four hundred eighteen million, three hundred twenty-one thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.39418321128 × 10¹¹

Factors of 139418321128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 210678

Divisors of 139418321128

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 23 46 59 61 92 118 122 184 236 244 472 488 1357 1403 2714 2806 3599 5428 5612 7198 10856 11224 14396 28792 82777 165554 210533 331108 421066 662216 842132 1684264 4842259 9684518 12421447 12842513 19369036 24842894 25685026 38738072 49685788 51370052 99371576 102740104 285693281 295377799 571386562 590755598 757708267 1142773124 1181511196 1515416534 2285546248 2363022392 3030833068 6061666136 17427290141 34854580282 69709160564 139418321128
• Sum of all divisors σ(n): 281947132800
• Sum of proper divisors (its aliquot sum) s(n): 142528811672
• 139418321128 is an abundant number, because the sum of its proper divisors (142528811672) is greater than itself. Its abundance is 3110490544

Bases of 139418321128

• Binary: 10000001110101111110101100000011101000₂
• Hexadecimal: 0x2075FAC0E8
• Base-36: 1S1Q2H2G

Squares and roots of 139418321128

• 139418321128 squared (139418321128²) is 19437468266150131192384
• 139418321128 cubed (139418321128³) is 2709939192645428362839122059889152
• The square root of 139418321128 is 373387.6285149255
• The cube root of 139418321128 is 5185.2927760255

Scales and comparisons

• 139,418,321,128 seconds is equal to 4,433 years, 3 weeks, 4 days, 23 hours, 25 minutes, 28 seconds.
• To count from 1 to 139,418,321,128 would take you about eight thousand, eight hundred sixty-six 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 139418321128 cubic inches would be around 432.1 feet tall.

Recreational maths with 139418321128

• 139418321128 backwards is 821123814931
• The number of decimal digits it has is: 12
• The sum of 139418321128's digits is 43
• More coming soon!