10128012138

Names of 10128012138

• Cardinal: 10128012138 can be written as Ten billion, one hundred twenty-eight million, twelve thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.0128012138 × 10¹⁰

Factors of 10128012138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2854

Divisors of 10128012138

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 18 43 86 113 129 226 258 339 387 678 774 1017 1849 2034 2693 3698 4859 5386 5547 8079 9718 11094 14577 16158 16641 24237 29154 33282 43731 48474 87462 115799 208937 231598 304309 347397 417874 608618 626811 694794 912927 1042191 1253622 1825854 1880433 2084382 2738781 3760866 4979357 5477562 9958714 13085287 14938071 26170574 29876142 39255861 44814213 78511722 89628426 117767583 235535166 562667341 1125334682 1688002023 3376004046 5064006069 10128012138
• Sum of all divisors σ(n): 22673452932
• Sum of proper divisors (its aliquot sum) s(n): 12545440794
• 10128012138 is an abundant number, because the sum of its proper divisors (12545440794) is greater than itself. Its abundance is 2417428656

Bases of 10128012138

• Binary: 1001011011101011010011001101101010₂
• Hexadecimal: 0x25BAD336A
• Base-36: 4NHYG6I

Squares and roots of 10128012138

• 10128012138 squared (10128012138²) is 102576629867475331044
• 10128012138 cubed (10128012138³) is 1038897352372923484229200212072
• The square root of 10128012138 is 100638.0253085283
• The cube root of 10128012138 is 2163.5888652887

Scales and comparisons

• 10,128,012,138 seconds is equal to 322 years, 2 weeks, 8 hours, 42 minutes, 18 seconds.
• To count from 1 to 10,128,012,138 would take you about six hundred forty-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 10128012138 cubic inches would be around 180.3 feet tall.

Recreational maths with 10128012138

• 10128012138 backwards is 83121082101
• The number of decimal digits it has is: 11
• The sum of 10128012138's digits is 27
• More coming soon!