981123127242

Names of 981123127242

• Cardinal: 981123127242 can be written as Nine hundred eighty-one billion, one hundred twenty-three million, one hundred twenty-seven thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 9.81123127242 × 10¹¹

Factors of 981123127242

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 115978

Divisors of 981123127242

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 283 566 849 1698 5231 10462 15693 31386 110459 220918 331377 662754 1480373 2960746 4441119 8882238 31259897 62519794 93779691 187559382 577811029 1155622058 1733433087 3466866174 163520521207 327041042414 490561563621 981123127242
• Sum of all divisors σ(n): 1969574261760
• Sum of proper divisors (its aliquot sum) s(n): 988451134518
• 981123127242 is an abundant number, because the sum of its proper divisors (988451134518) is greater than itself. Its abundance is 7328007276

Bases of 981123127242

• Binary: 1110010001101111011111101101011111001010₂
• Hexadecimal: 0xE46F7ED7CA
• Base-36: CIPZDM16

Squares and roots of 981123127242

• 981123127242 squared (981123127242²) is 962602590809121722526564
• 981123127242 cubed (981123127242³) is 944431664185896791504696269097056488
• The square root of 981123127242 is 990516.5961466773
• The cube root of 981123127242 is 9936.6769563991

Scales and comparisons

• 981,123,127,242 seconds is equal to 31,196 years, 35 weeks, 2 days, 18 hours, 42 seconds.
• To count from 1 to 981,123,127,242 would take you about sixty-two thousand, three hundred ninety-three 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 981123127242 cubic inches would be around 828.1 feet tall.

Recreational maths with 981123127242

• 981123127242 backwards is 242721321189
• The number of decimal digits it has is: 12
• The sum of 981123127242's digits is 42
• More coming soon!