87431392142

Names of 87431392142

• Cardinal: 87431392142 can be written as Eighty-seven billion, four hundred thirty-one million, three hundred ninety-two thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 8.7431392142 × 10¹⁰

Factors of 87431392142

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 332

Divisors of 87431392142

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 19 38 47 94 113 151 226 302 361 722 893 1786 2147 2869 4294 5311 5738 7097 10622 14194 16967 17063 22801 33934 34126 40793 45602 54511 81586 100909 109022 134843 201818 269686 324197 433219 648394 801961 866438 1071647 1603922 1917271 2143294 2562017 2576513 3834542 5124034 5153026 6159743 8231161 12319486 15237259 16462322 20361293 30474518 40722586 48953747 97907494 121096111 242192222 289507921 386864567 579015842 773729134 930121193 1860242386 2300826109 4601652218 43715696071 87431392142
• Sum of all divisors σ(n): 143559446688
• Sum of proper divisors (its aliquot sum) s(n): 56128054546
• 87431392142 is a deficient number, because the sum of its proper divisors (56128054546) is less than itself. Its deficiency is 31303337596

Bases of 87431392142

• Binary: 1010001011011010100010010101110001110₂
• Hexadecimal: 0x145B512B8E
• Base-36: 145YE5XQ

Squares and roots of 87431392142

• 87431392142 squared (87431392142²) is 7644248331888179348164
• 87431392142 cubed (87431392142³) is 668347273536144771883752631727288
• The square root of 87431392142 is 295687.9979674521
• The cube root of 87431392142 is 4438.3593778535

Scales and comparisons

• 87,431,392,142 seconds is equal to 2,780 years, 2 weeks, 3 days, 9 hours, 49 minutes, 2 seconds.
• To count from 1 to 87,431,392,142 would take you about five thousand, five hundred sixty 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 87431392142 cubic inches would be around 369.9 feet tall.

Recreational maths with 87431392142

• 87431392142 backwards is 24129313478
• The number of decimal digits it has is: 11
• The sum of 87431392142's digits is 44
• More coming soon!