31105443894

Names of 31105443894

• Cardinal: 31105443894 can be written as Thirty-one billion, one hundred five million, four hundred forty-three thousand, eight hundred ninety-four.

Scientific notation

• Scientific notation: 3.1105443894 × 10¹⁰

Factors of 31105443894

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 38979284

Divisors of 31105443894

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 38979253 77958506 116937759 233875518 272854771 545709542 740605807 818564313 1481211614 1637128626 2221817421 4443634842 5184240649 10368481298 15552721947 31105443894
• Sum of all divisors σ(n): 74840167680
• Sum of proper divisors (its aliquot sum) s(n): 43734723786
• 31105443894 is an abundant number, because the sum of its proper divisors (43734723786) is greater than itself. Its abundance is 12629279892

Bases of 31105443894

• Binary: 11100111110000001110110100000110110₂
• Hexadecimal: 0x73E076836
• Base-36: EAFDM46

Squares and roots of 31105443894

• 31105443894 squared (31105443894²) is 967548639842781883236
• 31105443894 cubed (31105443894³) is 30096029931345664849877057160984
• The square root of 31105443894 is 176367.3549555021
• The cube root of 31105443894 is 3144.9383357851

Scales and comparisons

• 31,105,443,894 seconds is equal to 989 years, 2 weeks, 6 days, 17 hours, 4 minutes, 54 seconds.
• To count from 1 to 31,105,443,894 would take you about one thousand, nine hundred seventy-eight 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 31105443894 cubic inches would be around 262.1 feet tall.

Recreational maths with 31105443894

• 31105443894 backwards is 49834450113
• 31105443894 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31105443894's digits is 42
• More coming soon!