31356900489

Names of 31356900489

• Cardinal: 31356900489 can be written as Thirty-one billion, three hundred fifty-six million, nine hundred thousand, four hundred eighty-nine.

Scientific notation

• Scientific notation: 3.1356900489 × 10¹⁰

Factors of 31356900489

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 211

Divisors of 31356900489

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 31 37 61 79 93 111 183 237 961 1147 1891 2257 2449 2883 2923 3441 3721 4819 5673 6771 7347 8769 11163 14457 35557 58621 69967 75919 90613 106671 115351 137677 149389 175863 178303 209901 227757 271839 293959 346053 413031 448167 534909 881877 2168977 2809003 3575881 4267987 4631059 5527393 6506931 8427009 9112729 10727643 10876483 12803961 13893177 16582179 27338187 32629449 132307597 171349183 282494599 337170973 396922791 514047549 847483797 1011512919 10452300163 31356900489
• Sum of all divisors σ(n): 45679271040
• Sum of proper divisors (its aliquot sum) s(n): 14322370551
• 31356900489 is a deficient number, because the sum of its proper divisors (14322370551) is less than itself. Its deficiency is 17034529938

Bases of 31356900489

• Binary: 11101001101000001000101010010001001₂
• Hexadecimal: 0x74D045489
• Base-36: EEL379L

Squares and roots of 31356900489

• 31356900489 squared (31356900489²) is 983255208277048439121
• 31356900489 cubed (31356900489³) is 30831835721234377048149971630169
• The square root of 31356900489 is 177078.7974010441
• The cube root of 31356900489 is 3153.3901684353

Scales and comparisons

• 31,356,900,489 seconds is equal to 997 years, 2 weeks, 5 days, 2 hours, 8 minutes, 9 seconds.
• To count from 1 to 31,356,900,489 would take you about one thousand, nine hundred ninety-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 31356900489 cubic inches would be around 262.8 feet tall.

Recreational maths with 31356900489

• 31356900489 backwards is 98400965313
• The number of decimal digits it has is: 11
• The sum of 31356900489's digits is 48
• More coming soon!