309531901442

Names of 309531901442

• Cardinal: 309531901442 can be written as Three hundred nine billion, five hundred thirty-one million, nine hundred one thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 3.09531901442 × 10¹¹

Factors of 309531901442

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 900

Divisors of 309531901442

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 37 67 74 134 151 302 643 1286 2479 4958 5587 10117 11174 20234 23791 43081 47582 86162 97093 194186 374329 413449 748658 826898 1593997 3187994 3592441 6505231 7184882 13010462 15297613 27701083 30595226 55402166 62430799 124861598 240693547 481387094 1024940071 2049880142 2309939563 4182863533 4619879126 8365727066 154765950721 309531901442
• Sum of all divisors σ(n): 487927438272
• Sum of proper divisors (its aliquot sum) s(n): 178395536830
• 309531901442 is a deficient number, because the sum of its proper divisors (178395536830) is less than itself. Its deficiency is 131136364612

Bases of 309531901442

• Binary: 100100000010001100010011111111000000010₂
• Hexadecimal: 0x481189FE02
• Base-36: 3Y73AVPE

Squares and roots of 309531901442

• 309531901442 squared (309531901442²) is 95809998010300001679364
• 309531901442 cubed (309531901442³) is 29656250861282396220669332133242888
• The square root of 309531901442 is 556355.9125613747
• The cube root of 309531901442 is 6764.4912371713

Scales and comparisons

• 309,531,901,442 seconds is equal to 9,842 years, 8 weeks, 1 day, 3 hours, 44 minutes, 2 seconds.
• To count from 1 to 309,531,901,442 would take you about nineteen thousand, six hundred eighty-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 309531901442 cubic inches would be around 563.7 feet tall.

Recreational maths with 309531901442

• 309531901442 backwards is 244109135903
• The number of decimal digits it has is: 12
• The sum of 309531901442's digits is 41
• More coming soon!