309086642139

Names of 309086642139

• Cardinal: 309086642139 can be written as Three hundred nine billion, eighty-six million, six hundred forty-two thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 3.09086642139 × 10¹¹

Factors of 309086642139

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 250

Divisors of 309086642139

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 11 33 79 121 157 237 363 471 869 1331 1727 2607 3993 5181 6241 9559 12403 18723 18997 28677 37209 56991 68651 105149 136433 205953 208967 315447 409299 493039 626901 755161 979837 1479117 1500763 2265483 2939511 4502289 5423429 8306771 10778207 16270287 16508393 24920313 32334621 49525179 59657719 77407123 118560277 178973157 232221369 355680831 656234909 851478353 1304163047 1968704727 2554435059 3912489141 9366261883 28098785649 103028880713 309086642139
• Sum of all divisors σ(n): 462031841280
• Sum of proper divisors (its aliquot sum) s(n): 152945199141
• 309086642139 is a deficient number, because the sum of its proper divisors (152945199141) is less than itself. Its deficiency is 156141442998

Bases of 309086642139

• Binary: 100011111110110111111111101111111011011₂
• Hexadecimal: 0x47F6FFDFDB
• Base-36: 3XZQ7FFF

Squares and roots of 309086642139

• 309086642139 squared (309086642139²) is 95534552348762250495321
• 309086642139 cubed (309086642139³) is 29528453993731439638439557420931619
• The square root of 309086642139 is 555955.6116624779
• The cube root of 309086642139 is 6761.2461241273

Scales and comparisons

• 309,086,642,139 seconds is equal to 9,827 years, 51 weeks, 6 days, 16 hours, 35 minutes, 39 seconds.
• To count from 1 to 309,086,642,139 would take you about nineteen thousand, six hundred fifty-five 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 309086642139 cubic inches would be around 563.4 feet tall.

Recreational maths with 309086642139

• 309086642139 backwards is 931246680903
• The number of decimal digits it has is: 12
• The sum of 309086642139's digits is 51
• More coming soon!