31423949018

Names of 31423949018

• Cardinal: 31423949018 can be written as Thirty-one billion, four hundred twenty-three million, nine hundred forty-nine thousand and eighteen.

Scientific notation

• Scientific notation: 3.1423949018 × 10¹⁰

Factors of 31423949018

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 201

Divisors of 31423949018

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 7 11 14 22 49 77 98 121 154 181 242 362 539 847 1078 1267 1331 1694 1991 2534 2662 3982 5929 8869 9317 11858 13937 14641 17738 18634 21901 27874 29282 43802 65219 97559 102487 130438 153307 161051 195118 204974 240911 306614 322102 481822 717409 1073149 1127357 1434818 1686377 1771561 2146298 2254714 2650021 3372754 3543122 5300042 7891499 11804639 12400927 15782998 18550147 23609278 24801854 29150231 37100294 58300462 86806489 129851029 173612978 204051617 259702058 320652541 408103234 641305082 1428361319 2244567787 2856722638 4489135574 15711974509 31423949018
• Sum of all divisors σ(n): 60647970474
• Sum of proper divisors (its aliquot sum) s(n): 29224021456
• 31423949018 is a deficient number, because the sum of its proper divisors (29224021456) is less than itself. Its deficiency is 2199927562

Bases of 31423949018

• Binary: 11101010001000000110110100011011010₂
• Hexadecimal: 0x7510368DA
• Base-36: EFP0A8Q

Squares and roots of 31423949018

• 31423949018 squared (31423949018²) is 987464571885863164324
• 31423949018 cubed (31423949018³) is 31030036364022560190641532433832
• The square root of 31423949018 is 177268.0146501337
• The cube root of 31423949018 is 3155.6361350497

Scales and comparisons

• 31,423,949,018 seconds is equal to 999 years, 9 weeks, 4 days, 2 hours, 43 minutes, 38 seconds.
• To count from 1 to 31,423,949,018 would take you about one thousand, nine hundred ninety-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 31423949018 cubic inches would be around 263 feet tall.

Recreational maths with 31423949018

• 31423949018 backwards is 81094932413
• The number of decimal digits it has is: 11
• The sum of 31423949018's digits is 44
• More coming soon!