400346668665

Names of 400346668665

• Cardinal: 400346668665 can be written as Four hundred billion, three hundred forty-six million, six hundred sixty-eight thousand, six hundred sixty-five.

Scientific notation

• Scientific notation: 4.00346668665 × 10¹¹

Factors of 400346668665

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1418

Divisors of 400346668665

• Number of divisors d(n): 84
• Complete list of divisors:
  1 3 5 9 15 27 45 81 135 243 317 405 729 951 1093 1215 1585 2853 3279 3645 4755 5465 8559 9837 14265 16395 25677 29511 42795 49185 77031 88533 100489 128385 147555 231093 265599 301467 346481 385155 442665 502445 796797 904401 1039443 1155465 1327995 1507335 1732405 2713203 3118329 3983985 4522005 5197215 8139609 9354987 13566015 15591645 24418827 28064961 40698045 46774935 73256481 84194883 109834477 122094135 140324805 252584649 329503431 366282405 420974415 549172385 988510293 1262923245 1647517155 2965530879 4942551465 8896592637 14827654395 26689777911 44482963185 80069333733 133448889555 400346668665
• Sum of all divisors σ(n): 723234982764
• Sum of proper divisors (its aliquot sum) s(n): 322888314099
• 400346668665 is a deficient number, because the sum of its proper divisors (322888314099) is less than itself. Its deficiency is 77458354566

Bases of 400346668665

• Binary: 101110100110110100001010101111001111001₂
• Hexadecimal: 0x5D36855E79
• Base-36: 53X02IK9

Squares and roots of 400346668665

• 400346668665 squared (400346668665²) is 160277455111163292882225
• 400346668665 cubed (400346668665³) is 64166545215858301558230484942979625
• The square root of 400346668665 is 632729.5383218647
• The cube root of 400346668665 is 7370.1909464571

Scales and comparisons

• 400,346,668,665 seconds is equal to 12,729 years, 40 weeks, 5 days, 23 hours, 57 minutes, 45 seconds.
• To count from 1 to 400,346,668,665 would take you about twenty-five thousand, four hundred fifty-nine 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 400346668665 cubic inches would be around 614.2 feet tall.

Recreational maths with 400346668665

• 400346668665 backwards is 566866643004
• The number of decimal digits it has is: 12
• The sum of 400346668665's digits is 54
• More coming soon!