399684392121445210946

Names of 399684392121445210946

• Cardinal: 399684392121445210946 can be written as Three hundred ninety-nine quintillion, six hundred eighty-four quadrillion, three hundred ninety-two trillion, one hundred twenty-one billion, four hundred forty-five million, two hundred ten thousand, nine hundred forty-six.

Scientific notation

• Scientific notation: 3.99684392121445210946 × 10²⁰

Factors of 399684392121445210946

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 358

Divisors of 399684392121445210946

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 73 146 283 566 5329 10658 20659 41318 80089 160178 389017 778034 1508107 3016214 5846497 11692994 22665187 45330374 110091811 220183622 426794281 853588562 1654558651 3309117302 6414247921 12828495842 31155982513 62311965026 120782781523 241565563046 468240098233 936480196466 1815232161643 3630464323286 8817143051179 17634286102358 34181527171009 68363054342018 132511947799939 265023895599878 513710701744969 1027421403489938 2495251483483657 4990502966967314 9673372189395547 19346744378791094 37500881227382737 75001762454765474 706156169825874931 1412312339651749862 2737564329598939801 5475128659197879602 199842196060722605473 399684392121445210946
• Sum of all divisors σ(n): 610008833191244043180
• Sum of proper divisors (its aliquot sum) s(n): 210324441069798832234
• 399684392121445210946 is a deficient number, because the sum of its proper divisors (210324441069798832234) is less than itself. Its deficiency is 189359951051646378712

Bases of 399684392121445210946

• Binary: 101011010101010111100001101010000010000001010101011010101101101000010₂
• Hexadecimal: 0x15AABC35040AAD5B42
• Base-36: 2CCM4KE5AHBV42

Squares and roots of 399684392121445210946

• 399684392121445210946 squared (399684392121445210946²) is 159747613305489174611276448925718438214916
• 399684392121445210946 cubed (399684392121445210946³) is 63848627716856133613095032983180723031223937604684141303670536
• The square root of 399684392121445210946 is 19992108246.0416167821
• The cube root of 399684392121445210946 is 7366124.6384472263
• Being both a perfect square and a perfect cube, 399684392121445210946 is also a perfect sixth number.

Scales and comparisons

• 399,684,392,121,445,210,946 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 399,684,392,121,445,210,946 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 399684392121445210946 cubic inches would be around 613843.7 feet tall.

Recreational maths with 399684392121445210946

• 399684392121445210946 backwards is 649012544121293486993
• The number of decimal digits it has is: 21
• The sum of 399684392121445210946's digits is 92
• More coming soon!