8440421976981

Names of 8440421976981

• Cardinal: 8440421976981 can be written as Eight trillion, four hundred forty billion, four hundred twenty-one million, nine hundred seventy-six thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 8.440421976981 × 10¹²

Factors of 8440421976981

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2773015

Divisors of 8440421976981

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 29 87 107 109 261 321 327 963 981 3103 3161 9309 9483 11663 27927 28449 34989 104967 338227 1014681 2772767 3044043 8318301 24954903 80410243 241230729 296686069 302231603 723692187 890058207 906694809 2670174621 2720084427 8603896001 8764716487 25811688003 26294149461 32338781521 77435064009 78882448383 97016344563 291049033689 937824664109 2813473992327 8440421976981
• Sum of all divisors σ(n): 12846788697600
• Sum of proper divisors (its aliquot sum) s(n): 4406366720619
• 8440421976981 is a deficient number, because the sum of its proper divisors (4406366720619) is less than itself. Its deficiency is 4034055256362

Bases of 8440421976981

• Binary: 1111010110100110000010110101000101110010101₂
• Hexadecimal: 0x7AD305A8B95
• Base-36: 2ZPH5BIJ9

Squares and roots of 8440421976981

• 8440421976981 squared (8440421976981²) is 71240723149503852493874361
• 8440421976981 cubed (8440421976981³) is 601301765327091399495622841263848084141
• The square root of 8440421976981 is 2905240.4335925451
• The cube root of 8440421976981 is 20360.4819171701

Scales and comparisons

• 8,440,421,976,981 seconds is equal to 268,379 years, 16 weeks, 1 day, 4 hours, 16 minutes, 21 seconds.
• To count from 1 to 8,440,421,976,981 would take you about six hundred seventy thousand, nine hundred forty-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 8440421976981 cubic inches would be around 1696.7 feet tall.

Recreational maths with 8440421976981

• 8440421976981 backwards is 1896791240448
• The number of decimal digits it has is: 13
• The sum of 8440421976981's digits is 63
• More coming soon!