642733496376445994

Names of 642733496376445994

• Cardinal: 642733496376445994 can be written as Six hundred forty-two quadrillion, seven hundred thirty-three trillion, four hundred ninety-six billion, three hundred seventy-six million, four hundred forty-five thousand, nine hundred ninety-four.

Scientific notation

• Scientific notation: 6.42733496376445994 × 10¹⁷

Factors of 642733496376445994

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 106401686

Divisors of 642733496376445994

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 13 26 12791 18169 25582 36338 166283 236197 332566 472394 106370711 212741422 232399679 464799358 1382819243 2765638486 3021195827 6042391654 1360587764401 1932649448159 2721175528802 3865298896318 17687640937213 25124442826067 35375281874426 50248885652134 24720519091401769 49441038182803538 321366748188222997 642733496376445994
• Sum of all divisors σ(n): 1038400132031458560
• Sum of proper divisors (its aliquot sum) s(n): 395666635655012566
• 642733496376445994 is a deficient number, because the sum of its proper divisors (395666635655012566) is less than itself. Its deficiency is 247066860721433428

Bases of 642733496376445994

• Binary: 100011101011011100101011010110101000110000110100110000101010₂
• Hexadecimal: 0x8EB72B5A8C34C2A
• Base-36: 4VSM0C0NFKFE

Squares and roots of 642733496376445994

• 642733496376445994 squared (642733496376445994²) is 413106347364290915699341634398648036
• 642733496376445994 cubed (642733496376445994³) is 265517287016753315369738907441005776558597508168167784
• The square root of 642733496376445994 is 801706614.9012654829
• The cube root of 642733496376445994 is 862999.0374527973

Scales and comparisons

• 642,733,496,376,445,994 seconds is equal to 20,436,937,079 years, 27 weeks, 4 days, 14 hours, 33 minutes, 14 seconds.
• To count from 1 to 642,733,496,376,445,994 would take you about sixty-one billion, three hundred ten million, eight hundred eleven thousand, two hundred thirty-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 642733496376445994 cubic inches would be around 71916.6 feet tall.

Recreational maths with 642733496376445994

• 642733496376445994 backwards is 499544673694337246
• The number of decimal digits it has is: 18
• The sum of 642733496376445994's digits is 95
• More coming soon!