990436946989699673261

Names of 990436946989699673261

• Cardinal: 990436946989699673261 can be written as Nine hundred ninety quintillion, four hundred thirty-six quadrillion, nine hundred forty-six trillion, nine hundred eighty-nine billion, six hundred ninety-nine million, six hundred seventy-three thousand, two hundred sixty-one.

Scientific notation

• Scientific notation: 9.90436946989699673261 × 10²⁰

Factors of 990436946989699673261

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 203436

Divisors of 990436946989699673261

• Number of divisors d(n): 21
• Complete list of divisors:
  1 7 49 343 2401 16807 117649 203429 1424003 9968021 69776147 488433029 3419031203 23933218421 41383358041 289683506287 2027784544009 14194491808063 99361442656441 695530098595087 4868710690165609
• Sum of all divisors σ(n): 990437758462506332699
• Sum of proper divisors (its aliquot sum) s(n): 811472806659438
• 990436946989699673261 is a deficient number, because the sum of its proper divisors (811472806659438) is less than itself. Its deficiency is 990436135516893013823

Bases of 990436946989699673261

• Binary: 1101011011000100010010111000111011101000101111011100011010110010101101₂
• Hexadecimal: 0x35B112E3BA2F71ACAD
• Base-36: 5T0VIRR1R684VH

Squares and roots of 990436946989699673261

• 990436946989699673261 squared (990436946989699673261²) is 980965345962277160663150845064930158374121
• 990436946989699673261 cubed (990436946989699673261³) is 971584322357572304591991989263271791206878140747118536698078581
• The square root of 990436946989699673261 is 31471208222.5913225783
• 990436946989699673261 is a perfect cube number. Its cube root is 9968021

Scales and comparisons

• 990,436,946,989,699,673,261 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 990,436,946,989,699,673,261 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 990436946989699673261 cubic inches would be around 830668.4 feet tall.

Recreational maths with 990436946989699673261

• 990436946989699673261 backwards is 162376996989649634099
• The number of decimal digits it has is: 21
• The sum of 990436946989699673261's digits is 125
• More coming soon!