997426399639864091

Names of 997426399639864091

• Cardinal: 997426399639864091 can be written as Nine hundred ninety-seven quadrillion, four hundred twenty-six trillion, three hundred ninety-nine billion, six hundred thirty-nine million, eight hundred sixty-four thousand and ninety-one.

Scientific notation

• Scientific notation: 9.97426399639864091 × 10¹⁷

Factors of 997426399639864091

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2940782

Divisors of 997426399639864091

• Number of divisors d(n): 16
• Complete list of divisors:
  1 17 48541 506683 825197 2385541 8613611 40554197 24594899503 115796545681 418113291551 1208713070503 1968541276577 20548122198551 58672141155286123 997426399639864091
• Sum of all divisors σ(n): 1056122824729366368
• Sum of proper divisors (its aliquot sum) s(n): 58696425089502277
• 997426399639864091 is a deficient number, because the sum of its proper divisors (58696425089502277) is less than itself. Its deficiency is 938729974550361814

Bases of 997426399639864091

• Binary: 110111010111100100100000011010100000001000011000001100011011₂
• Hexadecimal: 0xDD79206A021831B
• Base-36: 7KT25EBB3EHN

Squares and roots of 997426399639864091

• 997426399639864091 squared (997426399639864091²) is 994859422698541873680502672951256281
• 997426399639864091 cubed (997426399639864091³) is 992299052130000303793643920619657922134988006550105571
• The square root of 997426399639864091 is 998712370.8254865163
• The cube root of 997426399639864091 is 999141.3962238313

Scales and comparisons

• 997,426,399,639,864,091 seconds is equal to 31,715,074,266 years, 6 weeks, 2 days, 19 hours, 8 minutes, 11 seconds.
• To count from 1 to 997,426,399,639,864,091 would take you about ninety-five billion, one hundred forty-five million, two hundred twenty-two thousand, seven hundred ninety-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 997426399639864091 cubic inches would be around 83261.8 feet tall.

Recreational maths with 997426399639864091

• 997426399639864091 backwards is 190468936993624799
• The number of decimal digits it has is: 18
• The sum of 997426399639864091's digits is 104
• More coming soon!