997431721135051225

Names of 997431721135051225

• Cardinal: 997431721135051225 can be written as Nine hundred ninety-seven quadrillion, four hundred thirty-one trillion, seven hundred twenty-one billion, one hundred thirty-five million, fifty-one thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 9.97431721135051225 × 10¹⁷

Factors of 997431721135051225

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 503533

Divisors of 997431721135051225

• Number of divisors d(n): 27
• Complete list of divisors:
  1 5 25 397 1985 9925 157609 503131 788045 2515655 3940225 12578275 199743007 998715035 4993575175 79297973779 253140803161 396489868895 1265704015805 1982449344475 6328520079025 100496898854917 502484494274585 2512422471372925 39897268845402049 199486344227010245 997431721135051225
• Sum of all divisors σ(n): 1239941049886579581
• Sum of proper divisors (its aliquot sum) s(n): 242509328751528356
• 997431721135051225 is a deficient number, because the sum of its proper divisors (242509328751528356) is less than itself. Its deficiency is 754922392383522869

Bases of 997431721135051225

• Binary: 110111010111100101101101110110100001111101100001000111011001₂
• Hexadecimal: 0xDD796DDA1F611D9
• Base-36: 7KT41AZ3XJVD

Squares and roots of 997431721135051225

• 997431721135051225 squared (997431721135051225²) is 994870038326430592568055283374000625
• 997431721135051225 cubed (997431721135051225³) is 992314934633626043123986592322663891936206542557015625
• 997431721135051225 is a perfect square number. Its square root is 998715035
• The cube root of 997431721135051225 is 999143.1731023651

Scales and comparisons

• 997,431,721,135,051,225 seconds is equal to 31,715,243,473 years, 10 weeks, 6 days, 6 hours, 40 minutes, 25 seconds.
• To count from 1 to 997,431,721,135,051,225 would take you about ninety-five billion, one hundred forty-five million, seven hundred thirty thousand, four hundred nineteen 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 997431721135051225 cubic inches would be around 83261.9 feet tall.

Recreational maths with 997431721135051225

• 997431721135051225 backwards is 522150531127134799
• The number of decimal digits it has is: 18
• The sum of 997431721135051225's digits is 67
• More coming soon!