1990707378442182401

Names of 1990707378442182401

• Cardinal: 1990707378442182401 can be written as One quintillion, nine hundred ninety quadrillion, seven hundred seven trillion, three hundred seventy-eight billion, four hundred forty-two million, one hundred eighty-two thousand, four hundred one.

Scientific notation

• Scientific notation: 1.990707378442182401 × 10¹⁸

Factors of 1990707378442182401

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 7051000073

Divisors of 1990707378442182401

• Number of divisors d(n): 32
• Complete list of divisors:
  1 29 149 223 293 4321 6467 8497 33227 43657 65339 963583 1266053 1894831 9735511 282329819 7050999379 204478981991 1050598907471 1572372861517 2065942818047 30467368316659 45598812983993 59912341723363 234283556366033 307825479889003 460705248424481 6794223134614957 8926938916781087 13360452204309949 68645082015247669 1990707378442182401
• Sum of all divisors σ(n): 2089577768261760000
• Sum of proper divisors (its aliquot sum) s(n): 98870389819577599
• 1990707378442182401 is a deficient number, because the sum of its proper divisors (98870389819577599) is less than itself. Its deficiency is 1891836988622604802

Bases of 1990707378442182401

• Binary: 1101110100000011010011101000000111111110010111001111100000001₂
• Hexadecimal: 0x1BA069D03FCB9F01
• Base-36: F4HAVCL33WN5

Squares and roots of 1990707378442182401

• 1990707378442182401 squared (1990707378442182401²) is 3962915866584146420380434431754124801
• 1990707378442182401 cubed (1990707378442182401³) is 7889005855754655589730793922837549553739591324159827201
• The square root of 1990707378442182401 is 1410924299.3308260409
• The cube root of 1990707378442182401 is 1257966.6916588463

Scales and comparisons

• 1,990,707,378,442,182,401 seconds is equal to 63,298,336,972 years, 12 weeks, 3 days, 15 hours, 6 minutes, 41 seconds.
• To count from 1 to 1,990,707,378,442,182,401 would take you about two hundred twenty-one billion, five hundred forty-four million, one hundred seventy-nine thousand, four hundred two 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 1990707378442182401 cubic inches would be around 104830.6 feet tall.

Recreational maths with 1990707378442182401

• 1990707378442182401 backwards is 1042812448737070991
• The number of decimal digits it has is: 19
• The sum of 1990707378442182401's digits is 77
• More coming soon!