121491662359888850689

Names of 121491662359888850689

• Cardinal: 121491662359888850689 can be written as One hundred twenty-one quintillion, four hundred ninety-one quadrillion, six hundred sixty-two trillion, three hundred fifty-nine billion, eight hundred eighty-eight million, eight hundred fifty thousand, six hundred eighty-nine.

Scientific notation

• Scientific notation: 1.21491662359888850689 × 10²⁰

Factors of 121491662359888850689

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 9996

Divisors of 121491662359888850689

• Number of divisors d(n): 54
• Complete list of divisors:
  1 11 71 121 781 1723 5041 8191 8591 18953 55451 90101 122333 208483 581561 609961 991111 1345663 6397171 8685643 14113093 14802293 41290831 67092481 70368881 95542073 155244023 454199141 738017291 1002029603 1050962803 1707684253 4763566151 4996190551 8118190201 11022325633 52399227661 71144101813 115600344763 121245581963 338213196721 576391504271 782585119943 1271603792393 3720345163931 8207624478173 8608436319373 13987641716323 40923796803241 90283869259903 582741337950283 993122561858933 6410154717453113 70511701891984243
• Sum of all divisors σ(n): 121499817473733473754
• Sum of proper divisors (its aliquot sum) s(n): 8155113844623065
• 121491662359888850689 is a deficient number, because the sum of its proper divisors (8155113844623065) is less than itself. Its deficiency is 121483507246044227624

Bases of 121491662359888850689

• Binary: 1101001011000001001000101110011100111010100110111101110111100000001₂
• Hexadecimal: 0x696091739D4DEEF01
• Base-36: PN1BJZNQO9TS1

Squares and roots of 121491662359888850689

• 121491662359888850689 squared (121491662359888850689²) is 14760224022969233340472895086249335774721
• 121491662359888850689 cubed (121491662359888850689³) is 1793244153354898392938429214090315590013660855955992109632769
• 121491662359888850689 is a perfect square number. Its square root is 11022325633
• The cube root of 121491662359888850689 is 4952777.5774125935

Scales and comparisons

• 121,491,662,359,888,850,689 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 121,491,662,359,888,850,689 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 121491662359888850689 cubic inches would be around 412731.5 feet tall.

Recreational maths with 121491662359888850689

• 121491662359888850689 backwards is 986058888953266194121
• The number of decimal digits it has is: 21
• The sum of 121491662359888850689's digits is 109
• More coming soon!