121777110645431987

Names of 121777110645431987

• Cardinal: 121777110645431987 can be written as One hundred twenty-one quadrillion, seven hundred seventy-seven trillion, one hundred ten billion, six hundred forty-five million, four hundred thirty-one thousand, nine hundred eighty-seven.

Scientific notation

• Scientific notation: 1.21777110645431987 × 10¹⁷

Factors of 121777110645431987

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 441026883

Divisors of 121777110645431987

• Number of divisors d(n): 32
• Complete list of divisors:
  1 19 37 53 703 1007 1961 7411 37259 140809 274207 392783 5209933 7462877 14532971 276126449 441019363 8379367897 16317716431 23374026239 310036612189 444106498541 864838970843 3268394499193 16431940446017 62099495484667 120930596470141 173224908457229 2297681332932679 3291273260687351 6409321612917473 121777110645431987
• Sum of all divisors σ(n): 134153009985726720
• Sum of proper divisors (its aliquot sum) s(n): 12375899340294733
• 121777110645431987 is a deficient number, because the sum of its proper divisors (12375899340294733) is less than itself. Its deficiency is 109401211305137254

Bases of 121777110645431987

• Binary: 110110000101000111010001100001101110010110101111010110011₂
• Hexadecimal: 0x1B0A3A30DCB5EB3
• Base-36: XB2DSBIGUYB

Squares and roots of 121777110645431987

• 121777110645431987 squared (121777110645431987²) is 14829664677149784573417589842768169
• 121777110645431987 cubed (121777110645431987³) is 1805913716223923741589875868060524413780466898021803
• The square root of 121777110645431987 is 348965772.8852959971
• The cube root of 121777110645431987 is 495665.3443071393

Scales and comparisons

• 121,777,110,645,431,987 seconds is equal to 3,872,135,437 years, 9 weeks, 5 days, 22 hours, 39 minutes, 47 seconds.
• To count from 1 to 121,777,110,645,431,987 would take you about eleven billion, six hundred sixteen million, four hundred six thousand, three hundred eleven 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 121777110645431987 cubic inches would be around 41305.4 feet tall.

Recreational maths with 121777110645431987

• 121777110645431987 backwards is 789134546011777121
• The number of decimal digits it has is: 18
• The sum of 121777110645431987's digits is 74
• More coming soon!