127121972162742988451

Names of 127121972162742988451

• Cardinal: 127121972162742988451 can be written as One hundred twenty-seven quintillion, one hundred twenty-one quadrillion, nine hundred seventy-two trillion, one hundred sixty-two billion, seven hundred forty-two million, nine hundred eighty-eight thousand, four hundred fifty-one.

Scientific notation

• Scientific notation: 1.27121972162742988451 × 10²⁰

Factors of 127121972162742988451

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 7229741666

Divisors of 127121972162742988451

• Number of divisors d(n): 16
• Complete list of divisors:
  1 163 3643 29611 593809 4826593 107872873 7229708249 17583278299 1178442444587 26337827151107 214078890961139 4293065825630441 34894859226665657 779889399771429377 127121972162742988451
• Sum of all divisors σ(n): 127941291107653584000
• Sum of proper divisors (its aliquot sum) s(n): 819318944910595549
• 127121972162742988451 is a deficient number, because the sum of its proper divisors (819318944910595549) is less than itself. Its deficiency is 126302653217832392902

Bases of 127121972162742988451

• Binary: 1101110010000101011111110000010100100110011011001000010111010100011₂
• Hexadecimal: 0x6E42BF82933642EA3
• Base-36: QTT9U8RQGF4WZ

Squares and roots of 127121972162742988451

• 127121972162742988451 squared (127121972162742988451²) is 16159995806545203268613971033962319379401
• 127121972162742988451 cubed (127121972162742988451³) is 2054290537069682757559848150341659951960649570303030430297851
• The square root of 127121972162742988451 is 11274838010.4879107063
• The cube root of 127121972162742988451 is 5028134.3568359777

Scales and comparisons

• 127,121,972,162,742,988,451 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 127,121,972,162,742,988,451 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 127121972162742988451 cubic inches would be around 419011.2 feet tall.

Recreational maths with 127121972162742988451

• 127121972162742988451 backwards is 154889247261279121721
• The number of decimal digits it has is: 21
• The sum of 127121972162742988451's digits is 89
• More coming soon!