127129884021

Names of 127129884021

• Cardinal: 127129884021 can be written as One hundred twenty-seven billion, one hundred twenty-nine million, eight hundred eighty-four thousand and twenty-one.

Scientific notation

• Scientific notation: 1.27129884021 × 10¹¹

Factors of 127129884021

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 201514

Divisors of 127129884021

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 27 49 53 63 81 147 159 189 243 371 441 477 567 1113 1323 1431 1701 2597 3339 3969 4293 7791 10017 11907 12879 23373 30051 70119 90153 201451 210357 604353 631071 1410157 1813059 4230471 5439177 9871099 10676903 12691413 16317531 29613297 32030709 38074239 48952593 74738321 88839891 96092127 114222717 224214963 266519673 288276381 342668151 523168247 672644889 799559019 864829143 1569504741 2017934667 2398677057 2594487429 4708514223 6053804001 14125542669 18161412003 42376628007 127129884021
• Sum of all divisors σ(n): 225705209184
• Sum of proper divisors (its aliquot sum) s(n): 98575325163
• 127129884021 is a deficient number, because the sum of its proper divisors (98575325163) is less than itself. Its deficiency is 28554558858

Bases of 127129884021

• Binary: 1110110011001100010000001010101110101₂
• Hexadecimal: 0x1D99881575
• Base-36: 1MEHUMB9

Squares and roots of 127129884021

• 127129884021 squared (127129884021²) is 16162007411192911128441
• 127129884021 cubed (127129884021³) is 2054674127731497249016064564541261
• The square root of 127129884021 is 356552.7787312841
• The cube root of 127129884021 is 5028.2386688873

Scales and comparisons

• 127,129,884,021 seconds is equal to 4,042 years, 17 weeks, 3 days, 16 hours, 40 minutes, 21 seconds.
• To count from 1 to 127,129,884,021 would take you about eight thousand and eighty-four 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 127129884021 cubic inches would be around 419 feet tall.

Recreational maths with 127129884021

• 127129884021 backwards is 120488921721
• The number of decimal digits it has is: 12
• The sum of 127129884021's digits is 45
• More coming soon!