121638171136

Names of 121638171136

• Cardinal: 121638171136 can be written as One hundred twenty-one billion, six hundred thirty-eight million, one hundred seventy-one thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 1.21638171136 × 10¹¹

Factors of 121638171136

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 428

Divisors of 121638171136

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 32 64 89 128 178 256 337 356 512 674 712 1348 1424 2696 2848 5392 5696 7921 10784 11392 15842 21568 22784 29993 31684 43136 45568 59986 63368 86272 119972 126736 172544 239944 253472 479888 506944 704969 959776 1013888 1409938 1919552 2027776 2669377 2819876 3839104 4055552 5338754 5639752 7678208 10677508 11279504 15356416 21355016 22559008 42710032 45118016 85420064 90236032 170840128 180472064 237574553 341680256 360944128 475149106 683360512 950298212 1366721024 1900596424 3801192848 7602385696 15204771392 30409542784 60819085568 121638171136
• Sum of all divisors σ(n): 246529946520
• Sum of proper divisors (its aliquot sum) s(n): 124891775384
• 121638171136 is an abundant number, because the sum of its proper divisors (124891775384) is greater than itself. Its abundance is 3253604248

Bases of 121638171136

• Binary: 1110001010010001100110011001000000000₂
• Hexadecimal: 0x1C52333200
• Base-36: 1JVO85J4

Squares and roots of 121638171136

• 121638171136 squared (121638171136²) is 14795844677310823530496
• 121638171136 cubed (121638171136³) is 1799739486960408648867568162963456
• The square root of 121638171136 is 348766.6428086265
• The cube root of 121638171136 is 4954.7676560765

Scales and comparisons

• 121,638,171,136 seconds is equal to 3,867 years, 37 weeks, 2 days, 4 hours, 52 minutes, 16 seconds.
• To count from 1 to 121,638,171,136 would take you about seven thousand, seven hundred thirty-five 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 121638171136 cubic inches would be around 412.9 feet tall.

Recreational maths with 121638171136

• 121638171136 backwards is 631171836121
• The number of decimal digits it has is: 12
• The sum of 121638171136's digits is 40
• More coming soon!