121538727200140972124

Names of 121538727200140972124

• Cardinal: 121538727200140972124 can be written as One hundred twenty-one quintillion, five hundred thirty-eight quadrillion, seven hundred twenty-seven trillion, two hundred billion, one hundred forty million, nine hundred seventy-two thousand, one hundred twenty-four.

Scientific notation

• Scientific notation: 1.21538727200140972124 × 10²⁰

Factors of 121538727200140972124

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 74175444027

Divisors of 121538727200140972124

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 13 26 52 31523599 63047198 126094396 409806787 819613574 1639227148 74143920413 148287840826 296575681652 963870965369 1927741930738 3855483861476 2337283215387326387 4674566430774652774 9349132861549305548 30384681800035243031 60769363600070486062 121538727200140972124
• Sum of all divisors σ(n): 229053762377151499200
• Sum of proper divisors (its aliquot sum) s(n): 107515035177010527076
• 121538727200140972124 is a deficient number, because the sum of its proper divisors (107515035177010527076) is less than itself. Its deficiency is 14023692023130445048

Bases of 121538727200140972124

• Binary: 1101001011010110000010011000111001011100001100000100101000001011100₂
• Hexadecimal: 0x696B04C72E182505C
• Base-36: PNE6Z30V87YVW

Squares and roots of 121538727200140972124

• 121538727200140972124 squared (121538727200140972124²) is 14771662209430286985043301018739745071376
• 121538727200140972124 cubed (121538727200140972124³) is 1795329023564579309889562163090303074404095298293130406322624
• The square root of 121538727200140972124 is 11024460404.0352456665
• The cube root of 121538727200140972124 is 4953417.0495291579

Scales and comparisons

• 121,538,727,200,140,972,124 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 121,538,727,200,140,972,124 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 121538727200140972124 cubic inches would be around 412784.8 feet tall.

Recreational maths with 121538727200140972124

• 121538727200140972124 backwards is 421279041002727835121
• The number of decimal digits it has is: 21
• The sum of 121538727200140972124's digits is 68
• More coming soon!