121772072721
121,772,072,721 is an odd composite number composed of four prime numbers multiplied together.
121772072721 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 121772072721:
3 × 132 × 195 × 97
(3 × 13 × 13 × 19 × 19 × 19 × 19 × 19 × 97)See below for interesting mathematical facts about the number 121772072721 from the Numbermatics database.
Names of 121772072721
- Cardinal: 121772072721 can be written as One hundred twenty-one billion, seven hundred seventy-two million, seventy-two thousand, seven hundred twenty-one.
Scientific notation
- Scientific notation: 1.21772072721 × 1011
Factors of 121772072721
Divisors of 121772072721
- Number of divisors d(n): 72
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Complete list of divisors:
1 3 13 19 39 57 97 169 247 291 361 507 741 1083 1261 1843 3211 3783 4693 5529 6859 9633 14079 16393 20577 23959 35017 49179 61009 71877 89167 105051 130321 183027 267501 311467 390963 455221 665323 934401 1159171 1365663 1694173 1995969 2476099 3477513 5082519 5917873 7428297 8649199 12641137 17753619 22024249 25947597 32189287 37923411 66072747 96567861 112439587 164334781 240181603 337318761 418460731 493004343 720544809 1255382193 2136352153 3122360839 6409056459 9367082517 40590690907 121772072721
- Sum of all divisors σ(n): 187493513760
- Sum of proper divisors (its aliquot sum) s(n): 65721441039
- 121772072721 is a deficient number, because the sum of its proper divisors (65721441039) is less than itself. Its deficiency is 56050631682
Bases of 121772072721
- Binary: 11100010110100010111001011111000100012
- Hexadecimal: 0x1C5A2E5F11
- Base-36: 1JXVY4NL
Squares and roots of 121772072721
- 121772072721 squared (1217720727212) is 14828437694768512343841
- 121772072721 cubed (1217720727213) is 1805689593306168886395192408461361
-
The
square root of 121772072721 is 348958.5544459399 -
The
cube root of 121772072721 is 4956.5850898051
Scales and comparisons
How big is 121772072721?- 121,772,072,721 seconds is equal to 3,871 years, 50 weeks, 4 days, 23 hours, 45 minutes, 21 seconds.
-
To count from 1 to 121,772,072,721 would take you about seven thousand, seven hundred forty-three 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 121772072721 cubic inches would be around 413 feet tall.
Recreational maths with 121772072721
- 121772072721 backwards is 127270277121
- 121772072721 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 121772072721's digits is 39
- More coming soon!
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