121666025
121,666,025 is an odd composite number composed of five prime numbers multiplied together.
121666025 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 121666025:
52 × 13 × 17 × 192 × 61
(5 × 5 × 13 × 17 × 19 × 19 × 61)See below for interesting mathematical facts about the number 121666025 from the Numbermatics database.
Names of 121666025
- Cardinal: 121666025 can be written as One hundred twenty-one million, six hundred sixty-six thousand and twenty-five.
Scientific notation
- Scientific notation: 1.21666025 × 108
Factors of 121666025
Divisors of 121666025
- Number of divisors d(n): 72
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Complete list of divisors:
1 5 13 17 19 25 61 65 85 95 221 247 305 323 325 361 425 475 793 1037 1105 1159 1235 1525 1615 1805 3965 4199 4693 5185 5525 5795 6137 6175 8075 9025 13481 15067 19703 19825 20995 22021 23465 25925 28975 30685 67405 75335 79781 98515 104975 110105 117325 153425 256139 286273 337025 374357 376675 398905 492575 550525 1280695 1431365 1871785 1994525 4866641 6403475 7156825 9358925 24333205 121666025
- Sum of all divisors σ(n): 184535064
- Sum of proper divisors (its aliquot sum) s(n): 62869039
- 121666025 is a deficient number, because the sum of its proper divisors (62869039) is less than itself. Its deficiency is 58796986
Bases of 121666025
- Binary: 1110100000001111001111010012
- Hexadecimal: 0x74079E9
- Base-36: 20FQ3T
Squares and roots of 121666025
- 121666025 squared (1216660252) is 14802621639300625
- 121666025 cubed (1216660253) is 1800976134432690823765625
-
The
square root of 121666025 is 11030.2323184961 -
The
cube root of 121666025 is 495.5145823801
Scales and comparisons
How big is 121666025?- 121,666,025 seconds is equal to 3 years, 45 weeks, 1 day, 4 hours, 7 minutes, 5 seconds.
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To count from 1 to 121,666,025 would take you about 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 121666025 cubic inches would be around 41.3 feet tall.
Recreational maths with 121666025
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