164185021
164,185,021 is an odd composite number composed of five prime numbers multiplied together.
164185021 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 164185021:
7 × 112 × 132 × 31 × 37
(7 × 11 × 11 × 13 × 13 × 31 × 37)See below for interesting mathematical facts about the number 164185021 from the Numbermatics database.
Names of 164185021
- Cardinal: 164185021 can be written as One hundred sixty-four million, one hundred eighty-five thousand and twenty-one.
Scientific notation
- Scientific notation: 1.64185021 × 108
Factors of 164185021
Divisors of 164185021
- Number of divisors d(n): 72
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Complete list of divisors:
1 7 11 13 31 37 77 91 121 143 169 217 259 341 403 407 481 847 1001 1147 1183 1573 1859 2387 2821 2849 3367 3751 4433 4477 5239 5291 6253 8029 11011 12617 13013 14911 20449 26257 31031 31339 36673 37037 43771 48763 57629 58201 68783 88319 104377 138787 143143 164021 193843 341341 403403 407407 481481 633919 756613 971509 1148147 1356901 1804231 2132273 4437433 5296291 12629617 14925911 23455003 164185021
- Sum of all divisors σ(n): 236769792
- Sum of proper divisors (its aliquot sum) s(n): 72584771
- 164185021 is a deficient number, because the sum of its proper divisors (72584771) is less than itself. Its deficiency is 91600250
Bases of 164185021
- Binary: 10011100100101000011101111012
- Hexadecimal: 0x9C943BD
- Base-36: 2PR1Z1
Squares and roots of 164185021
- 164185021 squared (1641850212) is 26956721120770441
- 164185021 cubed (1641850213) is 4425889823304838391764261
-
The
square root of 164185021 is 12813.4702949669 -
The
cube root of 164185021 is 547.5761336409
Scales and comparisons
How big is 164185021?- 164,185,021 seconds is equal to 5 years, 11 weeks, 3 days, 6 hours, 57 minutes, 1 second.
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To count from 1 to 164,185,021 would take you about seven 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 164185021 cubic inches would be around 45.6 feet tall.
Recreational maths with 164185021
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The information we have on file for 164185021 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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