641742129
641,742,129 is an odd composite number composed of five prime numbers multiplied together.
641742129 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 641742129:
33 × 7 × 172 × 31 × 379
(3 × 3 × 3 × 7 × 17 × 17 × 31 × 379)See below for interesting mathematical facts about the number 641742129 from the Numbermatics database.
Names of 641742129
- Cardinal: 641742129 can be written as Six hundred forty-one million, seven hundred forty-two thousand, one hundred twenty-nine.
Scientific notation
- Scientific notation: 6.41742129 × 108
Factors of 641742129
Divisors of 641742129
- Number of divisors d(n): 96
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Complete list of divisors:
1 3 7 9 17 21 27 31 51 63 93 119 153 189 217 279 289 357 379 459 527 651 837 867 1071 1137 1581 1953 2023 2601 2653 3213 3411 3689 4743 5859 6069 6443 7803 7959 8959 10233 11067 11749 14229 18207 19329 23877 26877 33201 35247 45101 54621 57987 62713 71631 80631 82243 99603 105741 109531 135303 173961 188139 199733 241893 246729 317223 328593 405909 564417 599199 740187 766717 985779 1217727 1398131 1693251 1797597 2220561 2300151 2957337 3395461 4194393 5392791 6900453 10186383 12583179 20701359 23768227 30559149 37749537 71304681 91677447 213914043 641742129
- Sum of all divisors σ(n): 1194598400
- Sum of proper divisors (its aliquot sum) s(n): 552856271
- 641742129 is a deficient number, because the sum of its proper divisors (552856271) is less than itself. Its deficiency is 88885858
Bases of 641742129
- Binary: 1001100100000000110101001100012
- Hexadecimal: 0x26403531
- Base-36: AM2RE9
Squares and roots of 641742129
- 641742129 squared (6417421292) is 411832960133452641
- 641742129 cubed (6417421293) is 264290560628414021956012689
-
The
square root of 641742129 is 25332.6297292641 -
The
cube root of 641742129 is 862.5551057421
Scales and comparisons
How big is 641742129?- 641,742,129 seconds is equal to 20 years, 21 weeks, 13 hours, 42 minutes, 9 seconds.
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To count from 1 to 641,742,129 would take you about thirty 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 641742129 cubic inches would be around 71.9 feet tall.
Recreational maths with 641742129
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