989370642
989,370,642 is an even composite number composed of six prime numbers multiplied together.
989370642 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 989370642:
2 × 3 × 13 × 312 × 67 × 197
(2 × 3 × 13 × 31 × 31 × 67 × 197)See below for interesting mathematical facts about the number 989370642 from the Numbermatics database.
Names of 989370642
- Cardinal: 989370642 can be written as Nine hundred eighty-nine million, three hundred seventy thousand, six hundred forty-two.
Scientific notation
- Scientific notation: 9.89370642 × 108
Factors of 989370642
Divisors of 989370642
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 6 13 26 31 39 62 67 78 93 134 186 197 201 394 402 403 591 806 871 961 1182 1209 1742 1922 2077 2418 2561 2613 2883 4154 5122 5226 5766 6107 6231 7683 12214 12462 12493 13199 15366 18321 24986 26398 27001 36642 37479 39597 54002 64387 74958 79194 79391 81003 128774 158782 162006 171587 189317 193161 238173 343174 378634 386322 409169 476346 514761 567951 818338 837031 1029522 1135902 1227507 1674062 2455014 2461121 2511093 4922242 5022186 5319197 7383363 10638394 12684239 14766726 15957591 25368478 31915182 38052717 76105434 164895107 329790214 494685321 989370642
- Sum of all divisors σ(n): 2246118336
- Sum of proper divisors (its aliquot sum) s(n): 1256747694
- 989370642 is an abundant number, because the sum of its proper divisors (1256747694) is greater than itself. Its abundance is 267377052
Bases of 989370642
- Binary: 1110101111100010011001000100102
- Hexadecimal: 0x3AF89912
- Base-36: GD1N9U
Squares and roots of 989370642
- 989370642 squared (9893706422) is 978854267251492164
- 989370642 cubed (9893706423) is 968449674815048377754649288
-
The
square root of 989370642 is 31454.2626999903 -
The
cube root of 989370642 is 996.4442523105
Scales and comparisons
How big is 989370642?- 989,370,642 seconds is equal to 31 years, 23 weeks, 6 days, 1 hour, 10 minutes, 42 seconds.
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To count from 1 to 989,370,642 would take you about forty-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 989370642 cubic inches would be around 83 feet tall.
Recreational maths with 989370642
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