989092728
989,092,728 is an even composite number composed of five prime numbers multiplied together.
989092728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 989092728:
23 × 33 × 13 × 19 × 18539
(2 × 2 × 2 × 3 × 3 × 3 × 13 × 19 × 18539)See below for interesting mathematical facts about the number 989092728 from the Numbermatics database.
Names of 989092728
- Cardinal: 989092728 can be written as Nine hundred eighty-nine million, ninety-two thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 9.89092728 × 108
Factors of 989092728
Divisors of 989092728
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 18 19 24 26 27 36 38 39 52 54 57 72 76 78 104 108 114 117 152 156 171 216 228 234 247 312 342 351 456 468 494 513 684 702 741 936 988 1026 1368 1404 1482 1976 2052 2223 2808 2964 4104 4446 5928 6669 8892 13338 17784 18539 26676 37078 53352 55617 74156 111234 148312 166851 222468 241007 333702 352241 444936 482014 500553 667404 704482 723021 964028 1001106 1056723 1334808 1408964 1446042 1928056 2002212 2113446 2169063 2817928 2892084 3170169 4004424 4226892 4338126 4579133 5784168 6340338 6507189 8453784 8676252 9158266 9510507 12680676 13014378 13737399 17352504 18316532 19021014 25361352 26028756 27474798 36633064 38042028 41212197 52057512 54949596 76084056 82424394 109899192 123636591 164848788 247273182 329697576 494546364 989092728
- Sum of all divisors σ(n): 3114720000
- Sum of proper divisors (its aliquot sum) s(n): 2125627272
- 989092728 is an abundant number, because the sum of its proper divisors (2125627272) is greater than itself. Its abundance is 1136534544
Bases of 989092728
- Binary: 1110101111010001011011011110002
- Hexadecimal: 0x3AF45B78
- Base-36: GCVOU0
Squares and roots of 989092728
- 989092728 squared (9890927282) is 978304424582481984
- 989092728 cubed (9890927283) is 967633792124757366565412352
-
The
square root of 989092728 is 31449.8446419057 -
The
cube root of 989092728 is 996.3509432479
Scales and comparisons
How big is 989092728?- 989,092,728 seconds is equal to 31 years, 23 weeks, 2 days, 19 hours, 58 minutes, 48 seconds.
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To count from 1 to 989,092,728 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 989092728 cubic inches would be around 83 feet tall.
Recreational maths with 989092728
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