389408868
389,408,868 is an even composite number composed of six prime numbers multiplied together.
389408868 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 389408868:
22 × 32 × 17 × 29 × 37 × 593
(2 × 2 × 3 × 3 × 17 × 29 × 37 × 593)See below for interesting mathematical facts about the number 389408868 from the Numbermatics database.
Names of 389408868
- Cardinal: 389408868 can be written as Three hundred eighty-nine million, four hundred eight thousand, eight hundred sixty-eight.
Scientific notation
- Scientific notation: 3.89408868 × 108
Factors of 389408868
Divisors of 389408868
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 6 9 12 17 18 29 34 36 37 51 58 68 74 87 102 111 116 148 153 174 204 222 261 306 333 348 444 493 522 593 612 629 666 986 1044 1073 1186 1258 1332 1479 1779 1887 1972 2146 2372 2516 2958 3219 3558 3774 4292 4437 5337 5661 5916 6438 7116 7548 8874 9657 10081 10674 11322 12876 17197 17748 18241 19314 20162 21348 21941 22644 30243 34394 36482 38628 40324 43882 51591 54723 60486 65823 68788 72964 87764 90729 103182 109446 120972 131646 154773 164169 181458 197469 206364 218892 263292 292349 309546 328338 362916 372997 394938 584698 619092 636289 656676 745994 789876 877047 1118991 1169396 1272578 1491988 1754094 1908867 2237982 2545156 2631141 3356973 3508188 3817734 4475964 5262282 5726601 6713946 7635468 10524564 10816913 11453202 13427892 21633826 22906404 32450739 43267652 64901478 97352217 129802956 194704434 389408868
- Sum of all divisors σ(n): 1109188080
- Sum of proper divisors (its aliquot sum) s(n): 719779212
- 389408868 is an abundant number, because the sum of its proper divisors (719779212) is greater than itself. Its abundance is 330370344
Bases of 389408868
- Binary: 101110011010111101000011001002
- Hexadecimal: 0x1735E864
- Base-36: 6FUDT0
Squares and roots of 389408868
- 389408868 squared (3894088682) is 151639266477041424
- 389408868 cubed (3894088683) is 59049675103175048908948032
-
The
square root of 389408868 is 19733.4454163483 -
The
cube root of 389408868 is 730.2450343989
Scales and comparisons
How big is 389408868?- 389,408,868 seconds is equal to 12 years, 19 weeks, 6 days, 1 hour, 7 minutes, 48 seconds.
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To count from 1 to 389,408,868 would take you about eighteen 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 389408868 cubic inches would be around 60.9 feet tall.
Recreational maths with 389408868
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