389940432
389,940,432 is an even composite number composed of five prime numbers multiplied together.
389940432 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 389940432:
24 × 3 × 72 × 317 × 523
(2 × 2 × 2 × 2 × 3 × 7 × 7 × 317 × 523)See below for interesting mathematical facts about the number 389940432 from the Numbermatics database.
Names of 389940432
- Cardinal: 389940432 can be written as Three hundred eighty-nine million, nine hundred forty thousand, four hundred thirty-two.
Scientific notation
- Scientific notation: 3.89940432 × 108
Factors of 389940432
Divisors of 389940432
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 84 98 112 147 168 196 294 317 336 392 523 588 634 784 951 1046 1176 1268 1569 1902 2092 2219 2352 2536 3138 3661 3804 4184 4438 5072 6276 6657 7322 7608 8368 8876 10983 12552 13314 14644 15216 15533 17752 21966 25104 25627 26628 29288 31066 35504 43932 46599 51254 53256 58576 62132 76881 87864 93198 102508 106512 124264 153762 165791 175728 186396 205016 248528 307524 331582 372792 410032 497373 615048 663164 745584 994746 1160537 1230096 1326328 1989492 2321074 2652656 3481611 3978984 4642148 6963222 7957968 8123759 9284296 13926444 16247518 18568592 24371277 27852888 32495036 48742554 55705776 64990072 97485108 129980144 194970216 389940432
- Sum of all divisors σ(n): 1177754976
- Sum of proper divisors (its aliquot sum) s(n): 787814544
- 389940432 is an abundant number, because the sum of its proper divisors (787814544) is greater than itself. Its abundance is 397874112
Bases of 389940432
- Binary: 101110011111000000100110100002
- Hexadecimal: 0x173E04D0
- Base-36: 6G5RYO
Squares and roots of 389940432
- 389940432 squared (3899404322) is 152053540508346624
- 389940432 cubed (3899404323) is 59291823272954182168301568
-
The
square root of 389940432 is 19746.9094290727 -
The
cube root of 389940432 is 730.5771578747
Scales and comparisons
How big is 389940432?- 389,940,432 seconds is equal to 12 years, 20 weeks, 5 days, 4 hours, 47 minutes, 12 seconds.
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To count from 1 to 389,940,432 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 389940432 cubic inches would be around 60.9 feet tall.
Recreational maths with 389940432
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