389121920
389,121,920 is an even composite number composed of five prime numbers multiplied together.
389121920 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 389121920:
27 × 5 × 11 × 31 × 1783
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 31 × 1783)See below for interesting mathematical facts about the number 389121920 from the Numbermatics database.
Names of 389121920
- Cardinal: 389121920 can be written as Three hundred eighty-nine million, one hundred twenty-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.8912192 × 108
Factors of 389121920
Divisors of 389121920
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 31 32 40 44 55 62 64 80 88 110 124 128 155 160 176 220 248 310 320 341 352 440 496 620 640 682 704 880 992 1240 1364 1408 1705 1760 1783 1984 2480 2728 3410 3520 3566 3968 4960 5456 6820 7040 7132 8915 9920 10912 13640 14264 17830 19613 19840 21824 27280 28528 35660 39226 43648 54560 55273 57056 71320 78452 98065 109120 110546 114112 142640 156904 196130 218240 221092 228224 276365 285280 313808 392260 442184 552730 570560 608003 627616 784520 884368 1105460 1141120 1216006 1255232 1569040 1768736 2210920 2432012 2510464 3040015 3138080 3537472 4421840 4864024 6080030 6276160 7074944 8843680 9728048 12160060 12552320 17687360 19456096 24320120 35374720 38912192 48640240 77824384 97280480 194560960 389121920
- Sum of all divisors σ(n): 1048135680
- Sum of proper divisors (its aliquot sum) s(n): 659013760
- 389121920 is an abundant number, because the sum of its proper divisors (659013760) is greater than itself. Its abundance is 269891840
Bases of 389121920
- Binary: 101110011000110000111100000002
- Hexadecimal: 0x17318780
- Base-36: 6FO8E8
Squares and roots of 389121920
- 389121920 squared (3891219202) is 151415868624486400
- 389121920 cubed (3891219203) is 58919233517627906981888000
-
The
square root of 389121920 is 19726.1734758669 -
The
cube root of 389121920 is 730.0656224237
Scales and comparisons
How big is 389121920?- 389,121,920 seconds is equal to 12 years, 19 weeks, 2 days, 17 hours, 25 minutes, 20 seconds.
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To count from 1 to 389,121,920 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 389121920 cubic inches would be around 60.8 feet tall.
Recreational maths with 389121920
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"Number 389121920 - Facts about the integer". Numbermatics.com. 2024. Web. 14 May 2024.
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Numbermatics. (2024). Number 389121920 - Facts about the integer. Retrieved 14 May 2024, from https://numbermatics.com/n/389121920/
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The information we have on file for 389121920 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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