389420388
389,420,388 is an even composite number composed of six prime numbers multiplied together.
389420388 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 389420388:
22 × 32 × 7 × 31 × 79 × 631
(2 × 2 × 3 × 3 × 7 × 31 × 79 × 631)See below for interesting mathematical facts about the number 389420388 from the Numbermatics database.
Names of 389420388
- Cardinal: 389420388 can be written as Three hundred eighty-nine million, four hundred twenty thousand, three hundred eighty-eight.
Scientific notation
- Scientific notation: 3.89420388 × 108
Factors of 389420388
Divisors of 389420388
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 28 31 36 42 62 63 79 84 93 124 126 158 186 217 237 252 279 316 372 434 474 553 558 631 651 711 868 948 1106 1116 1262 1302 1422 1659 1893 1953 2212 2449 2524 2604 2844 3318 3786 3906 4417 4898 4977 5679 6636 7347 7572 7812 8834 9796 9954 11358 13251 14694 17143 17668 19561 19908 22041 22716 26502 29388 34286 39122 39753 44082 49849 51429 53004 58683 68572 78244 79506 88164 99698 102858 117366 136927 149547 154287 159012 176049 199396 205716 234732 273854 299094 308574 348943 352098 410781 448641 547708 598188 617148 697886 704196 821562 897282 1046829 1232343 1395772 1545319 1643124 1794564 2093658 2464686 3090638 3140487 4187316 4635957 4929372 6181276 6280974 9271914 10817233 12561948 13907871 18543828 21634466 27815742 32451699 43268932 55631484 64903398 97355097 129806796 194710194 389420388
- Sum of all divisors σ(n): 1177845760
- Sum of proper divisors (its aliquot sum) s(n): 788425372
- 389420388 is an abundant number, because the sum of its proper divisors (788425372) is greater than itself. Its abundance is 399004984
Bases of 389420388
- Binary: 101110011011000010101011001002
- Hexadecimal: 0x17361564
- Base-36: 6FUMP0
Squares and roots of 389420388
- 389420388 squared (3894203882) is 151648238590070544
- 389420388 cubed (3894203883) is 59054915911261844191851072
-
The
square root of 389420388 is 19733.7373044237 -
The
cube root of 389420388 is 730.2522353477
Scales and comparisons
How big is 389420388?- 389,420,388 seconds is equal to 12 years, 19 weeks, 6 days, 4 hours, 19 minutes, 48 seconds.
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To count from 1 to 389,420,388 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 389420388 cubic inches would be around 60.9 feet tall.
Recreational maths with 389420388
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The information we have on file for 389420388 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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