389906900
389,906,900 is an even composite number composed of five prime numbers multiplied together.
389906900 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 389906900:
22 × 52 × 17 × 211 × 1087
(2 × 2 × 5 × 5 × 17 × 211 × 1087)See below for interesting mathematical facts about the number 389906900 from the Numbermatics database.
Names of 389906900
- Cardinal: 389906900 can be written as Three hundred eighty-nine million, nine hundred six thousand, nine hundred.
Scientific notation
- Scientific notation: 3.899069 × 108
Factors of 389906900
Divisors of 389906900
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 10 17 20 25 34 50 68 85 100 170 211 340 422 425 844 850 1055 1087 1700 2110 2174 3587 4220 4348 5275 5435 7174 10550 10870 14348 17935 18479 21100 21740 27175 35870 36958 54350 71740 73916 89675 92395 108700 179350 184790 229357 358700 369580 458714 461975 917428 923950 1146785 1847900 2293570 3899069 4587140 5733925 7798138 11467850 15596276 19495345 22935700 38990690 77981380 97476725 194953450 389906900
- Sum of all divisors σ(n): 900942336
- Sum of proper divisors (its aliquot sum) s(n): 511035436
- 389906900 is an abundant number, because the sum of its proper divisors (511035436) is greater than itself. Its abundance is 121128536
Bases of 389906900
- Binary: 101110011110110000001110101002
- Hexadecimal: 0x173D81D4
- Base-36: 6G5238
Squares and roots of 389906900
- 389906900 squared (3899069002) is 152027390667610000
- 389906900 cubed (3899069003) is 59276528610296745509000000
-
The
square root of 389906900 is 19746.0603665643 -
The
cube root of 389906900 is 730.5562158593
Scales and comparisons
How big is 389906900?- 389,906,900 seconds is equal to 12 years, 20 weeks, 4 days, 19 hours, 28 minutes, 20 seconds.
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To count from 1 to 389,906,900 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 389906900 cubic inches would be around 60.9 feet tall.
Recreational maths with 389906900
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The information we have on file for 389906900 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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