388990107
388,990,107 is an odd composite number composed of five prime numbers multiplied together.
What does the number 388990107 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 80 divisors.
388990107 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 388990107:
34 × 11 × 17 × 61 × 421
(3 × 3 × 3 × 3 × 11 × 17 × 61 × 421)See below for interesting mathematical facts about the number 388990107 from the Numbermatics database.
Names of 388990107
- Cardinal: 388990107 can be written as Three hundred eighty-eight million, nine hundred ninety thousand, one hundred seven.
Scientific notation
- Scientific notation: 3.88990107 × 108
Factors of 388990107
Divisors of 388990107
- Number of divisors d(n): 80
-
Complete list of divisors:
1 3 9 11 17 27 33 51 61 81 99 153 183 187 297 421 459 549 561 671 891 1037 1263 1377 1647 1683 2013 3111 3789 4631 4941 5049 6039 7157 9333 11367 11407 13893 15147 18117 21471 25681 27999 34101 34221 41679 54351 64413 77043 78727 83997 102663 125037 193239 231129 236181 282491 307989 375111 436577 579717 693387 708543 847473 923967 1309731 2080161 2125629 2542419 3929193 4802347 6376887 7627257 11787579 14407041 22881771 35362737 43221123 129663369 388990107
- Sum of all divisors σ(n): 683822304
- Sum of proper divisors (its aliquot sum) s(n): 294832197
- 388990107 is a deficient number, because the sum of its proper divisors (294832197) is less than itself. Its deficiency is 94157910
Bases of 388990107
- Binary: 101110010111110000100100110112
- Hexadecimal: 0x172F849B
- Base-36: 6FLEOR
Squares and roots of 388990107
- 388990107 squared (3889901072) is 151313303343871449
- 388990107 cubed (3889901073) is 58859378058256012740755043
-
The
square root of 388990107 is 19722.8321242159 -
The
cube root of 388990107 is 729.9831778197
Scales and comparisons
How big is 388990107?- 388,990,107 seconds is equal to 12 years, 19 weeks, 1 day, 4 hours, 48 minutes, 27 seconds.
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To count from 1 to 388,990,107 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 388990107 cubic inches would be around 60.8 feet tall.
Recreational maths with 388990107
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