389249900
389,249,900 is an even composite number composed of six prime numbers multiplied together.
389249900 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 389249900:
22 × 52 × 13 × 41 × 67 × 109
(2 × 2 × 5 × 5 × 13 × 41 × 67 × 109)See below for interesting mathematical facts about the number 389249900 from the Numbermatics database.
Names of 389249900
- Cardinal: 389249900 can be written as Three hundred eighty-nine million, two hundred forty-nine thousand, nine hundred.
Scientific notation
- Scientific notation: 3.892499 × 108
Factors of 389249900
Divisors of 389249900
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 10 13 20 25 26 41 50 52 65 67 82 100 109 130 134 164 205 218 260 268 325 335 410 436 533 545 650 670 820 871 1025 1066 1090 1300 1340 1417 1675 1742 2050 2132 2180 2665 2725 2747 2834 3350 3484 4100 4355 4469 5330 5450 5494 5668 6700 7085 7303 8710 8938 10660 10900 10988 13325 13735 14170 14606 17420 17876 21775 22345 26650 27470 28340 29212 35425 35711 36515 43550 44690 53300 54940 58097 68675 70850 71422 73030 87100 89380 94939 111725 116194 137350 141700 142844 146060 178555 182575 189878 223450 232388 274700 290485 299423 357110 365150 379756 446900 474695 580970 598846 714220 730300 892775 949390 1161940 1197692 1452425 1497115 1785550 1898780 2373475 2904850 2994230 3571100 3892499 4746950 5809700 5988460 7485575 7784998 9493900 14971150 15569996 19462495 29942300 38924990 77849980 97312475 194624950 389249900
- Sum of all divisors σ(n): 954418080
- Sum of proper divisors (its aliquot sum) s(n): 565168180
- 389249900 is an abundant number, because the sum of its proper divisors (565168180) is greater than itself. Its abundance is 175918280
Bases of 389249900
- Binary: 101110011001101111011011011002
- Hexadecimal: 0x17337B6C
- Base-36: 6FQZ58
Squares and roots of 389249900
- 389249900 squared (3892499002) is 151515484650010000
- 389249900 cubed (3892499003) is 58977387248467927499000000
-
The
square root of 389249900 is 19729.4171226619 -
The
cube root of 389249900 is 730.1456518029
Scales and comparisons
How big is 389249900?- 389,249,900 seconds is equal to 12 years, 19 weeks, 4 days, 4 hours, 58 minutes, 20 seconds.
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To count from 1 to 389,249,900 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 389249900 cubic inches would be around 60.8 feet tall.
Recreational maths with 389249900
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