389919960
389,919,960 is an even composite number composed of five prime numbers multiplied together.
389919960 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 389919960:
23 × 33 × 5 × 223 × 1619
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 223 × 1619)See below for interesting mathematical facts about the number 389919960 from the Numbermatics database.
Names of 389919960
- Cardinal: 389919960 can be written as Three hundred eighty-nine million, nine hundred nineteen thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 3.8991996 × 108
Factors of 389919960
Divisors of 389919960
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 223 270 360 446 540 669 892 1080 1115 1338 1619 1784 2007 2230 2676 3238 3345 4014 4460 4857 5352 6021 6476 6690 8028 8095 8920 9714 10035 12042 12952 13380 14571 16056 16190 19428 20070 24084 24285 26760 29142 30105 32380 38856 40140 43713 48168 48570 58284 60210 64760 72855 80280 87426 97140 116568 120420 145710 174852 194280 218565 240840 291420 349704 361037 437130 582840 722074 874260 1083111 1444148 1748520 1805185 2166222 2888296 3249333 3610370 4332444 5415555 6498666 7220740 8664888 9747999 10831110 12997332 14441480 16246665 19495998 21662220 25994664 32493330 38991996 43324440 48739995 64986660 77983992 97479990 129973320 194959980 389919960
- Sum of all divisors σ(n): 1306368000
- Sum of proper divisors (its aliquot sum) s(n): 916448040
- 389919960 is an abundant number, because the sum of its proper divisors (916448040) is greater than itself. Its abundance is 526528080
Bases of 389919960
- Binary: 101110011110110110100110110002
- Hexadecimal: 0x173DB4D8
- Base-36: 6G5C60
Squares and roots of 389919960
- 389919960 squared (3899199602) is 152037575206401600
- 389919960 cubed (3899199603) is 59282485242977103615936000
-
The
square root of 389919960 is 19746.3910626727 -
The
cube root of 389919960 is 730.5643724711
Scales and comparisons
How big is 389919960?- 389,919,960 seconds is equal to 12 years, 20 weeks, 4 days, 23 hours, 6 minutes.
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To count from 1 to 389,919,960 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 389919960 cubic inches would be around 60.9 feet tall.
Recreational maths with 389919960
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