428931384
428,931,384 is an even composite number composed of six prime numbers multiplied together.
428931384 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 428931384:
23 × 3 × 7 × 19 × 83 × 1619
(2 × 2 × 2 × 3 × 7 × 19 × 83 × 1619)See below for interesting mathematical facts about the number 428931384 from the Numbermatics database.
Names of 428931384
- Cardinal: 428931384 can be written as Four hundred twenty-eight million, nine hundred thirty-one thousand, three hundred eighty-four.
Scientific notation
- Scientific notation: 4.28931384 × 108
Factors of 428931384
Divisors of 428931384
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 6 7 8 12 14 19 21 24 28 38 42 56 57 76 83 84 114 133 152 166 168 228 249 266 332 399 456 498 532 581 664 798 996 1064 1162 1577 1596 1619 1743 1992 2324 3154 3192 3238 3486 4648 4731 4857 6308 6476 6972 9462 9714 11039 11333 12616 12952 13944 18924 19428 22078 22666 30761 33117 33999 37848 38856 44156 45332 61522 66234 67998 88312 90664 92283 123044 132468 134377 135996 184566 215327 246088 264936 268754 271992 369132 403131 430654 537508 645981 738264 806262 861308 940639 1075016 1291962 1612524 1722616 1881278 2553163 2583924 2821917 3225048 3762556 5106326 5167848 5643834 7525112 7659489 10212652 11287668 15318978 17872141 20425304 22575336 30637956 35744282 53616423 61275912 71488564 107232846 142977128 214465692 428931384
- Sum of all divisors σ(n): 1306368000
- Sum of proper divisors (its aliquot sum) s(n): 877436616
- 428931384 is an abundant number, because the sum of its proper divisors (877436616) is greater than itself. Its abundance is 448505232
Bases of 428931384
- Binary: 110011001000011111001001110002
- Hexadecimal: 0x1990F938
- Base-36: 73DHKO
Squares and roots of 428931384
- 428931384 squared (4289313842) is 183982132180155456
- 428931384 cubed (4289313843) is 78915710587305017077231104
-
The
square root of 428931384 is 20710.6587051209 -
The
cube root of 428931384 is 754.1584612085
Scales and comparisons
How big is 428931384?- 428,931,384 seconds is equal to 13 years, 33 weeks, 1 day, 11 hours, 36 minutes, 24 seconds.
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To count from 1 to 428,931,384 would take you about twenty 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 428931384 cubic inches would be around 62.8 feet tall.
Recreational maths with 428931384
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