428720040
428,720,040 is an even composite number composed of five prime numbers multiplied together.
428720040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 428720040:
23 × 35 × 5 × 7 × 6301
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 6301)See below for interesting mathematical facts about the number 428720040 from the Numbermatics database.
Names of 428720040
- Cardinal: 428720040 can be written as Four hundred twenty-eight million, seven hundred twenty thousand and forty.
Scientific notation
- Scientific notation: 4.2872004 × 108
Factors of 428720040
Divisors of 428720040
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 81 84 90 105 108 120 126 135 140 162 168 180 189 210 216 243 252 270 280 315 324 360 378 405 420 486 504 540 567 630 648 756 810 840 945 972 1080 1134 1215 1260 1512 1620 1701 1890 1944 2268 2430 2520 2835 3240 3402 3780 4536 4860 5670 6301 6804 7560 8505 9720 11340 12602 13608 17010 18903 22680 25204 31505 34020 37806 44107 50408 56709 63010 68040 75612 88214 94515 113418 126020 132321 151224 170127 176428 189030 220535 226836 252040 264642 283545 340254 352856 378060 396963 441070 453672 510381 529284 567090 661605 680508 756120 793926 850635 882140 1020762 1058568 1134180 1190889 1323210 1361016 1531143 1587852 1701270 1764280 1984815 2041524 2268360 2381778 2551905 2646420 3062286 3175704 3402540 3572667 3969630 4083048 4763556 5103810 5292840 5954445 6124572 6805080 7145334 7655715 7939260 9527112 10207620 10718001 11908890 12249144 14290668 15311430 15878520 17863335 20415240 21436002 23817780 28581336 30622860 35726670 42872004 47635560 53590005 61245720 71453340 85744008 107180010 142906680 214360020 428720040
- Sum of all divisors σ(n): 1651628160
- Sum of proper divisors (its aliquot sum) s(n): 1222908120
- 428720040 is an abundant number, because the sum of its proper divisors (1222908120) is greater than itself. Its abundance is 794188080
Bases of 428720040
- Binary: 110011000110110111111101010002
- Hexadecimal: 0x198DBFA8
- Base-36: 738YI0
Squares and roots of 428720040
- 428720040 squared (4287200402) is 183800872697601600
- 428720040 cubed (4287200403) is 78799117494950665856064000
-
The
square root of 428720040 is 20705.5557761679 -
The
cube root of 428720040 is 754.0345773297
Scales and comparisons
How big is 428720040?- 428,720,040 seconds is equal to 13 years, 32 weeks, 6 days, 54 minutes.
-
To count from 1 to 428,720,040 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 428720040 cubic inches would be around 62.8 feet tall.
Recreational maths with 428720040
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