420664920
420,664,920 is an even composite number composed of six prime numbers multiplied together.
420664920 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 420664920:
23 × 3 × 5 × 13 × 41 × 6577
(2 × 2 × 2 × 3 × 5 × 13 × 41 × 6577)See below for interesting mathematical facts about the number 420664920 from the Numbermatics database.
Names of 420664920
- Cardinal: 420664920 can be written as Four hundred twenty million, six hundred sixty-four thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 4.2066492 × 108
Factors of 420664920
Divisors of 420664920
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 41 52 60 65 78 82 104 120 123 130 156 164 195 205 246 260 312 328 390 410 492 520 533 615 780 820 984 1066 1230 1560 1599 1640 2132 2460 2665 3198 4264 4920 5330 6396 6577 7995 10660 12792 13154 15990 19731 21320 26308 31980 32885 39462 52616 63960 65770 78924 85501 98655 131540 157848 171002 197310 256503 263080 269657 342004 394620 427505 513006 539314 684008 789240 808971 855010 1026012 1078628 1282515 1348285 1617942 1710020 2052024 2157256 2565030 2696570 3235884 3420040 3505541 4044855 5130060 5393140 6471768 7011082 8089710 10260120 10516623 10786280 14022164 16179420 17527705 21033246 28044328 32358840 35055410 42066492 52583115 70110820 84132984 105166230 140221640 210332460 420664920
- Sum of all divisors σ(n): 1392431040
- Sum of proper divisors (its aliquot sum) s(n): 971766120
- 420664920 is an abundant number, because the sum of its proper divisors (971766120) is greater than itself. Its abundance is 551101200
Bases of 420664920
- Binary: 110010001001011010110010110002
- Hexadecimal: 0x1912D658
- Base-36: 6YGB4O
Squares and roots of 420664920
- 420664920 squared (4206649202) is 176958974918606400
- 420664920 cubed (4206649203) is 74440433027417567767488000
-
The
square root of 420664920 is 20510.1175033201 -
The
cube root of 420664920 is 749.2822288475
Scales and comparisons
How big is 420664920?- 420,664,920 seconds is equal to 13 years, 19 weeks, 3 days, 19 hours, 22 minutes.
-
To count from 1 to 420,664,920 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 420664920 cubic inches would be around 62.4 feet tall.
Recreational maths with 420664920
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