385420320
385,420,320 is an even composite number composed of five prime numbers multiplied together.
385420320 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 385420320:
25 × 32 × 5 × 19 × 14087
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 19 × 14087)See below for interesting mathematical facts about the number 385420320 from the Numbermatics database.
Names of 385420320
- Cardinal: 385420320 can be written as Three hundred eighty-five million, four hundred twenty thousand, three hundred twenty.
Scientific notation
- Scientific notation: 3.8542032 × 108
Factors of 385420320
Divisors of 385420320
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 32 36 38 40 45 48 57 60 72 76 80 90 95 96 114 120 144 152 160 171 180 190 228 240 285 288 304 342 360 380 456 480 570 608 684 720 760 855 912 1140 1368 1440 1520 1710 1824 2280 2736 3040 3420 4560 5472 6840 9120 13680 14087 27360 28174 42261 56348 70435 84522 112696 126783 140870 169044 211305 225392 253566 267653 281740 338088 422610 450784 507132 535306 563480 633915 676176 802959 845220 1014264 1070612 1126960 1267830 1338265 1352352 1605918 1690440 2028528 2141224 2253920 2408877 2535660 2676530 3211836 3380880 4014795 4057056 4282448 4817754 5071320 5353060 6423672 6761760 8029590 8564896 9635508 10142640 10706120 12044385 12847344 16059180 19271016 20285280 21412240 24088770 25694688 32118360 38542032 42824480 48177540 64236720 77084064 96355080 128473440 192710160 385420320
- Sum of all divisors σ(n): 1384568640
- Sum of proper divisors (its aliquot sum) s(n): 999148320
- 385420320 is an abundant number, because the sum of its proper divisors (999148320) is greater than itself. Its abundance is 613728000
Bases of 385420320
- Binary: 101101111100100001100001000002
- Hexadecimal: 0x16F90C20
- Base-36: 6DGW80
Squares and roots of 385420320
- 385420320 squared (3854203202) is 148548823068902400
- 385420320 cubed (3854203203) is 57253734922839745056768000
-
The
square root of 385420320 is 19632.1246939805 -
The
cube root of 385420320 is 727.7432778333
Scales and comparisons
How big is 385420320?- 385,420,320 seconds is equal to 12 years, 13 weeks, 1 day, 21 hours, 12 minutes.
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To count from 1 to 385,420,320 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 385420320 cubic inches would be around 60.6 feet tall.
Recreational maths with 385420320
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