387421216
387,421,216 is an even composite number composed of five prime numbers multiplied together.
387421216 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 387421216:
25 × 7 × 13 × 233 × 571
(2 × 2 × 2 × 2 × 2 × 7 × 13 × 233 × 571)See below for interesting mathematical facts about the number 387421216 from the Numbermatics database.
Names of 387421216
- Cardinal: 387421216 can be written as Three hundred eighty-seven million, four hundred twenty-one thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 3.87421216 × 108
Factors of 387421216
Divisors of 387421216
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 182 208 224 233 364 416 466 571 728 932 1142 1456 1631 1864 2284 2912 3029 3262 3728 3997 4568 6058 6524 7423 7456 7994 9136 12116 13048 14846 15988 18272 21203 24232 26096 29692 31976 42406 48464 51961 52192 59384 63952 84812 96928 103922 118768 127904 133043 169624 207844 237536 266086 339248 415688 532172 678496 831376 931301 1064344 1662752 1729559 1862602 2128688 3459118 3725204 4257376 6918236 7450408 12106913 13836472 14900816 24213826 27672944 29801632 48427652 55345888 96855304 193710608 387421216
- Sum of all divisors σ(n): 944431488
- Sum of proper divisors (its aliquot sum) s(n): 557010272
- 387421216 is an abundant number, because the sum of its proper divisors (557010272) is greater than itself. Its abundance is 169589056
Bases of 387421216
- Binary: 101110001011110010100001000002
- Hexadecimal: 0x17179420
- Base-36: 6ENS4G
Squares and roots of 387421216
- 387421216 squared (3874212162) is 150095198606918656
- 387421216 cubed (3874212163) is 58150064360053931720605696
-
The
square root of 387421216 is 19683.0184677045 -
The
cube root of 387421216 is 729.0004559927
Scales and comparisons
How big is 387421216?- 387,421,216 seconds is equal to 12 years, 16 weeks, 4 days, 1 hour, 16 seconds.
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To count from 1 to 387,421,216 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 387421216 cubic inches would be around 60.8 feet tall.
Recreational maths with 387421216
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The information we have on file for 387421216 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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