390939372
390,939,372 is an even composite number composed of five prime numbers multiplied together.
390939372 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 390939372:
22 × 37 × 23 × 29 × 67
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 23 × 29 × 67)See below for interesting mathematical facts about the number 390939372 from the Numbermatics database.
Names of 390939372
- Cardinal: 390939372 can be written as Three hundred ninety million, nine hundred thirty-nine thousand, three hundred seventy-two.
Scientific notation
- Scientific notation: 3.90939372 × 108
Factors of 390939372
Divisors of 390939372
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 9 12 18 23 27 29 36 46 54 58 67 69 81 87 92 108 116 134 138 162 174 201 207 243 261 268 276 324 348 402 414 486 522 603 621 667 729 783 804 828 972 1044 1206 1242 1334 1458 1541 1566 1809 1863 1943 2001 2187 2349 2412 2484 2668 2916 3082 3132 3618 3726 3886 4002 4374 4623 4698 5427 5589 5829 6003 6164 7047 7236 7452 7772 8004 8748 9246 9396 10854 11178 11658 12006 13869 14094 16281 16767 17487 18009 18492 21141 21708 22356 23316 24012 27738 28188 32562 33534 34974 36018 41607 42282 44689 48843 50301 52461 54027 55476 63423 65124 67068 69948 72036 83214 84564 89378 97686 100602 104922 108054 124821 126846 134067 146529 157383 162081 166428 178756 195372 201204 209844 216108 249642 253692 268134 293058 314766 324162 374463 402201 472149 486243 499284 536268 586116 629532 648324 748926 804402 944298 972486 1123389 1206603 1416447 1458729 1497852 1608804 1888596 1944972 2246778 2413206 2832894 2917458 3370167 3619809 4249341 4493556 4826412 5665788 5834916 6740334 7239618 8498682 10859427 13480668 14479236 16997364 21718854 32578281 43437708 65156562 97734843 130313124 195469686 390939372
- Sum of all divisors σ(n): 1124121600
- Sum of proper divisors (its aliquot sum) s(n): 733182228
- 390939372 is an abundant number, because the sum of its proper divisors (733182228) is greater than itself. Its abundance is 342242856
Bases of 390939372
- Binary: 101110100110101000010111011002
- Hexadecimal: 0x174D42EC
- Base-36: 6GR6R0
Squares and roots of 390939372
- 390939372 squared (3909393722) is 152833592579754384
- 390939372 cubed (3909393723) is 59748668703633038795206848
-
The
square root of 390939372 is 19772.1868289777 -
The
cube root of 390939372 is 731.2004842211
Scales and comparisons
How big is 390939372?- 390,939,372 seconds is equal to 12 years, 22 weeks, 2 days, 18 hours, 16 minutes, 12 seconds.
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To count from 1 to 390,939,372 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 390939372 cubic inches would be around 60.9 feet tall.
Recreational maths with 390939372
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