399421050
399,421,050 is an even composite number composed of six prime numbers multiplied together.
399421050 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 399421050:
2 × 3 × 52 × 72 × 31 × 1753
(2 × 3 × 5 × 5 × 7 × 7 × 31 × 1753)See below for interesting mathematical facts about the number 399421050 from the Numbermatics database.
Names of 399421050
- Cardinal: 399421050 can be written as Three hundred ninety-nine million, four hundred twenty-one thousand and fifty.
Scientific notation
- Scientific notation: 3.9942105 × 108
Factors of 399421050
Divisors of 399421050
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 5 6 7 10 14 15 21 25 30 31 35 42 49 50 62 70 75 93 98 105 147 150 155 175 186 210 217 245 294 310 350 434 465 490 525 651 735 775 930 1050 1085 1225 1302 1470 1519 1550 1753 2170 2325 2450 3038 3255 3506 3675 4557 4650 5259 5425 6510 7350 7595 8765 9114 10518 10850 12271 15190 16275 17530 22785 24542 26295 32550 36813 37975 43825 45570 52590 54343 61355 73626 75950 85897 87650 108686 113925 122710 131475 163029 171794 184065 227850 257691 262950 271715 306775 326058 368130 380401 429485 515382 543430 613550 760802 815145 858970 920325 1141203 1288455 1358575 1630290 1840650 1902005 2147425 2282406 2576910 2662807 2717150 3804010 4075725 4294850 5325614 5706015 6442275 7988421 8151450 9510025 11412030 12884550 13314035 15976842 19020050 26628070 28530075 39942105 57060150 66570175 79884210 133140350 199710525 399421050
- Sum of all divisors σ(n): 1190138112
- Sum of proper divisors (its aliquot sum) s(n): 790717062
- 399421050 is an abundant number, because the sum of its proper divisors (790717062) is greater than itself. Its abundance is 391296012
Bases of 399421050
- Binary: 101111100111010101110011110102
- Hexadecimal: 0x17CEAE7A
- Base-36: 6LSZ96
Squares and roots of 399421050
- 399421050 squared (3994210502) is 159537175183102500
- 399421050 cubed (3994210503) is 63722506025668742807625000
-
The
square root of 399421050 is 19985.5210089703 -
The
cube root of 399421050 is 736.4506497471
Scales and comparisons
How big is 399421050?- 399,421,050 seconds is equal to 12 years, 36 weeks, 2 days, 22 hours, 17 minutes, 30 seconds.
-
To count from 1 to 399,421,050 would take you about nineteen 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 399421050 cubic inches would be around 61.4 feet tall.
Recreational maths with 399421050
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