399169980
399,169,980 is an even composite number composed of five prime numbers multiplied together.
399169980 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 399169980:
22 × 32 × 5 × 11 × 4492
(2 × 2 × 3 × 3 × 5 × 11 × 449 × 449)See below for interesting mathematical facts about the number 399169980 from the Numbermatics database.
Names of 399169980
- Cardinal: 399169980 can be written as Three hundred ninety-nine million, one hundred sixty-nine thousand, nine hundred eighty.
Scientific notation
- Scientific notation: 3.9916998 × 108
Factors of 399169980
Divisors of 399169980
- Number of divisors d(n): 108
-
Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 449 495 660 898 990 1347 1796 1980 2245 2694 4041 4490 4939 5388 6735 8082 8980 9878 13470 14817 16164 19756 20205 24695 26940 29634 40410 44451 49390 59268 74085 80820 88902 98780 148170 177804 201601 222255 296340 403202 444510 604803 806404 889020 1008005 1209606 1814409 2016010 2217611 2419212 3024015 3628818 4032020 4435222 6048030 6652833 7257636 8870444 9072045 11088055 12096060 13305666 18144090 19958499 22176110 26611332 33264165 36288180 39916998 44352220 66528330 79833996 99792495 133056660 199584990 399169980
- Sum of all divisors σ(n): 1323838152
- Sum of proper divisors (its aliquot sum) s(n): 924668172
- 399169980 is an abundant number, because the sum of its proper divisors (924668172) is greater than itself. Its abundance is 525498192
Bases of 399169980
- Binary: 101111100101011011001101111002
- Hexadecimal: 0x17CAD9BC
- Base-36: 6LNLJ0
Squares and roots of 399169980
- 399169980 squared (3991699802) is 159336672933200400
- 399169980 cubed (3991699803) is 63602416548012145003992000
-
The
square root of 399169980 is 19979.2387242359 -
The
cube root of 399169980 is 736.2963101765
Scales and comparisons
How big is 399169980?- 399,169,980 seconds is equal to 12 years, 36 weeks, 33 minutes.
-
To count from 1 to 399,169,980 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 399169980 cubic inches would be around 61.4 feet tall.
Recreational maths with 399169980
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