399422144
399,422,144 is an even composite number composed of five prime numbers multiplied together.
399422144 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 399422144:
26 × 11 × 61 × 71 × 131
(2 × 2 × 2 × 2 × 2 × 2 × 11 × 61 × 71 × 131)See below for interesting mathematical facts about the number 399422144 from the Numbermatics database.
Names of 399422144
- Cardinal: 399422144 can be written as Three hundred ninety-nine million, four hundred twenty-two thousand, one hundred forty-four.
Scientific notation
- Scientific notation: 3.99422144 × 108
Factors of 399422144
Divisors of 399422144
- Number of divisors d(n): 112
-
Complete list of divisors:
1 2 4 8 11 16 22 32 44 61 64 71 88 122 131 142 176 244 262 284 352 488 524 568 671 704 781 976 1048 1136 1342 1441 1562 1952 2096 2272 2684 2882 3124 3904 4192 4331 4544 5368 5764 6248 7991 8384 8662 9301 10736 11528 12496 15982 17324 18602 21472 23056 24992 31964 34648 37204 42944 46112 47641 49984 63928 69296 74408 87901 92224 95282 102311 127856 138592 148816 175802 190564 204622 255712 277184 297632 351604 381128 409244 511424 567361 595264 703208 762256 818488 1134722 1406416 1524512 1636976 2269444 2812832 3049024 3273952 4538888 5625664 6240971 6547904 9077776 12481942 18155552 24963884 36311104 49927768 99855536 199711072 399422144
- Sum of all divisors σ(n): 898013952
- Sum of proper divisors (its aliquot sum) s(n): 498591808
- 399422144 is an abundant number, because the sum of its proper divisors (498591808) is greater than itself. Its abundance is 99169664
Bases of 399422144
- Binary: 101111100111010110010110000002
- Hexadecimal: 0x17CEB2C0
- Base-36: 6LT03K
Squares and roots of 399422144
- 399422144 squared (3994221442) is 159538049117556736
- 399422144 cubed (3994221443) is 63723029628111819534761984
-
The
square root of 399422144 is 19985.5483787661 -
The
cube root of 399422144 is 736.4513221173
Scales and comparisons
How big is 399422144?- 399,422,144 seconds is equal to 12 years, 36 weeks, 2 days, 22 hours, 35 minutes, 44 seconds.
-
To count from 1 to 399,422,144 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 399422144 cubic inches would be around 61.4 feet tall.
Recreational maths with 399422144
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