385531128
385,531,128 is an even composite number composed of five prime numbers multiplied together.
385531128 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 385531128:
23 × 32 × 19 × 31 × 9091
(2 × 2 × 2 × 3 × 3 × 19 × 31 × 9091)See below for interesting mathematical facts about the number 385531128 from the Numbermatics database.
Names of 385531128
- Cardinal: 385531128 can be written as Three hundred eighty-five million, five hundred thirty-one thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 3.85531128 × 108
Factors of 385531128
Divisors of 385531128
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 4 6 8 9 12 18 19 24 31 36 38 57 62 72 76 93 114 124 152 171 186 228 248 279 342 372 456 558 589 684 744 1116 1178 1368 1767 2232 2356 3534 4712 5301 7068 9091 10602 14136 18182 21204 27273 36364 42408 54546 72728 81819 109092 163638 172729 218184 281821 327276 345458 518187 563642 654552 690916 845463 1036374 1127284 1381832 1554561 1690926 2072748 2254568 2536389 3109122 3381852 4145496 5072778 5354599 6218244 6763704 10145556 10709198 12436488 16063797 20291112 21418396 32127594 42836792 48191391 64255188 96382782 128510376 192765564 385531128
- Sum of all divisors σ(n): 1134681600
- Sum of proper divisors (its aliquot sum) s(n): 749150472
- 385531128 is an abundant number, because the sum of its proper divisors (749150472) is greater than itself. Its abundance is 363619344
Bases of 385531128
- Binary: 101101111101010111100111110002
- Hexadecimal: 0x16FABCF8
- Base-36: 6DJ9Q0
Squares and roots of 385531128
- 385531128 squared (3855311282) is 148634250656952384
- 385531128 cubed (3855311283) is 57303130315209593645809152
-
The
square root of 385531128 is 19634.9466003857 -
The
cube root of 385531128 is 727.8130129997
Scales and comparisons
How big is 385531128?- 385,531,128 seconds is equal to 12 years, 13 weeks, 3 days, 3 hours, 58 minutes, 48 seconds.
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To count from 1 to 385,531,128 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 385531128 cubic inches would be around 60.7 feet tall.
Recreational maths with 385531128
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