389952864
389,952,864 is an even composite number composed of five prime numbers multiplied together.
389952864 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 389952864:
25 × 32 × 7 × 67 × 2887
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 67 × 2887)See below for interesting mathematical facts about the number 389952864 from the Numbermatics database.
Names of 389952864
- Cardinal: 389952864 can be written as Three hundred eighty-nine million, nine hundred fifty-two thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 3.89952864 × 108
Factors of 389952864
Divisors of 389952864
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 67 72 84 96 112 126 134 144 168 201 224 252 268 288 336 402 469 504 536 603 672 804 938 1008 1072 1206 1407 1608 1876 2016 2144 2412 2814 2887 3216 3752 4221 4824 5628 5774 6432 7504 8442 8661 9648 11256 11548 15008 16884 17322 19296 20209 22512 23096 25983 33768 34644 40418 45024 46192 51966 60627 67536 69288 80836 92384 103932 121254 135072 138576 161672 181881 193429 207864 242508 277152 323344 363762 386858 415728 485016 580287 646688 727524 773716 831456 970032 1160574 1354003 1455048 1547432 1740861 1940064 2321148 2708006 2910096 3094864 3481722 4062009 4642296 5416012 5820192 6189728 6963444 8124018 9284592 10832024 12186027 13926888 16248036 18569184 21664048 24372054 27853776 32496072 43328096 48744108 55707552 64992144 97488216 129984288 194976432 389952864
- Sum of all divisors σ(n): 1286707968
- Sum of proper divisors (its aliquot sum) s(n): 896755104
- 389952864 is an abundant number, because the sum of its proper divisors (896755104) is greater than itself. Its abundance is 506802240
Bases of 389952864
- Binary: 101110011111000110101011000002
- Hexadecimal: 0x173E3560
- Base-36: 6G61K0
Squares and roots of 389952864
- 389952864 squared (3899528642) is 152063236141802496
- 389952864 cubed (3899528643) is 59297494442604193437548544
-
The
square root of 389952864 is 19747.2242099997 -
The
cube root of 389952864 is 730.5849218287
Scales and comparisons
How big is 389952864?- 389,952,864 seconds is equal to 12 years, 20 weeks, 5 days, 8 hours, 14 minutes, 24 seconds.
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To count from 1 to 389,952,864 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 389952864 cubic inches would be around 60.9 feet tall.
Recreational maths with 389952864
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