231387145920
231,387,145,920 is an even composite number composed of five prime numbers multiplied together.
231387145920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 231387145920:
26 × 32 × 5 × 7 × 11477537
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 11477537)See below for interesting mathematical facts about the number 231387145920 from the Numbermatics database.
Names of 231387145920
- Cardinal: 231387145920 can be written as Two hundred thirty-one billion, three hundred eighty-seven million, one hundred forty-five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.3138714592 × 1011
Factors of 231387145920
Divisors of 231387145920
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 140 144 160 168 180 192 210 224 240 252 280 288 315 320 336 360 420 448 480 504 560 576 630 672 720 840 960 1008 1120 1260 1344 1440 1680 2016 2240 2520 2880 3360 4032 5040 6720 10080 20160 11477537 22955074 34432611 45910148 57387685 68865222 80342759 91820296 103297833 114775370 137730444 160685518 172163055 183640592 206595666 229550740 241028277 275460888 321371036 344326110 367281184 401713795 413191332 459101480 482056554 516489165 550921776 642742072 688652220 723084831 734562368 803427590 826382664 918202960 964113108 1032978330 1101843552 1205141385 1285484144 1377304440 1446169662 1606855180 1652765328 1836405920 1928226216 2065956660 2203687104 2410282770 2570968288 2754608880 2892339324 3213710360 3305530656 3615424155 3672811840 3856452432 4131913320 4820565540 5141936576 5509217760 5784678648 6427420720 6611061312 7230848310 7712904864 8263826640 9641131080 11018435520 11569357296 12854841440 14461696620 15425809728 16527653280 19282262160 23138714592 25709682880 28923393240 33055306560 38564524320 46277429184 57846786480 77129048640 115693572960 231387145920
- Sum of all divisors σ(n): 909571931424
- Sum of proper divisors (its aliquot sum) s(n): 678184785504
- 231387145920 is an abundant number, because the sum of its proper divisors (678184785504) is greater than itself. Its abundance is 446797639584
Bases of 231387145920
- Binary: 110101110111111011111110100110110000002
- Hexadecimal: 0x35DFBFA6C0
- Base-36: 2YAPXKG0
Squares and roots of 231387145920
- 231387145920 squared (2313871459202) is 53540011297003372646400
- 231387145920 cubed (2313871459203) is 12388470406538167845264693362688000
-
The
square root of 231387145920 is 481027.1779432011 -
The
cube root of 231387145920 is 6139.2182999717
Scales and comparisons
How big is 231387145920?- 231,387,145,920 seconds is equal to 7,357 years, 20 weeks, 3 days, 23 hours, 12 minutes.
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To count from 1 to 231,387,145,920 would take you about fourteen thousand, seven hundred fourteen 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 231387145920 cubic inches would be around 511.6 feet tall.
Recreational maths with 231387145920
- 231387145920 backwards is 029541783132
- 231387145920 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 231387145920's digits is 45
- More coming soon!
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