642025920
642,025,920 is an even composite number composed of five prime numbers multiplied together.
642025920 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 642025920:
26 × 3 × 5 × 223 × 2999
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 223 × 2999)See below for interesting mathematical facts about the number 642025920 from the Numbermatics database.
Names of 642025920
- Cardinal: 642025920 can be written as Six hundred forty-two million, twenty-five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 6.4202592 × 108
Factors of 642025920
Divisors of 642025920
- Number of divisors d(n): 112
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 223 240 320 446 480 669 892 960 1115 1338 1784 2230 2676 2999 3345 3568 4460 5352 5998 6690 7136 8920 8997 10704 11996 13380 14272 14995 17840 17994 21408 23992 26760 29990 35680 35988 42816 44985 47984 53520 59980 71360 71976 89970 95968 107040 119960 143952 179940 191936 214080 239920 287904 359880 479840 575808 668777 719760 959680 1337554 1439520 2006331 2675108 2879040 3343885 4012662 5350216 6687770 8025324 10031655 10700432 13375540 16050648 20063310 21400864 26751080 32101296 40126620 42801728 53502160 64202592 80253240 107004320 128405184 160506480 214008640 321012960 642025920
- Sum of all divisors σ(n): 2048256000
- Sum of proper divisors (its aliquot sum) s(n): 1406230080
- 642025920 is an abundant number, because the sum of its proper divisors (1406230080) is greater than itself. Its abundance is 764204160
Bases of 642025920
- Binary: 1001100100010010001001110000002
- Hexadecimal: 0x264489C0
- Base-36: AM8UDC
Squares and roots of 642025920
- 642025920 squared (6420259202) is 412197281951846400
- 642025920 cubed (6420259203) is 264641339166633580658688000
-
The
square root of 642025920 is 25338.2304038779 -
The
cube root of 642025920 is 862.6822332857
Scales and comparisons
How big is 642025920?- 642,025,920 seconds is equal to 20 years, 21 weeks, 3 days, 20 hours, 32 minutes.
-
To count from 1 to 642,025,920 would take you about thirty 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 642025920 cubic inches would be around 71.9 feet tall.
Recreational maths with 642025920
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