642994000
642,994,000 is an even composite number composed of four prime numbers multiplied together.
642994000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 642994000:
24 × 53 × 112 × 2657
(2 × 2 × 2 × 2 × 5 × 5 × 5 × 11 × 11 × 2657)See below for interesting mathematical facts about the number 642994000 from the Numbermatics database.
Names of 642994000
- Cardinal: 642994000 can be written as Six hundred forty-two million, nine hundred ninety-four thousand.
Scientific notation
- Scientific notation: 6.42994 × 108
Factors of 642994000
Divisors of 642994000
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 121 125 176 200 220 242 250 275 400 440 484 500 550 605 880 968 1000 1100 1210 1375 1936 2000 2200 2420 2657 2750 3025 4400 4840 5314 5500 6050 9680 10628 11000 12100 13285 15125 21256 22000 24200 26570 29227 30250 42512 48400 53140 58454 60500 66425 106280 116908 121000 132850 146135 212560 233816 242000 265700 292270 321497 332125 467632 531400 584540 642994 664250 730675 1062800 1169080 1285988 1328500 1461350 1607485 2338160 2571976 2657000 2922700 3214970 3653375 5143952 5314000 5845400 6429940 7306750 8037425 11690800 12859880 14613500 16074850 25719760 29227000 32149700 40187125 58454000 64299400 80374250 128598800 160748500 321497000 642994000
- Sum of all divisors σ(n): 1709593704
- Sum of proper divisors (its aliquot sum) s(n): 1066599704
- 642994000 is an abundant number, because the sum of its proper divisors (1066599704) is greater than itself. Its abundance is 423605704
Bases of 642994000
- Binary: 1001100101001101001111010100002
- Hexadecimal: 0x26534F50
- Base-36: AMTLCG
Squares and roots of 642994000
- 642994000 squared (6429940002) is 413441284036000000
- 642994000 cubed (6429940003) is 265840264987443784000000000
-
The
square root of 642994000 is 25357.3263574849 -
The
cube root of 642994000 is 863.1156145471
Scales and comparisons
How big is 642994000?- 642,994,000 seconds is equal to 20 years, 23 weeks, 1 day, 1 hour, 26 minutes, 40 seconds.
-
To count from 1 to 642,994,000 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 642994000 cubic inches would be around 71.9 feet tall.
Recreational maths with 642994000
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