6421372740
6,421,372,740 is an even composite number composed of four prime numbers multiplied together.
6421372740 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 6421372740:
22 × 33 × 5 × 11891431
(2 × 2 × 3 × 3 × 3 × 5 × 11891431)See below for interesting mathematical facts about the number 6421372740 from the Numbermatics database.
Names of 6421372740
- Cardinal: 6421372740 can be written as Six billion, four hundred twenty-one million, three hundred seventy-two thousand, seven hundred forty.
Scientific notation
- Scientific notation: 6.42137274 × 109
Factors of 6421372740
Divisors of 6421372740
- Number of divisors d(n): 48
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 11891431 23782862 35674293 47565724 59457155 71348586 107022879 118914310 142697172 178371465 214045758 237828620 321068637 356742930 428091516 535114395 642137274 713485860 1070228790 1284274548 1605343185 2140457580 3210686370 6421372740
- Sum of all divisors σ(n): 19977605760
- Sum of proper divisors (its aliquot sum) s(n): 13556233020
- 6421372740 is an abundant number, because the sum of its proper divisors (13556233020) is greater than itself. Its abundance is 7134860280
Bases of 6421372740
- Binary: 1011111101011111001011111010001002
- Hexadecimal: 0x17EBE5F44
- Base-36: 2Y74AX0
Squares and roots of 6421372740
- 6421372740 squared (64213727402) is 41234027866015107600
- 6421372740 cubed (64213727403) is 264779062499229784370806824000
-
The
square root of 6421372740 is 80133.4682888491 -
The
cube root of 6421372740 is 1858.6999760715
Scales and comparisons
How big is 6421372740?- 6,421,372,740 seconds is equal to 204 years, 9 weeks, 2 days, 10 hours, 39 minutes.
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To count from 1 to 6,421,372,740 would take you about four hundred eight 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 6421372740 cubic inches would be around 154.9 feet tall.
Recreational maths with 6421372740
- 6421372740 backwards is 0472731246
- 6421372740 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 6421372740's digits is 36
- More coming soon!
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