242742721 is an odd 9-digits composite number following 242742720
and preceding 242742722 . In scientific notation, it is written as 2.42742721 × 10^8.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 224070192 positive integers (up to 242742721) that are relatively prime to 242742721.
242742721 has 4 divisors, whose sum is 261415252
The reverse of 242742721 is 127247242
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
two hundred forty-two million seven hundred forty-two thousand seven hundred twenty-one
Scientific notation
2.42742721 × 10^8
Engineering notation
2.42742721 × 10^6
Prime Factorization
13 × 18672517
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
242742721
Product of the distinct prime numbers
The prime factorization of 242742721 is 13 × 18672517.
Since it has a total of 2 prime factors.
6 , 6 , 49 , 12 , 838 , 428 , 1455 , 6610 , 7741 , 36093 , 324140 , 882590 , 1668169 , 7685578 , 66332168 , 10621704 , 115838192 , 981225058 , 1497399648 , 1798187016
n×2
485485442
n×3
728228163
n×4
970970884
n×5
1213713605
n÷2
121371360.5
n÷3
80914240.333333
n÷3
60685680.25
n÷5
48548544.2
n2
58924028598483841
n3
1.4303379034278E+25
n4
3.4720411462749E+33
n5
8.4281271527074E+41
2 √n
15580.202854905
3 √n
623.80483791695
4 √n
124.82068280099
5 √n
47.536723365598
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-242742720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 242742721 can be divided by 4 positive divisors.
The sum of these divisors (counting 242742721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110011101111111010111000001
3
Ternary
121220202121102011
4
Quaternary
32131333113001
5
Quinary
444120231341
6
Senary
40030452521
8
Octal
1635772701
10
Decimal
242742721
12
Duodecimal
69364141
16
Hexadecimal
e77f5c1
20
Vigesimal
3fh2gg1
36
Base36
40ithd
md5
3df5602fc1c77b14f8f66efbe5c1a74a
sha1
6601f4f693ec5133d13cf42b189e0dadda44f3c4
sha256
97a1247ec859d167bcb20d91f4cfd644f37813237b250046d0e4954a7327c3ca
sha512
c281e70115159062c3b9aec6b657f45a97d815afea44b1fcd93d1efca7397b1600f1119b807612bea410afd13f55bf807e485084fb24c9bea0eb74301b83d2ee
ripemd-160
48d6db9e0fa590821a8c601a9e003736a90fd8a8
Diameter
485485442
Circumference
1525197498.012
Area
1.8511529536491E+17
Volume
5.991385399413E+25
Surface area
7.4046118145965E+17
Circumference
1525197498.012
Perimeter
970970884
Area
58924028598483841
Diagonal
343290048.20555
Surface area
353544171590903046
Volume
1.4303379034278E+25
Space diagonal
420442725.93952
Perimeter
728228163
Area
2.5514852829804E+16
Altitude
210221362.96976
Surface area
2.5514852829804E+16
Volume
1.6856693848366E+24
Height
114430016.06852