7942865139 is an odd 10-digits composite number following 7942865138
and preceding 7942865140 . In scientific notation, it is written as 7.942865139 × 10^9.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 4813857600 positive integers (up to 7942865139) that are relatively prime to 7942865139.
7942865139 has 8 divisors, whose sum is 9627715440
The reverse of 7942865139 is 9315682497
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
seven billion nine hundred forty-two million eight hundred sixty-five thousand one hundred thirty-nine
Scientific notation
7.942865139 × 10^9
Engineering notation
7.942865139 × 10^9
Prime Factorization
11 × 9 × 80230961
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7942865139
Product of the distinct prime numbers
The prime factorization of 7942865139 is 11 × 9 × 80230961.
Since it has a total of 3 prime factors.
3 , 1 , 39 , 44 , 21 , 979 , 9360 , 5076 , 4395 , 34196 , 701671 , 17933 , 8588840 , 7635809 , 17708860 , 18752582 , 921852397 , 500146575 , 3422692694 , 6645236754
n×2
15885730278
n×3
23828595417
n×4
31771460556
n×5
39714325695
n÷2
3971432569.5
n÷3
2647621713
n÷3
1985716284.75
n÷5
1588573027.8
n2
6.3089106616341E+19
n3
5.0110826559359E+29
n4
3.9802353736481E+39
n5
3.1614472794364E+49
2 √n
89122.753205901
3 √n
1995.2273816998
4 √n
298.53434175301
5 √n
95.498255391802
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7942865138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7942865139 can be divided by 8 positive divisors.
The sum of these divisors (counting 7942865139) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011001011011101000000011110011
3
Ternary
202111112220100121100
4
Quaternary
13121123220003303
5
Quinary
112231333141024
6
Senary
3352055055443
8
Octal
73133500363
10
Decimal
7942865139
12
Duodecimal
1658071583
16
Hexadecimal
1d96e80f3
20
Vigesimal
6422i2gj
36
Base36
3ncz5yr
md5
785e0431bf0ffc4881d46a00eb8d2fb9
sha1
e31f1bbc611815d86615a7db937eeadd162ce27d
sha256
7fa59331d70d0930a23cb8a5cf4d6c7fc1480efe7df2c262bdf13ee68125179b
sha512
04f5143678999ff773a50383906350911307a9cd1982237130e7c60a6703452b5387efded95b210494b7a52dfaf62f45a221e90635367f194143cca22a25928e
ripemd-160
fb61277139c5a6a18731c36510e83f97923b5854
Diameter
15885730278
Circumference
49906493538.274
Area
1.9820027386744E+20
Volume
2.0990373944559E+30
Surface area
7.9280109546977E+20
Circumference
49906493538.274
Perimeter
31771460556
Area
6.3089106616341E+19
Diagonal
11232907603.674
Surface area
3.7853463969805E+20
Volume
5.0110826559359E+29
Space diagonal
13757445978.416
Perimeter
23828595417
Area
2.7318384515908E+19
Altitude
6878722989.2078
Surface area
2.7318384515908E+19
Volume
5.9056175451643E+28
Height
3744302534.5581