7942745139 is an odd 10-digits composite number following 7942745138
and preceding 7942745140 . In scientific notation, it is written as 7.942745139 × 10^9.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 4537565280 positive integers (up to 7942745139) that are relatively prime to 7942745139.
7942745139 has 16 divisors, whose sum is 12106287360
The reverse of 7942745139 is 9315472497
Previous prime number is 4139
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 51
Digital Root 6
Name
seven billion nine hundred forty-two million seven hundred forty-five thousand one hundred thirty-nine
Scientific notation
7.942745139 × 10^9
Engineering notation
7.942745139 × 10^9
Prime Factorization
3 × 7 × 4139 × 91381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7942745139
Product of the distinct prime numbers
The prime factorization of 7942745139 is 3 × 7 × 4139 × 91381.
Since it has a total of 4 prime factors.
7 , 1 , 66 , 7 , 987 , 491 , 4865 , 9105 , 75182 , 95073 , 276723 , 804065 , 2388590 , 1327335 , 96978784 , 6869659 , 953691543 , 300372740 , 5468476991 , 3543183210
n×2
15885490278
n×3
23828235417
n×4
31770980556
n×5
39713725695
n÷2
3971372569.5
n÷3
2647581713
n÷3
1985686284.75
n÷5
1588549027.8
n2
6.3087200343108E+19
n3
5.0108555385834E+29
n4
3.9799948471315E+39
n5
3.1612084725298E+49
2 √n
89122.079974606
3 √n
1995.2173337516
4 √n
298.53321418999
5 √n
95.497966834469
1 , 3 , 7 , 21 , 4139 , 12417 , 28973 , 86919 , 91381 , 274143 , 639667 , 1919001 , 378225959 , 1134677877 , 2647581713 , 7942745139
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7942745138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7942745139 can be divided by 16 positive divisors.
The sum of these divisors (counting 7942745139) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011001011011001010110000110011
3
Ternary
202111112200020222220
4
Quaternary
13121123022300303
5
Quinary
112231320321024
6
Senary
3352052332123
8
Octal
73133126063
10
Decimal
7942745139
12
Duodecimal
1658014043
16
Hexadecimal
1d96cac33
20
Vigesimal
642232gj
36
Base36
3ncwldf
md5
6db42627a6096c57f6df424247685431
sha1
dabea5483572ef78a86d807ad82a593b7dcb44bf
sha256
e53e89426047d75a82fd8231a819ed5044ceb3580ff564aa9ca44ea68980daf0
sha512
99a71c1db25b81df1836d797e363a0622b19b847224ecd798ea108aa1ccc2766b6ab65de24e07692c206c295d4fb7d1fd5c4c7c8b93a2dc068e9b574a8aa18c7
ripemd-160
5e64ef3f42765c8e26f5bb9a17093cd1531ebf57
Diameter
15885490278
Circumference
49905739556.037
Area
1.9819428513346E+20
Volume
2.0989422597618E+30
Surface area
7.9277714053382E+20
Circumference
49905739556.037
Perimeter
31770980556
Area
6.3087200343108E+19
Diagonal
11232737898.047
Surface area
3.7852320205865E+20
Volume
5.0108555385834E+29
Space diagonal
13757238132.319
Perimeter
23828235417
Area
2.7317559075385E+19
Altitude
6878619066.1594
Surface area
2.7317559075385E+19
Volume
5.9053498847975E+28
Height
3744245966.0156