7942755931 is an odd 10-digits composite number following 7942755930
and preceding 7942755932 . In scientific notation, it is written as 7.942755931 × 10^9.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 7168724640 positive integers (up to 7942755931) that are relatively prime to 7942755931.
7942755931 has 8 divisors, whose sum is 8066030000
The reverse of 7942755931 is 1395572497
Previous prime number is 121
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 52
Digital Root 7
Name
seven billion nine hundred forty-two million seven hundred fifty-five thousand nine hundred thirty-one
Scientific notation
7.942755931 × 10^9
Engineering notation
7.942755931 × 10^9
Prime Factorization
139 × 121 × 472249
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7942755931
Product of the distinct prime numbers
The prime factorization of 7942755931 is 139 × 121 × 472249.
Since it has a total of 3 prime factors.
3 , 3 , 5 , 25 , 436 , 310 , 4214 , 4580 , 84993 , 32005 , 126460 , 224738 , 4738979 , 7239272 , 54497453 , 42600694 , 78559491 , 842903181 , 8788104587 , 1859029375
n×2
15885511862
n×3
23828267793
n×4
31771023724
n×5
39713779655
n÷2
3971377965.5
n÷3
2647585310.3333
n÷3
1985688982.75
n÷5
1588551186.2
n2
6.3087371779436E+19
n3
5.0108759637231E+29
n4
3.9800164780367E+39
n5
3.1612299486404E+49
2 √n
89122.140520748
3 √n
1995.2182374012
4 √n
298.53331559601
5 √n
95.497992785535
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
-7942755930
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 7942755931 can be divided by 8 positive divisors.
The sum of these divisors (counting 7942755931) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011001011011001101011001011011
3
Ternary
202111112200210210121
4
Quaternary
13121123031121123
5
Quinary
112231321142211
6
Senary
3352052454111
8
Octal
73133153133
10
Decimal
7942755931
12
Duodecimal
165801a337
16
Hexadecimal
1d96cd65b
20
Vigesimal
642249gb
36
Base36
3ncwtp7
md5
fc9f77660d72ee08a7a1669384dacf26
sha1
3e84fd56baff3394a56a1577d2659c351362e49c
sha256
4908b6fd758535e3cd04c8d64187f8f935ab5d0f7850d8ddd1caef12b7f770f1
sha512
4e57e9a6e1ac677a68b51ae8a731c10f8d8d6248f3b1937559b4189f97a60c36539588023b7902ef83497de403bb35f9150e2e83e54fa1e02378ff47cd54d3f8
ripemd-160
29e74559c764ad084d2d8f3b24183ae06b4d90ec
Diameter
15885511862
Circumference
49905807364.173
Area
1.9819482371656E+20
Volume
2.0989508154243E+30
Surface area
7.9277929486625E+20
Circumference
49905807364.173
Perimeter
31771023724
Area
6.3087371779436E+19
Diagonal
11232753160.24
Surface area
3.7852423067661E+20
Volume
5.0108759637231E+29
Space diagonal
13757256824.611
Perimeter
23828267793
Area
2.7317633309492E+19
Altitude
6878628412.3055
Surface area
2.7317633309492E+19
Volume
5.9053739560555E+28
Height
3744251053.4132