7129121942 is an even 10-digits composite number following 7129121941
and preceding 7129121943 . In scientific notation, it is written as 7.129121942 × 10^9.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 3555581832 positive integers (up to 7129121942) that are relatively prime to 7129121942.
7129121942 has 8 divisors, whose sum is 10720620336
The reverse of 7129121942 is 2491219217
Previous prime number is 397
Is Prime? no
Number parity even
Number length 10
Sum of Digits 38
Digital Root 2
Name
seven billion one hundred twenty-nine million one hundred twenty-one thousand nine hundred forty-two
Scientific notation
7.129121942 × 10^9
Engineering notation
7.129121942 × 10^9
Prime Factorization
2 × 397 × 8978743
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7129121942
Product of the distinct prime numbers
The prime factorization of 7129121942 is 2 × 397 × 8978743.
Since it has a total of 3 prime factors.
6 , 3 , 66 , 34 , 511 , 766 , 6533 , 3348 , 82938 , 47506 , 181396 , 32724 , 3750605 , 639665 , 35814830 , 76402531 , 421335325 , 320801710 , 8213221078 , 4390637905
n×2
14258243884
n×3
21387365826
n×4
28516487768
n×5
35645609710
n÷2
3564560971
n÷3
2376373980.6667
n÷3
1782280485.5
n÷5
1425824388.4
n2
5.0824379663906E+19
n3
3.6233320025049E+29
n4
2.5831175682208E+39
n5
1.8415360134369E+49
2 √n
84434.127827556
3 √n
1924.621565413
4 √n
290.57551140376
5 √n
93.456004252429
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
-7129121941
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 7129121942 can be divided by 8 positive divisors.
The sum of these divisors (counting 7129121942) is 1, the average is 0.125.
Base
System
Value
2
Binary
110101000111011011100010010010110
3
Ternary
200101211200220210102
4
Quaternary
12220323130102112
5
Quinary
104100023400232
6
Senary
3135225454102
8
Octal
65073342226
10
Decimal
7129121942
12
Duodecimal
146b641332
16
Hexadecimal
1a8edc496
20
Vigesimal
5b7h04h2
36
Base36
39whtp2
md5
1eb5a3665fd28a9abaacc716b3941b83
sha1
c28bd50537f2f367c1e4411e26d3a169f00b8b35
sha256
1414f7bfcb98f60a952aacc3d2e21cf104987060253cec2fe6296eeeb9cb6582
sha512
d4384e81a881faf122a8b89614229d943039d7376d161f57e9e2a74fa7e9a884bd7e6aac0c5dae67b3d7fc98eeedf978d3272214b078ead811b289cfa5c0822b
ripemd-160
db24064152eb203467e999ddd5fecf12b6122883
Diameter
14258243884
Circumference
44793594239.066
Area
1.5966949777539E+20
Volume
1.5177377600782E+30
Surface area
6.3867799110154E+20
Circumference
44793594239.066
Perimeter
28516487768
Area
5.0824379663906E+19
Diagonal
10082100938.188
Surface area
3.0494627798344E+20
Volume
3.6233320025049E+29
Space diagonal
12348001416.898
Perimeter
21387365826
Area
2.2007601960264E+19
Altitude
6174000708.4491
Surface area
2.2007601960264E+19
Volume
4.2701377157691E+28
Height
3360700312.7293