129121557 is an odd 9-digits composite number following 129121556
and preceding 129121558 . In scientific notation, it is written as 1.29121557 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 86051280 positive integers (up to 129121557) that are relatively prime to 129121557.
129121557 has 8 divisors, whose sum is 172221600
The reverse of 129121557 is 755121921
Previous prime number is 3931
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-nine million one hundred twenty-one thousand five hundred fifty-seven
Scientific notation
1.29121557 × 10^8
Engineering notation
1.29121557 × 10^6
Prime Factorization
3 × 3931 × 10949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129121557
Product of the distinct prime numbers
The prime factorization of 129121557 is 3 × 3931 × 10949.
Since it has a total of 3 prime factors.
1 , 2 , 58 , 8 , 712 , 734 , 5802 , 8502 , 25366 , 56829 , 446578 , 743382 , 5927058 , 6240445 , 20787852 , 29464583 , 483339434 , 649014558 , 53202250 , 7235707306
n×2
258243114
n×3
387364671
n×4
516486228
n×5
645607785
n÷2
64560778.5
n÷3
43040519
n÷3
32280389.25
n÷5
25824311.4
n2
16672376482104249
n3
2.1527632102595E+24
n4
2.7796813756102E+32
n5
3.5891678718269E+40
2 √n
11363.166680112
3 √n
505.43609293055
4 √n
106.59815514403
5 √n
41.898623074011
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
-129121556
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 129121557 can be divided by 8 positive divisors.
The sum of these divisors (counting 129121557) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100011110100010101
3
Ternary
22222222001110220
4
Quaternary
13230203310111
5
Quinary
231023342212
6
Senary
20451304553
8
Octal
754436425
10
Decimal
129121557
12
Duodecimal
372ab159
16
Hexadecimal
7b23d15
20
Vigesimal
20703hh
36
Base36
24vitx
md5
10ab2d1afe566af4639f65aa46d401c1
sha1
f08fa6e3e3086a587e607aef9f1bb9dade485523
sha256
295db79642005ab2feb4c57c5e13936cd6749042f4c460f68303538fb86e24e4
sha512
1538d5421c4c31100acfcc86471517fd397ac4ba92d8a8a5ccb39535a6b9e78b39a4003e1c3ebbc922776d473941d92afb765b7691f8039f5c0a2b610b46e056
ripemd-160
43fb6b9bfce87cdc00a90c82e0d593e587f98ce3
Diameter
258243114
Circumference
811294669.78255
Area
5.2377815474062E+16
Volume
9.0174734483594E+24
Surface area
2.0951126189625E+17
Circumference
811294669.78255
Perimeter
516486228
Area
16672376482104249
Diagonal
182605457.10413
Surface area
100034258892625494
Volume
2.1527632102595E+24
Space diagonal
223645097.0764
Perimeter
387364671
Area
7.2193507874803E+15
Altitude
111822548.5382
Surface area
7.2193507874803E+15
Volume
2.5370557737723E+23
Height
60868485.701377