129121371 is an odd 9-digits composite number following 129121370
and preceding 129121372 . In scientific notation, it is written as 1.29121371 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 85313088 positive integers (up to 129121371) that are relatively prime to 129121371.
129121371 has 12 divisors, whose sum is 146356392
The reverse of 129121371 is 173121921
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-nine million one hundred twenty-one thousand three hundred seventy-one
Scientific notation
1.29121371 × 10^8
Engineering notation
1.29121371 × 10^6
Prime Factorization
9 × 9 × 113 × 14107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14346819
Product of the distinct prime numbers
The prime factorization of 129121371 is 9 × 9 × 113 × 14107.
Since it has a total of 4 prime factors.
10 , 2 , 95 , 62 , 881 , 924 , 3235 , 8077 , 27084 , 39589 , 172142 , 119504 , 2916923 , 8665257 , 60517342 , 1068544 , 81098526 , 471993158 , 5892385624 , 5113791719
n×2
258242742
n×3
387364113
n×4
516485484
n×5
645606855
n÷2
64560685.5
n÷3
43040457
n÷3
32280342.75
n÷5
25824274.2
n2
16672328448919641
n3
2.1527539070868E+24
n4
2.7796653590866E+32
n5
3.5891420208646E+40
2 √n
11363.15849577
3 √n
505.43585023635
4 √n
106.59811675527
5 √n
41.898611002985
1 , 9 , 81 , 113 , 1017 , 9153 , 14107 , 126963 , 1142667 , 1594091 , 14346819 , 129121371
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129121370
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129121371 can be divided by 12 positive divisors.
The sum of these divisors (counting 129121371) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100100011110001011011
3
Ternary
22222222001020000
4
Quaternary
13230203301123
5
Quinary
231023340441
6
Senary
20451304043
8
Octal
754436133
10
Decimal
129121371
12
Duodecimal
372ab023
16
Hexadecimal
7b23c5b
20
Vigesimal
207038b
36
Base36
24vior
md5
df008babf9f8a0dd3d6561ba10eb6215
sha1
d2852edac026ae86bfd115f4fef9c8b6dd5cb672
sha256
ab8a81a5ac7fb4f9e35461dfa32f3741a6300f4ba73badf707e064efd4ddbba8
sha512
d5c7b4fa07725d71610aa6b5357e89379bd913f0a3eabac621ac48d382411a226957f1a5fdc66af1a13526f3bd13fae20e0743259dd7f90d28465efe08d21811
ripemd-160
d634465aeb178b4a5665e396807a17a42a1d373e
Diameter
258242742
Circumference
811293501.11008
Area
5.2377664573362E+16
Volume
9.0174344793209E+24
Surface area
2.0951065829345E+17
Circumference
811293501.11008
Perimeter
516485484
Area
16672328448919641
Diagonal
182605194.06041
Surface area
100033970693517846
Volume
2.1527539070868E+24
Space diagonal
223644774.91495
Perimeter
387364113
Area
7.2193299885012E+15
Altitude
111822387.45748
Surface area
7.2193299885012E+15
Volume
2.5370448098782E+23
Height
60868398.020136