129156988 is an even 9-digits composite number following 129156987
and preceding 129156989 . In scientific notation, it is written as 1.29156988 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 6 positive divisors.
There are 64578492 positive integers (up to 129156988) that are relatively prime to 129156988.
129156988 has 6 divisors, whose sum is 226024736
The reverse of 129156988 is 889651921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred twenty-nine million one hundred fifty-six thousand nine hundred eighty-eight
Scientific notation
1.29156988 × 10^8
Engineering notation
1.29156988 × 10^6
Prime Factorization
2 × 2 × 32289247
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64578494
Product of the distinct prime numbers
The prime factorization of 129156988 is 2 × 2 × 32289247.
Since it has a total of 3 prime factors.
8 , 7 , 96 , 48 , 687 , 512 , 7945 , 8131 , 92421 , 81136 , 385720 , 486733 , 9422077 , 1620464 , 52399390 , 89829178 , 495320181 , 379088936 , 1101132045 , 4806766473
n×2
258313976
n×3
387470964
n×4
516627952
n×5
645784940
n÷2
64578494
n÷3
43052329.333333
n÷3
32289247
n÷5
25831397.6
n2
16681527549232144
n3
2.1545358534978E+24
n4
2.7827336137579E+32
n5
3.5940949195933E+40
2 √n
11364.725601615
3 √n
505.48231931567
4 √n
106.60546703436
5 √n
41.900922221009
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129156987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129156988 can be divided by 6 positive divisors.
The sum of these divisors (counting 129156988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111101100101100011101111100
3
Ternary
100000000212002011
4
Quaternary
13230230131330
5
Quinary
231031010423
6
Senary
20452141004
8
Octal
754543574
10
Decimal
129156988
12
Duodecimal
37307764
16
Hexadecimal
7b2c77c
20
Vigesimal
2074c98
36
Base36
24wa64
md5
d1abbb403dde52c6d2eb3a90f71c0343
sha1
c6069d08aebe1a88cbcdb486c0cfdc50940abb58
sha256
9326d21bf38fc773d445115072130bdfd53cd95d1a69e2fe19cfd2190fe5caf4
sha512
4039ce6c91e7c08b6f2ba5aa2248d42495823e4a15e801dd642fade4a11fdd03783c5400e20469fc6125a1aae4906ea6133475d3aa2a240c5cec79e608ed8ce6
ripemd-160
913facdb6e55641dff34a955988b0fc63191f34f
Diameter
258313976
Circumference
811517289.32117
Area
5.2406564399323E+16
Volume
9.0248986789929E+24
Surface area
2.0962625759729E+17
Circumference
811517289.32117
Perimeter
516627952
Area
16681527549232144
Diagonal
182655564.10486
Surface area
100089165295392864
Volume
2.1545358534978E+24
Space diagonal
223706465.36856
Perimeter
387470964
Area
7.2233133157825E+15
Altitude
111853232.68428
Surface area
7.2233133157825E+15
Volume
2.5391448538631E+23
Height
60885188.034953