129127916 is an even 9-digits composite number following 129127915
and preceding 129127917 . In scientific notation, it is written as 1.29127916 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 64239120 positive integers (up to 129127916) that are relatively prime to 129127916.
129127916 has 12 divisors, whose sum is 227110800
The reverse of 129127916 is 619721921
Previous prime number is 199
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million one hundred twenty-seven thousand nine hundred sixteen
Scientific notation
1.29127916 × 10^8
Engineering notation
1.29127916 × 10^6
Prime Factorization
2 × 2 × 199 × 162221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64563958
Product of the distinct prime numbers
The prime factorization of 129127916 is 2 × 2 × 199 × 162221.
Since it has a total of 4 prime factors.
9 , 3 , 9 , 71 , 376 , 442 , 6263 , 1995 , 79242 , 2016 , 543965 , 768703 , 7222092 , 5677280 , 94798181 , 45323985 , 914148543 , 428971652 , 5333568610 , 3221922199
n×2
258255832
n×3
387383748
n×4
516511664
n×5
645639580
n÷2
64563958
n÷3
43042638.666667
n÷3
32281979
n÷5
25825583.2
n2
16674018690503056
n3
2.1530812848497E+24
n4
2.7802289929125E+32
n5
3.5900517585756E+40
2 √n
11363.446484232
3 √n
505.44439006138
4 √n
106.59946756073
5 √n
41.899035751959
1 , 2 , 4 , 199 , 398 , 796 , 162221 , 324442 , 648884 , 32281979 , 64563958 , 129127916
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
-129127915
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 129127916 can be divided by 12 positive divisors.
The sum of these divisors (counting 129127916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100100101010111101100
3
Ternary
22222222101012102
4
Quaternary
13230211113230
5
Quinary
231024043131
6
Senary
20451354232
8
Octal
754452754
10
Decimal
129127916
12
Duodecimal
372b2978
16
Hexadecimal
7b255ec
20
Vigesimal
2070jfg
36
Base36
24vnqk
md5
4ce21d41f1ef138c44ebc293b6f15b0c
sha1
8e4ab12ed1ce39d391c83f2d18f59144b3a09975
sha256
bed2014d295c622d0d270d3d47dc5d93f000a6e6af83176570ae89a3e8a33a24
sha512
43d52b048f75105a7d55aad4b65eb2ef204ec992c8359b48a8770360c2249e51d3f6074b28bacd32364d56e4e438d7ecdbb8d49c57570d5f690a4e6593984f4f
ripemd-160
789403dc34026bf364d2a3cd46889d63a05f3358
Diameter
258255832
Circumference
811334624.55792
Area
5.2382974623903E+16
Volume
9.0188057960874E+24
Surface area
2.0953189849561E+17
Circumference
811334624.55792
Perimeter
516511664
Area
16674018690503056
Diagonal
182614450.08817
Surface area
100044112143018336
Volume
2.1530812848497E+24
Space diagonal
223656111.18749
Perimeter
387383748
Area
7.2200618845761E+15
Altitude
111828055.59374
Surface area
7.2200618845761E+15
Volume
2.5374306282718E+23
Height
60871483.362725