129646916 is an even 9-digits composite number following 129646915
and preceding 129646917 . In scientific notation, it is written as 1.29646916 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 55562952 positive integers (up to 129646916) that are relatively prime to 129646916.
129646916 has 12 divisors, whose sum is 259293888
The reverse of 129646916 is 619646921
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-nine million six hundred forty-six thousand nine hundred sixteen
Scientific notation
1.29646916 × 10^8
Engineering notation
1.29646916 × 10^6
Prime Factorization
2 × 2 × 7 × 4630247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64823458
Product of the distinct prime numbers
The prime factorization of 129646916 is 2 × 2 × 7 × 4630247.
Since it has a total of 4 prime factors.
2 , 10 , 81 , 46 , 677 , 764 , 3127 , 1281 , 48717 , 234 , 232909 , 320057 , 4943680 , 9195057 , 5578973 , 88526409 , 92976794 , 881045770 , 2981958835 , 3309394400
n×2
259293832
n×3
388940748
n×4
518587664
n×5
648234580
n÷2
64823458
n÷3
43215638.666667
n÷3
32411729
n÷5
25929383.2
n2
16808322828311056
n3
2.1791472178229E+24
n4
2.8251971630072E+32
n5
3.6627809927584E+40
2 √n
11386.259965414
3 √n
506.12065738007
4 √n
106.70641951361
5 √n
41.932662443574
1 , 2 , 4 , 7 , 14 , 28 , 4630247 , 9260494 , 18520988 , 32411729 , 64823458 , 129646916
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
-129646915
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 129646916 can be divided by 12 positive divisors.
The sum of these divisors (counting 129646916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101110100100000101000100
3
Ternary
100000221202010122
4
Quaternary
13232210011010
5
Quinary
231142200131
6
Senary
20510441112
8
Octal
756440504
10
Decimal
129646916
12
Duodecimal
37503198
16
Hexadecimal
7ba4144
20
Vigesimal
20a5h5g
36
Base36
256s78
md5
5d7938a703c9f12d060b4db97f18564c
sha1
001e6a06b6a5565e589f7d3fd5c0f36c60c92052
sha256
7448aed22b84be32efab68d72c190113f3b5e5eaa85194690ba85952c7cec630
sha512
eff6dafc6ec6cb0d2a691ab036aa7c8e814b3be512d12fe5ab0a720ac0eb6b2f49f43b1f02218f0cb9dbf6ee4ef4bb41d7bec09db2acd791c62bf65dc48a0df9
ripemd-160
a0a5a03f81c3dafa4a91ecd2d9092854033ee3e2
Diameter
259293832
Circumference
814595597.73235
Area
5.2804903516588E+16
Volume
9.1279905208042E+24
Surface area
2.1121961406635E+17
Circumference
814595597.73235
Perimeter
518587664
Area
16808322828311056
Diagonal
183348426.92705
Surface area
100849936969866336
Volume
2.1791472178229E+24
Space diagonal
224555045.55661
Perimeter
388940748
Area
7.2782172821636E+15
Altitude
112277522.77831
Surface area
7.2782172821636E+15
Volume
2.5681496248773E+23
Height
61116142.309015