129677918 is an even 9-digits composite number following 129677917
and preceding 129677919 . In scientific notation, it is written as 1.29677918 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 64425816 positive integers (up to 129677918) that are relatively prime to 129677918.
129677918 has 8 divisors, whose sum is 195756312
The reverse of 129677918 is 819776921
Previous prime number is 157
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-nine million six hundred seventy-seven thousand nine hundred eighteen
Scientific notation
1.29677918 × 10^8
Engineering notation
1.29677918 × 10^6
Prime Factorization
2 × 157 × 412987
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129677918
Product of the distinct prime numbers
The prime factorization of 129677918 is 2 × 157 × 412987.
Since it has a total of 3 prime factors.
8 , 5 , 3 , 65 , 55 , 688 , 1856 , 8622 , 29205 , 9822 , 838490 , 836912 , 3492918 , 5589703 , 3789714 , 999227 , 681292378 , 391481431 , 7794227171 , 9615206507
n×2
259355836
n×3
389033754
n×4
518711672
n×5
648389590
n÷2
64838959
n÷3
43225972.666667
n÷3
32419479.5
n÷5
25935583.6
n2
16816362416814724
n3
2.180710866546E+24
n4
2.8279004493366E+32
n5
3.6671624258123E+40
2 √n
11387.621261703
3 √n
506.16099643474
4 √n
106.71279802209
5 √n
41.934667693083
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
-129677917
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 129677918 can be divided by 8 positive divisors.
The sum of these divisors (counting 129677918) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110101011101001011110
3
Ternary
100001000022122212
4
Quaternary
13232223221132
5
Quinary
231144143133
6
Senary
20511240422
8
Octal
756535136
10
Decimal
129677918
12
Duodecimal
37519112
16
Hexadecimal
7baba5e
20
Vigesimal
20a9efi
36
Base36
257g4e
md5
1482bd3d316096fd9b7ab35449a04cb4
sha1
66cf4fec774087f3b1532bc1252ff60cb7ef3301
sha256
9113f078fd46e3f049682efee75e287c76b33f8992204a7fba182b8e5f921805
sha512
20c81f79e1aace6379cdea58d606ccc0e14e2574407c0ab521625d172aba665cb89b1ca8859aba589d6b0dd8ab61cac33328f94d61bfe35a4dfb1d65aba2e231
ripemd-160
4583d5e11c9fec82afd9bd7c555a966ceb935029
Diameter
259355836
Circumference
814790389.04324
Area
5.2830160628769E+16
Volume
9.134540317259E+24
Surface area
2.1132064251507E+17
Circumference
814790389.04324
Perimeter
518711672
Area
16816362416814724
Diagonal
183392270.37591
Surface area
100898174500888344
Volume
2.180710866546E+24
Space diagonal
224608742.59575
Perimeter
389033754
Area
7.2816985261037E+15
Altitude
112304371.29788
Surface area
7.2816985261037E+15
Volume
2.5699924025698E+23
Height
61130756.791969