129646768 is an even 9-digits composite number following 129646767
and preceding 129646769 . In scientific notation, it is written as 1.29646768 × 10^8.
The sum of its digits is 49. It has a total of 6 prime factors and 20 positive divisors.
There are 62004800 positive integers (up to 129646768) that are relatively prime to 129646768.
129646768 has 20 divisors, whose sum is 262112688
The reverse of 129646768 is 867646921
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred twenty-nine million six hundred forty-six thousand seven hundred sixty-eight
Scientific notation
1.29646768 × 10^8
Engineering notation
1.29646768 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 23 × 352301
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16205846
Product of the distinct prime numbers
The prime factorization of 129646768 is 2 × 2 × 2 × 2 × 23 × 352301.
Since it has a total of 6 prime factors.
1 , 6 , 26 , 50 , 285 , 725 , 1870 , 9732 , 73679 , 87482 , 851629 , 63142 , 704768 , 8010211 , 9082833 , 41146295 , 775681379 , 841480355 , 1796286276 , 8941073737
n×2
259293536
n×3
388940304
n×4
518587072
n×5
648233840
n÷2
64823384
n÷3
43215589.333333
n÷3
32411692
n÷5
25929353.6
n2
16808284452845824
n3
2.1791397549361E+24
n4
2.8251842624778E+32
n5
3.6627600863471E+40
2 √n
11386.253466351
3 √n
506.12046479062
4 √n
106.7063890606
5 √n
41.932652869822
1 , 2 , 4 , 8 , 16 , 23 , 46 , 92 , 184 , 368 , 352301 , 704602 , 1409204 , 2818408 , 5636816 , 8102923 , 16205846 , 32411692 , 64823384 , 129646768
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129646767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129646768 can be divided by 20 positive divisors.
The sum of these divisors (counting 129646768) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101110100100000010110000
3
Ternary
100000221201221011
4
Quaternary
13232210002300
5
Quinary
231142144033
6
Senary
20510440304
8
Octal
756440260
10
Decimal
129646768
12
Duodecimal
37503094
16
Hexadecimal
7ba40b0
20
Vigesimal
20a5gi8
36
Base36
256s34
md5
d268261d55bb3df5a4d99d7300563eda
sha1
c02780b23ed986a8fa1f9437c139ca990b417a7e
sha256
99ea10d5e09588bc7fce6f895987d3d708402a677d26279c9e2a24d1ccef1d6d
sha512
56b94d7f605c87dc45a6baa72e0340beb6aec996bbd740dba707bb06e89a4beeba40f77ffde0db76d9388ab10329f1d2e7419897dfd09e17f6c2c5b768159996
ripemd-160
88a220b4b47cb926c11ecf654ff0a49adee548ec
Diameter
259293536
Circumference
814594667.82092
Area
5.2804782956508E+16
Volume
9.127959260337E+24
Surface area
2.1121913182603E+17
Circumference
814594667.82092
Perimeter
518587072
Area
16808284452845824
Diagonal
183348217.62344
Surface area
100849706717074944
Volume
2.1791397549361E+24
Space diagonal
224554789.21309
Perimeter
388940304
Area
7.2782006650998E+15
Altitude
112277394.60655
Surface area
7.2782006650998E+15
Volume
2.5681408297809E+23
Height
61116072.541146