129621904 is an even 9-digits composite number following 129621903
and preceding 129621905 . In scientific notation, it is written as 1.29621904 × 10^8.
The sum of its digits is 34. It has a total of 5 prime factors and 10 positive divisors.
There are 64810944 positive integers (up to 129621904) that are relatively prime to 129621904.
129621904 has 10 divisors, whose sum is 251142470
The reverse of 129621904 is 409126921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-nine million six hundred twenty-one thousand nine hundred four
Scientific notation
1.29621904 × 10^8
Engineering notation
1.29621904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 8101369
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
16202738
Product of the distinct prime numbers
The prime factorization of 129621904 is 2 × 2 × 2 × 2 × 8101369.
Since it has a total of 5 prime factors.
6 , 5 , 10 , 61 , 625 , 449 , 5560 , 5709 , 62415 , 37697 , 37406 , 574228 , 8519643 , 8931933 , 19098674 , 82191727 , 71408257 , 592109154 , 5348293641 , 9873063051
n×2
259243808
n×3
388865712
n×4
518487616
n×5
648109520
n÷2
64810952
n÷3
43207301.333333
n÷3
32405476
n÷5
25924380.8
n2
16801837996585216
n3
2.1778862318169E+24
n4
2.8230176006349E+32
n5
3.6592491641981E+40
2 √n
11385.161571098
3 √n
506.08810768165
4 √n
106.70127258425
5 √n
41.931044355413
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129621903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129621904 can be divided by 10 positive divisors.
The sum of these divisors (counting 129621904) is 1, the average is 0.1.
Base
System
Value
2
Binary
111101110011101111110010000
3
Ternary
100000220110211021
4
Quaternary
13232131332100
5
Quinary
231140400104
6
Senary
20510125224
8
Octal
756357620
10
Decimal
129621904
12
Duodecimal
374b0814
16
Hexadecimal
7b9df90
20
Vigesimal
20a2ef4
36
Base36
2568wg
md5
ae6dffcd8a3356fdaffa443afbfefede
sha1
65bf1d0e06882e15bc4aa591f9e56b918c037cec
sha256
f9820aaaf1a16f2caae09ef735fff7c41c61ac7b3fe9e7cc1066d37b52933776
sha512
59f0a2453b5e616e84c6a2f30efeba034090406473aa8a0f5eb06870787e1cb849d1ce37e369146d0b6347ee0102fd66099f7bcdd3067b0d8b84b0724164453a
ripemd-160
3e6e3296123519104e6f1df70058df5da37aeb48
Diameter
259243808
Circumference
814438442.70144
Area
5.2784530816878E+16
Volume
9.1227085149739E+24
Surface area
2.1113812326751E+17
Circumference
814438442.70144
Perimeter
518487616
Area
16801837996585216
Diagonal
183313054.61742
Surface area
100811027979511296
Volume
2.1778862318169E+24
Space diagonal
224511723.50182
Perimeter
388865712
Area
7.2754092676567E+15
Altitude
112255861.75091
Surface area
7.2754092676567E+15
Volume
2.5666635386176E+23
Height
61104351.539141