129021897 is an odd 9-digits composite number following 129021896
and preceding 129021898 . In scientific notation, it is written as 1.29021897 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 86014596 positive integers (up to 129021897) that are relatively prime to 129021897.
129021897 has 4 divisors, whose sum is 172029200
The reverse of 129021897 is 798120921
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-nine million twenty-one thousand eight hundred ninety-seven
Scientific notation
1.29021897 × 10^8
Engineering notation
1.29021897 × 10^6
Prime Factorization
3 × 43007299
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129021897
Product of the distinct prime numbers
The prime factorization of 129021897 is 3 × 43007299.
Since it has a total of 2 prime factors.
2 , 10 , 10 , 65 , 192 , 567 , 4232 , 9858 , 25194 , 93061 , 264054 , 539604 , 3409635 , 1207220 , 66147911 , 5779822 , 346540051 , 404834078 , 5334310718 , 972632543
n×2
258043794
n×3
387065691
n×4
516087588
n×5
645109485
n÷2
64510948.5
n÷3
43007299
n÷3
32255474.25
n÷5
25804379.4
n2
16646649905478609
n3
2.1477823494997E+24
n4
2.7711095307557E+32
n5
3.5753380845288E+40
2 √n
11358.780612372
3 √n
505.30602240568
4 √n
106.577580252
5 √n
41.892153346387
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129021896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129021897 can be divided by 4 positive divisors.
The sum of these divisors (counting 129021897) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100001011011111001001
3
Ternary
22222202222202210
4
Quaternary
13230023133021
5
Quinary
231012200042
6
Senary
20445215333
8
Octal
754133711
10
Decimal
129021897
12
Duodecimal
37261549
16
Hexadecimal
7b0b7c9
20
Vigesimal
2067eeh
36
Base36
24tdxl
md5
10e221803a9cef1d526b6216f0e405b0
sha1
cfabf83486e7c6411b245bdbc48a4e11c06832a5
sha256
6b6d11b20503184a02fea411cbdc51fca6db34949880c3e777e9729eb097e50f
sha512
1ffd37bee7003147a02114d4f7239d2b44446c1df1761d2dd644bff0f1a4a1ccf816a953f81f74970f3b33d4ed11343b89dea539cbc5dc3f2f661d37248b3cef
ripemd-160
c520cd63b061e6d84f6adf8d29d56528593d80c7
Diameter
258043794
Circumference
810668487.53484
Area
5.2296993049933E+16
Volume
8.9966096675975E+24
Surface area
2.0918797219973E+17
Circumference
810668487.53484
Perimeter
516087588
Area
16646649905478609
Diagonal
182464516.5805
Surface area
99879899432871654
Volume
2.1477823494997E+24
Space diagonal
223472480.89292
Perimeter
387065691
Area
7.2082108530251E+15
Altitude
111736240.44646
Surface area
7.2082108530251E+15
Volume
2.5311857730734E+23
Height
60821505.526835