129021896 is an even 9-digits composite number following 129021895
and preceding 129021897 . In scientific notation, it is written as 1.29021896 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 8 positive divisors.
There are 64510944 positive integers (up to 129021896) that are relatively prime to 129021896.
129021896 has 8 divisors, whose sum is 241916070
The reverse of 129021896 is 698120921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million twenty-one thousand eight hundred ninety-six
Scientific notation
1.29021896 × 10^8
Engineering notation
1.29021896 × 10^6
Prime Factorization
2 × 2 × 2 × 16127737
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
32255474
Product of the distinct prime numbers
The prime factorization of 129021896 is 2 × 2 × 2 × 16127737.
Since it has a total of 4 prime factors.
5 , 3 , 72 , 91 , 718 , 882 , 9270 , 1194 , 59140 , 42273 , 553563 , 366953 , 3905716 , 7611267 , 33245235 , 8826399 , 332734886 , 822656484 , 3834937348 , 1172379378
n×2
258043792
n×3
387065688
n×4
516087584
n×5
645109480
n÷2
64510948
n÷3
43007298.666667
n÷3
32255474
n÷5
25804379.2
n2
16646649647434816
n3
2.1477822995598E+24
n4
2.7711094448444E+32
n5
3.5753379459733E+40
2 √n
11358.780568353
3 √n
505.3060211002
4 √n
106.57758004549
5 √n
41.892153281449
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
-129021895
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 129021896 can be divided by 8 positive divisors.
The sum of these divisors (counting 129021896) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100001011011111001000
3
Ternary
22222202222202202
4
Quaternary
13230023133020
5
Quinary
231012200041
6
Senary
20445215332
8
Octal
754133710
10
Decimal
129021896
12
Duodecimal
37261548
16
Hexadecimal
7b0b7c8
20
Vigesimal
2067eeg
36
Base36
24tdxk
md5
c24f019893c0be30fe43b252d4d1a729
sha1
cb50ac5d08064338f9b7b7e7e7b24a9ea2925435
sha256
0296558ae437204d1bc5bd1c8a328a5ed9d6f96917e458db1e5627b8214d2fda
sha512
a9b60780e61ce7ddebbb9f3b6f1f209b5d85bf9c89423026e0081ed2198820de698fdf84f478b61d541093e339ea2b588eecb6e9c821507dc7ad36c48ef5210f
ripemd-160
30479ab76b181dc2326c88aa6640d5648731c8fa
Diameter
258043792
Circumference
810668481.25165
Area
5.2296992239264E+16
Volume
8.9966094584096E+24
Surface area
2.0918796895706E+17
Circumference
810668481.25165
Perimeter
516087584
Area
16646649647434816
Diagonal
182464515.16629
Surface area
99879897884608896
Volume
2.1477822995598E+24
Space diagonal
223472479.16087
Perimeter
387065688
Area
7.2082107412889E+15
Altitude
111736239.58043
Surface area
7.2082107412889E+15
Volume
2.5311857142186E+23
Height
60821505.05543