129441421 is an odd 9-digits composite number following 129441420
and preceding 129441422 . In scientific notation, it is written as 1.29441421 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 127567440 positive integers (up to 129441421) that are relatively prime to 129441421.
129441421 has 8 divisors, whose sum is 131321600
The reverse of 129441421 is 124144921
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred twenty-nine million four hundred forty-one thousand four hundred twenty-one
Scientific notation
1.29441421 × 10^8
Engineering notation
1.29441421 × 10^6
Prime Factorization
709 × 79 × 2311
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129441421
Product of the distinct prime numbers
The prime factorization of 129441421 is 709 × 79 × 2311.
Since it has a total of 3 prime factors.
1 , 7 , 41 , 92 , 234 , 186 , 3973 , 9582 , 58400 , 87503 , 485526 , 83958 , 9609953 , 2134079 , 16134208 , 91688602 , 445694245 , 382198808 , 8261559797 , 9345420837
n×2
258882842
n×3
388324263
n×4
517765684
n×5
647207105
n÷2
64720710.5
n÷3
43147140.333333
n÷3
32360355.25
n÷5
25888284.2
n2
16755081470499241
n3
2.1688015545122E+24
n4
2.8073275508307E+32
n5
3.6338446739197E+40
2 √n
11377.232572115
3 √n
505.8531095231
4 √n
106.66411098451
5 √n
41.919361053603
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
-129441420
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 129441421 can be divided by 8 positive divisors.
The sum of these divisors (counting 129441421) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101110001111010001101
3
Ternary
100000120022020201
4
Quaternary
13231301322031
5
Quinary
231114111141
6
Senary
20502213501
8
Octal
755617215
10
Decimal
129441421
12
Duodecimal
37424291
16
Hexadecimal
7b71e8d
20
Vigesimal
20903b1
36
Base36
252dn1
md5
9ea9686066155ade2bac7f9dad26746a
sha1
9b69988b69d626d2e19e6607c53e49ad0feae072
sha256
cc597f41b4660c018101e72dc8538926ed4faa0c1b05f7d29f9e878602b58401
sha512
27ef74f876ce007cd87e2cf4dfece82e0e7eb80d21a9b01621a51c2e4fa671498991c0c707397c0f8ba142f83c015fe3cc9180859728a1f3af835c59f04e8da5
ripemd-160
84b92767905d595b59142f3313ae9fc2a3fb2025
Diameter
258882842
Circumference
813304434.56765
Area
5.2637640858019E+16
Volume
9.0846547076662E+24
Surface area
2.1055056343208E+17
Circumference
813304434.56765
Perimeter
517765684
Area
16755081470499241
Diagonal
183057813.11105
Surface area
100530488822995446
Volume
2.1688015545122E+24
Space diagonal
224199117.77591
Perimeter
388324263
Area
7.2551630979651E+15
Altitude
112099558.88796
Surface area
7.2551630979651E+15
Volume
2.5559571437392E+23
Height
61019271.037015