129281311 is an odd 9-digits composite number following 129281310
and preceding 129281312 . In scientific notation, it is written as 1.29281311 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 120307968 positive integers (up to 129281311) that are relatively prime to 129281311.
129281311 has 8 divisors, whose sum is 138425760
The reverse of 129281311 is 113182921
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred twenty-nine million two hundred eighty-one thousand three hundred eleven
Scientific notation
1.29281311 × 10^8
Engineering notation
1.29281311 × 10^6
Prime Factorization
17 × 89 × 85447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129281311
Product of the distinct prime numbers
The prime factorization of 129281311 is 17 × 89 × 85447.
Since it has a total of 3 prime factors.
6 , 3 , 40 , 67 , 384 , 905 , 9612 , 5672 , 77035 , 35023 , 66711 , 552218 , 390916 , 2541531 , 98460695 , 56301452 , 353344326 , 801953410 , 8222798910 , 7515686900
n×2
258562622
n×3
387843933
n×4
517125244
n×5
646406555
n÷2
64640655.5
n÷3
43093770.333333
n÷3
32320327.75
n÷5
25856262.2
n2
16713657373878721
n3
2.1607635368999E+24
n4
2.7934634281141E+32
n5
3.6114261421715E+40
2 √n
11370.193973719
3 √n
505.64445514343
4 √n
106.6311116594
5 √n
41.908985654323
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
-129281310
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 129281311 can be divided by 8 positive divisors.
The sum of these divisors (counting 129281311) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101001010110100011111
3
Ternary
100000021011121201
4
Quaternary
13231022310133
5
Quinary
231044000221
6
Senary
20454540331
8
Octal
755126437
10
Decimal
129281311
12
Duodecimal
373676a7
16
Hexadecimal
7b4ad1f
20
Vigesimal
208035b
36
Base36
24yy3j
md5
64db1f157ddca6138c5924b0fb27074b
sha1
9ee15df863c2b69d61dffc6ddc76bf0cbbbba825
sha256
21fe0ade6f6f2088595dc3e7feebee79055809bc54fe7f7873f27601bb09d7aa
sha512
c35076adaf77238f5f9ef98d21b464829467b18d4ee95df5d7b0386839f6cf757a952276f75e4bddc458b94f3d564f935c93f282a74f4ba162bb28f720a1839a
ripemd-160
faf54f10e68dabced9c61bc19380d117e59c4770
Diameter
258562622
Circumference
812298433.76811
Area
5.2507503220394E+16
Volume
9.0509851382257E+24
Surface area
2.1003001288158E+17
Circumference
812298433.76811
Perimeter
517125244
Area
16713657373878721
Diagonal
182831383.37757
Surface area
100281944243272326
Volume
2.1607635368999E+24
Space diagonal
223921799.12111
Perimeter
387843933
Area
7.237225937964E+15
Altitude
111960899.56056
Surface area
7.237225937964E+15
Volume
2.5464842491375E+23
Height
60943794.459191