129451009 is an odd 9-digits composite number following 129451008
and preceding 129451010 . In scientific notation, it is written as 1.29451009 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 118098000 positive integers (up to 129451009) that are relatively prime to 129451009.
129451009 has 8 divisors, whose sum is 136448480
The reverse of 129451009 is 900154921
Previous prime number is 8401
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-nine million four hundred fifty-one thousand nine
Scientific notation
1.29451009 × 10^8
Engineering notation
1.29451009 × 10^6
Prime Factorization
19 × 8401 × 811
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129451009
Product of the distinct prime numbers
The prime factorization of 129451009 is 19 × 8401 × 811.
Since it has a total of 3 prime factors.
10 , 8 , 89 , 3 , 974 , 150 , 194 , 3795 , 17537 , 35487 , 225466 , 318464 , 6578905 , 9530442 , 11220609 , 6386159 , 194619839 , 796610697 , 8506209097 , 7478074670
n×2
258902018
n×3
388353027
n×4
517804036
n×5
647255045
n÷2
64725504.5
n÷3
43150336.333333
n÷3
32362752.25
n÷5
25890201.8
n2
16757563731118081
n3
2.169283533375E+24
n4
2.8081594220248E+32
n5
3.6351907061397E+40
2 √n
11377.65393216
3 √n
505.86559908486
4 √n
106.66608613875
5 √n
41.919982046362
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
-129451008
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 129451009 can be divided by 8 positive divisors.
The sum of these divisors (counting 129451009) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101110100010000000001
3
Ternary
100000120210101211
4
Quaternary
13231310100001
5
Quinary
231114413014
6
Senary
20502330121
8
Octal
755642001
10
Decimal
129451009
12
Duodecimal
37429941
16
Hexadecimal
7b74401
20
Vigesimal
20917a9
36
Base36
252l1d
md5
c4d045d28dd29b25993677b8864b1790
sha1
9756c9595ff590e10f6ff374c051591405124ba6
sha256
27bcf77914bdd77da8281fec127967ee7b0bd3f2245921791e74f088142bc608
sha512
78aa68fe2929b7d9e3eea95f5593b00168d653113fb39fe1740491df613604904866f90e990f1df6d0c5e8737971cbfc74d2a7ea847d2d5e1d1a6ea2868fd54a
ripemd-160
9f17a7155ad5dee3242d8f9f85426cb0b5ec3acd
Diameter
258902018
Circumference
813364677.74837
Area
5.2645439109743E+16
Volume
9.0866736160058E+24
Surface area
2.1058175643897E+17
Circumference
813364677.74837
Perimeter
517804036
Area
16757563731118081
Diagonal
183071372.59068
Surface area
100545382386708486
Volume
2.169283533375E+24
Space diagonal
224215724.67906
Perimeter
388353027
Area
7.2562379483425E+15
Altitude
112107862.33953
Surface area
7.2562379483425E+15
Volume
2.5565251612763E+23
Height
61023790.863561