129449815 is an odd 9-digits composite number following 129449814
and preceding 129449816 . In scientific notation, it is written as 1.29449815 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 88606720 positive integers (up to 129449815) that are relatively prime to 129449815.
129449815 has 8 divisors, whose sum is 156171600
The reverse of 129449815 is 518944921
Previous prime number is 187
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-nine million four hundred forty-nine thousand eight hundred fifteen
Scientific notation
1.29449815 × 10^8
Engineering notation
1.29449815 × 10^6
Prime Factorization
5 × 187 × 138449
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129449815
Product of the distinct prime numbers
The prime factorization of 129449815 is 5 × 187 × 138449.
Since it has a total of 3 prime factors.
10 , 3 , 44 , 58 , 165 , 658 , 7837 , 5541 , 51912 , 49596 , 172429 , 46509 , 8765637 , 7440958 , 56569360 , 5359509 , 844148819 , 881221358 , 1633998312 , 7711579209
n×2
258899630
n×3
388349445
n×4
517799260
n×5
647249075
n÷2
64724907.5
n÷3
43149938.333333
n÷3
32362453.75
n÷5
25889963
n2
16757254603534225
n3
2.1692235083354E+24
n4
2.8080558184767E+32
n5
3.6350230621148E+40
2 √n
11377.601460765
3 √n
505.86404378507
4 √n
106.66584017747
5 √n
41.919904715727
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
-129449814
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 129449815 can be divided by 8 positive divisors.
The sum of these divisors (counting 129449815) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101110011111101010111
3
Ternary
100000120201202121
4
Quaternary
13231303331113
5
Quinary
231114343230
6
Senary
20502320411
8
Octal
755637527
10
Decimal
129449815
12
Duodecimal
37429107
16
Hexadecimal
7b73f57
20
Vigesimal
20914af
36
Base36
252k47
md5
d15d0f911914fd53c6e4a0cd4b103fec
sha1
4e1f14e2c81547be5be4914a914509d0c7e3b63b
sha256
b3485f88e425d95a5c1fada6882b171e343bb52e788e735c9f712491b701f18a
sha512
9888e50a489fc680127f9d24ec81ccb7b1b842ba84ead1b2b37fcb60d39575b178ea72de3c1121b8e867d510447a67aaca639ccf21804f005f1e891f51b92eaa
ripemd-160
d75b6a1525a3376c492bd7617bb4717f54f447a6
Diameter
258899630
Circumference
813357175.62512
Area
5.2644467956797E+16
Volume
9.0864221837077E+24
Surface area
2.1057787182719E+17
Circumference
813357175.62512
Perimeter
517799260
Area
16757254603534225
Diagonal
183069684.01969
Surface area
100543527621205350
Volume
2.1692235083354E+24
Space diagonal
224213656.61039
Perimeter
388349445
Area
7.2561040921722E+15
Altitude
112106828.3052
Surface area
7.2561040921722E+15
Volume
2.5564544210887E+23
Height
61023228.006563