129440925 is an odd 9-digits composite number following 129440924
and preceding 129440926 . In scientific notation, it is written as 1.29440925 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 68851200 positive integers (up to 129440925) that are relatively prime to 129440925.
129440925 has 16 divisors, whose sum is 149975280
The reverse of 129440925 is 529044921
Previous prime number is 881
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-nine million four hundred forty thousand nine hundred twenty-five
Scientific notation
1.29440925 × 10^8
Engineering notation
1.29440925 × 10^6
Prime Factorization
9 × 25 × 881 × 653
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129440925
Product of the distinct prime numbers
The prime factorization of 129440925 is 9 × 25 × 881 × 653.
Since it has a total of 4 prime factors.
9 , 10 , 56 , 20 , 628 , 11 , 7187 , 5252 , 87329 , 31052 , 680784 , 94888 , 4457611 , 6481616 , 19810282 , 34706806 , 122169933 , 236924330 , 149415660 , 3131646427
n×2
258881850
n×3
388322775
n×4
517763700
n×5
647204625
n÷2
64720462.5
n÷3
43146975
n÷3
32360231.25
n÷5
25888185
n2
16754953064855625
n3
2.1687766230465E+24
n4
2.8072845220551E+32
n5
3.63377505273E+40
2 √n
11377.210774175
3 √n
505.85246340467
4 √n
106.66400880416
5 √n
41.91932892782
1 , 9 , 25 , 225 , 653 , 881 , 5877 , 7929 , 16325 , 22025 , 146925 , 198225 , 575293 , 5177637 , 14382325 , 129440925
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129440924
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129440925 can be divided by 16 positive divisors.
The sum of these divisors (counting 129440925) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101110001110010011101
3
Ternary
100000120021120100
4
Quaternary
13231301302131
5
Quinary
231114102200
6
Senary
20502211313
8
Octal
755616235
10
Decimal
129440925
12
Duodecimal
37423b39
16
Hexadecimal
7b71c9d
20
Vigesimal
2090265
36
Base36
252d99
md5
0f618cc7df3b560c87c6d422a0afb254
sha1
e2343e0fc24ac0a1e66391ab7e80d007c90836ef
sha256
28ff09836e3783b1d4ea2391782cb8b1ee68fb818f694d8edfafa60332017d20
sha512
d0dfe9d6d59b374f91953acca5479aaab48b9a6711c4535f2d62c4a3107dd8c178890872e16c8d4791f3e4f455d091073edbb2c72971e37ad9c77daa0137dcaa
ripemd-160
3ce0d6826513de05cb3bd9c7ddb93fccee24d931
Diameter
258881850
Circumference
813301318.10773
Area
5.2637237459792E+16
Volume
9.0845502749869E+24
Surface area
2.1054894983917E+17
Circumference
813301318.10773
Perimeter
517763700
Area
16754953064855625
Diagonal
183057111.66112
Surface area
100529718389133750
Volume
2.1687766230465E+24
Space diagonal
224198258.67871
Perimeter
388322775
Area
7.2551074966905E+15
Altitude
112099129.33936
Surface area
7.2551074966905E+15
Volume
2.5559277617251E+23
Height
61019037.220373