129440912 is an even 9-digits composite number following 129440911
and preceding 129440913 . In scientific notation, it is written as 1.29440912 × 10^8.
The sum of its digits is 32. It has a total of 5 prime factors and 10 positive divisors.
There are 64720448 positive integers (up to 129440912) that are relatively prime to 129440912.
129440912 has 10 divisors, whose sum is 250791798
The reverse of 129440912 is 219044921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million four hundred forty thousand nine hundred twelve
Scientific notation
1.29440912 × 10^8
Engineering notation
1.29440912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 8090057
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
16180114
Product of the distinct prime numbers
The prime factorization of 129440912 is 2 × 2 × 2 × 2 × 8090057.
Since it has a total of 5 prime factors.
9 , 10 , 33 , 37 , 509 , 886 , 1936 , 2593 , 82254 , 84535 , 909917 , 616202 , 598181 , 2333585 , 15616482 , 53686625 , 571605395 , 639833330 , 4600826815 , 6787551354
n×2
258881824
n×3
388322736
n×4
517763648
n×5
647204560
n÷2
64720456
n÷3
43146970.666667
n÷3
32360228
n÷5
25888182.4
n2
16754949699391744
n3
2.1687759696034E+24
n4
2.8072833942915E+32
n5
3.6337732279954E+40
2 √n
11377.210202857
3 √n
505.85244647009
4 √n
106.66400612605
5 √n
41.919328085812
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129440911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129440912 can be divided by 10 positive divisors.
The sum of these divisors (counting 129440912) is 1, the average is 0.1.
Base
System
Value
2
Binary
111101101110001110010010000
3
Ternary
100000120021112212
4
Quaternary
13231301302100
5
Quinary
231114102122
6
Senary
20502211252
8
Octal
755616220
10
Decimal
129440912
12
Duodecimal
37423b28
16
Hexadecimal
7b71c90
20
Vigesimal
209025c
36
Base36
252d8w
md5
31a88421dd42a927b3089a92ee9cf0b8
sha1
c1843b47c54a285d4a4f548bcad8642f33df1ebc
sha256
0a6459668daffcc74efaeba014fdbf95eb8cc1842318413accfaf0a101b9d544
sha512
29bfc14dd2653643abb2fa11ba76e316088390fba03dc0fcff91e05692d90168d21aa18d875cbc3e6c4efc7ab112358c779bca283d327ce6aca2d7d90294055c
ripemd-160
80174e308716c1194b93cb4efc1a288452c5375a
Diameter
258881824
Circumference
813301236.42633
Area
5.2637226886876E+16
Volume
9.0845475378508E+24
Surface area
2.105489075475E+17
Circumference
813301236.42633
Perimeter
517763648
Area
16754949699391744
Diagonal
183057093.27634
Surface area
100529698196350464
Volume
2.1687759696034E+24
Space diagonal
224198236.16205
Perimeter
388322736
Area
7.2551060394018E+15
Altitude
112099118.08103
Surface area
7.2551060394018E+15
Volume
2.555926991635E+23
Height
61019031.092114