129538465 is an odd 9-digits composite number following 129538464
and preceding 129538466 . In scientific notation, it is written as 1.29538465 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 87961536 positive integers (up to 129538465) that are relatively prime to 129538465.
129538465 has 16 divisors, whose sum is 179382528
The reverse of 129538465 is 564835921
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-nine million five hundred thirty-eight thousand four hundred sixty-five
Scientific notation
1.29538465 × 10^8
Engineering notation
1.29538465 × 10^6
Prime Factorization
5 × 7 × 103 × 35933
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129538465
Product of the distinct prime numbers
The prime factorization of 129538465 is 5 × 7 × 103 × 35933.
Since it has a total of 4 prime factors.
6 , 4 , 19 , 53 , 449 , 644 , 6697 , 3690 , 4436 , 6497 , 889341 , 761931 , 3303423 , 7205377 , 53442483 , 22007496 , 835401056 , 274694827 , 9342136263 , 4370473894
n×2
259076930
n×3
388615395
n×4
518153860
n×5
647692325
n÷2
64769232.5
n÷3
43179488.333333
n÷3
32384616.25
n÷5
25907693
n2
16780213914556225
n3
2.1736831528633E+24
n4
2.8157557901827E+32
n5
3.6474868287512E+40
2 √n
11381.496606334
3 √n
505.97949293801
4 √n
106.68409725134
5 √n
41.925644672942
1 , 5 , 7 , 35 , 103 , 515 , 721 , 3605 , 35933 , 179665 , 251531 , 1257655 , 3701099 , 18505495 , 25907693 , 129538465
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
-129538464
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 129538465 can be divided by 16 positive divisors.
The sum of these divisors (counting 129538465) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110001001100110100001
3
Ternary
100000202020100221
4
Quaternary
13232021212201
5
Quinary
231130212330
6
Senary
20504243041
8
Octal
756114641
10
Decimal
129538465
12
Duodecimal
37470481
16
Hexadecimal
7b899a1
20
Vigesimal
209c635
36
Base36
254gip
md5
7f7882062120880678d1c6eae6928701
sha1
86760add4cd693df8c938c494b83d57ba0b7e58a
sha256
e59d0a3583edd7c3db35786fc09a8e7d53382ee67a6eaec6f77c66e2226023a7
sha512
9cb19722f4fbc6b37f44106c6400b349616a91a548dfc2ca33542fae09a12cbe55547f95cbb705681dc1cb40fb9e29b76dd0f754387db02d8b5b40e678f8b9d8
ripemd-160
62d52daa127bd3af43087207cbea41e64e69ae9a
Diameter
259076930
Circumference
813914180.0026
Area
5.2716596759635E+16
Volume
9.1051026990228E+24
Surface area
2.1086638703854E+17
Circumference
813914180.0026
Perimeter
518153860
Area
16780213914556225
Diagonal
183195054.05199
Surface area
100681283487337350
Volume
2.1736831528633E+24
Space diagonal
224367202.91448
Perimeter
388615395
Area
7.2660457654714E+15
Altitude
112183601.45724
Surface area
7.2660457654714E+15
Volume
2.5617101625676E+23
Height
61065018.017331