129126975 is an odd 9-digits composite number following 129126974
and preceding 129126976 . In scientific notation, it is written as 1.29126975 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 68867680 positive integers (up to 129126975) that are relatively prime to 129126975.
129126975 has 8 divisors, whose sum is 165282624
The reverse of 129126975 is 579621921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million one hundred twenty-six thousand nine hundred seventy-five
Scientific notation
1.29126975 × 10^8
Engineering notation
1.29126975 × 10^6
Prime Factorization
15 × 5 × 1721693
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129126975
Product of the distinct prime numbers
The prime factorization of 129126975 is 15 × 5 × 1721693.
Since it has a total of 3 prime factors.
9 , 9 , 87 , 27 , 667 , 1 , 8872 , 9164 , 48327 , 98583 , 542695 , 180626 , 5828408 , 5691279 , 61941710 , 86954475 , 499451850 , 557556432 , 1402472582 , 1946322725
n×2
258253950
n×3
387380925
n×4
516507900
n×5
645634875
n÷2
64563487.5
n÷3
43042325
n÷3
32281743.75
n÷5
25825395
n2
16673775672650625
n3
2.153034214438E+24
n4
2.7801479518188E+32
n5
3.589920950708E+40
2 √n
11363.405079465
3 √n
505.44316227542
4 √n
106.59927335336
5 √n
41.898974685214
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
-129126974
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 129126975 can be divided by 8 positive divisors.
The sum of these divisors (counting 129126975) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100101001000111111
3
Ternary
22222222022220120
4
Quaternary
13230211020333
5
Quinary
231024030400
6
Senary
20451350023
8
Octal
754451077
10
Decimal
129126975
12
Duodecimal
372b2313
16
Hexadecimal
7b2523f
20
Vigesimal
2070h8f
36
Base36
24vn0f
md5
7d5571158c687fe44014968e2e5bfec1
sha1
bcfe08f4b84a803eb5df648ea7f31a9ea56965a7
sha256
321761b7331f411af96c0053094912cee45a2ede8f7627e485555e43431fda02
sha512
76b76924085fe42e36f194aafc2f300d01e16c4441d66fa077bb8520f4e8ab7930007831f331bcad9169d2e501cf18a35d26002e901eedc65ca6f32e1c23c343
ripemd-160
5586e7175e6fe9f1e87d13aa8a5cea6d19ca8437
Diameter
258253950
Circumference
811328712.08055
Area
5.2382211160803E+16
Volume
9.0186086280077E+24
Surface area
2.0952884464321E+17
Circumference
811328712.08055
Perimeter
516507900
Area
16673775672650625
Diagonal
182613119.31321
Surface area
100042654035903750
Volume
2.153034214438E+24
Space diagonal
223654481.32768
Perimeter
387380925
Area
7.2199566547592E+15
Altitude
111827240.66384
Surface area
7.2199566547592E+15
Volume
2.5373751552596E+23
Height
60871039.771071