129128893 is an odd 9-digits composite number following 129128892
and preceding 129128894 . In scientific notation, it is written as 1.29128893 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 128828860 positive integers (up to 129128893) that are relatively prime to 129128893.
129128893 has 4 divisors, whose sum is 129428928
The reverse of 129128893 is 398821921
Previous prime number is 431
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-nine million one hundred twenty-eight thousand eight hundred ninety-three
Scientific notation
1.29128893 × 10^8
Engineering notation
1.29128893 × 10^6
Prime Factorization
431 × 299603
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129128893
Product of the distinct prime numbers
The prime factorization of 129128893 is 431 × 299603.
Since it has a total of 2 prime factors.
7 , 1 , 45 , 81 , 761 , 628 , 7324 , 8823 , 51306 , 1729 , 960910 , 887230 , 8372955 , 9071359 , 3908942 , 7020862 , 241406848 , 924119212 , 3551521694 , 2522976922
n×2
258257786
n×3
387386679
n×4
516515572
n×5
645644465
n÷2
64564446.5
n÷3
43042964.333333
n÷3
32282223.25
n÷5
25825778.6
n2
16674271007405449
n3
2.1531301567683E+24
n4
2.780313136284E+32
n5
3.5901875748171E+40
2 √n
11363.489472869
3 √n
505.44566481265
4 √n
106.59966919681
5 √n
41.899099154568
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129128892
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129128893 can be divided by 4 positive divisors.
The sum of these divisors (counting 129128893) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100100101100110111101
3
Ternary
22222222102112121
4
Quaternary
13230211212331
5
Quinary
231024111033
6
Senary
20451402541
8
Octal
754454675
10
Decimal
129128893
12
Duodecimal
372b3451
16
Hexadecimal
7b259bd
20
Vigesimal
207124d
36
Base36
24vohp
md5
9950684a81333b8301666b778bf4a139
sha1
fec80f51d87a79edc3f710e0d99c1dfc096d9871
sha256
1df34e356be145a3d537316dba8308d921b73b5d78b8bdbf2e731666547d7fb3
sha512
ad585515d00f0f262e2f78e244dee0ced9105c3fee8b04d63b27f9dd471e955971fbe7b8bfcbe372029d7607dbc8e91807d11422e8bc2cc814c083d049437e9c
ripemd-160
973ef0cf5e33b294cca40b8a8af0bd7750d62ae3
Diameter
258257786
Circumference
811340763.22996
Area
5.238376730083E+16
Volume
9.0190105103011E+24
Surface area
2.0953506920332E+17
Circumference
811340763.22996
Perimeter
516515572
Area
16674271007405449
Diagonal
182615831.77482
Surface area
100045626044432694
Volume
2.1531301567683E+24
Space diagonal
223657803.40113
Perimeter
387386679
Area
7.2201711409997E+15
Altitude
111828901.70056
Surface area
7.2201711409997E+15
Volume
2.5374882243802E+23
Height
60871943.924941