128917813 is an odd 9-digits prime number following 128917812
and preceding 128917814 . In scientific notation, it is written as 1.28917813 × 10^8.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 128917812 positive integers (up to 128917813) that are relatively prime to 128917813.
128917813 has 2 divisors, whose sum is 128917814
The reverse of 128917813 is 318719821
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 40 Digital Root 4
Name
one hundred twenty-eight million nine hundred seventeen thousand eight hundred thirteen
Scientific notation
1.28917813 × 10^8
Engineering notation
1.28917813 × 10^6
Prime Factorization
128917813
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
128917813 Product of the distinct prime numbers
The prime factorization of 128917813 is 128917813.
Since it has a total of 1 prime factors.
3 , 9 , 49 , 43 , 582 , 285 , 1620 , 9218 , 93911 , 86281 , 212988 , 857212 , 7481394 , 6619222 , 53509010 , 13728413 , 420069880 , 460808821 , 7010214372 , 7864641429
n×2
257835626
n×3
386753439
n×4
515671252
n×5
644589065
n÷2
64458906.5
n÷3
42972604.333333
n÷3
32229453.25
n÷5
25783562.6
n2
16619802508702969
n3
2.1425885919139E+24
n4
2.7621783542829E+32
n5
3.5609399255009E+40
2 √n11354.198034207
3 √n505.17010640362
4 √n106.55607929258
5 √n41.885392152076
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
128917814 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
64458907 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11354.198078244 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999844862 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128917813 can be divided by 2 positive divisors.
The sum of these divisors (counting 128917813) is 128917814, the average is 64458907.
Base
System
Value
2
Binary
111101011110010000100110101
3
Ternary
22222120200222211
4
Quaternary
13223302010311
5
Quinary
231000332223
6
Senary
20443053421
8
Octal
753620465
10
Decimal
128917813
12
Duodecimal
37211271
16
Hexadecimal
7af2135
20
Vigesimal
205eead
36
Base36
24r5md
md5
b75393bf0ca3d03ec79f2eb5564956cb
sha1
acc90ab292428cc34f1e823d6a3ebd5293a5a640
sha256
abf1ac9a5a042822530f14876aae5cb8f26d668542e1f444b9d67f98dba71e8f
sha512
e412e2800593e167c8a3a85bf7238db733aedde5ecf0529c25488c149730a56ab2a892581edc97192d85cd937231e20c0c2faff7875e2129c8c0f172103e09d6
ripemd-160
e2dbe404323c953581cfcf50daf4327054e15df1
Diameter
257835626
Circumference
810014508.47533
Area
5.2212649465454E+16
Volume
8.974854106696E+24
Surface area
2.0885059786182E+17
Circumference
810014508.47533
Perimeter
515671252
Area
16619802508702969
Diagonal
182317319.57608
Surface area
99718815052217814
Volume
2.1425885919139E+24
Space diagonal
223292202.11666
Perimeter
386753439
Area
7.1965855892086E+15
Altitude
111646101.05833
Surface area
7.1965855892086E+15
Volume
2.5250648710588E+23
Height
60772439.858693