128849909 is an odd 9-digits prime number following 128849908
and preceding 128849910 . In scientific notation, it is written as 1.28849909 × 10^8.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 128849908 positive integers (up to 128849909) that are relatively prime to 128849909.
128849909 has 2 divisors, whose sum is 128849910
The reverse of 128849909 is 909948821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-eight million eight hundred forty-nine thousand nine hundred nine
Scientific notation
1.28849909 × 10^8
Engineering notation
1.28849909 × 10^6
Prime Factorization
128849909
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
128849909
Product of the distinct prime numbers
The prime factorization of 128849909 is 128849909.
Since it has a total of 1 prime factors.
3 , 10 , 53 , 99 , 288 , 85 , 1812 , 1724 , 49049 , 5041 , 548116 , 405243 , 7733088 , 4087749 , 52369982 , 39309490 , 139207872 , 393062288 , 1561098703 , 3446641712
n×2
257699818
n×3
386549727
n×4
515399636
n×5
644249545
n÷2
64424954.5
n÷3
42949969.666667
n÷3
32212477.25
n÷5
25769981.8
n2
16602299049308281
n3
2.1392047216942E+24
n4
2.7563633372266E+32
n5
3.5515716517259E+40
2 √n
11351.207380715
3 √n
505.08139589209
4 √n
106.54204513109
5 √n
41.880978820773
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
128849910
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64424955
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11351.207424763
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999844781
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128849909 can be divided by 2 positive divisors.
The sum of these divisors (counting 128849909) is 128849910, the average is 64424955.
Base
System
Value
2
Binary
111101011100001011111110101
3
Ternary
22222110020211212
4
Quaternary
13223201133311
5
Quinary
230441144114
6
Senary
20441411205
8
Octal
753413765
10
Decimal
128849909
12
Duodecimal
37199b05
16
Hexadecimal
7ae17f5
20
Vigesimal
20564f9
36
Base36
24pp85
md5
7f97c47f42100e344f93cb37f54515ab
sha1
3e9ddf1b3f3c4c1742c28ca8852ff8c9711b4ce4
sha256
cf80d60b145d42bb00743a674a6812f92d1c57567909cb99719f1c5a4ae5dd44
sha512
81ed44f211de4630205f7f935941145bc50d864be2305187b943ea1b11e4fec2c2e6bb8d1624506113666c22439dccec88c915245b1eee864cc970d437dfb1d8
ripemd-160
f9c6aacf3320deb0fc275da4e75b7bead860b18a
Diameter
257699818
Circumference
809587855.06023
Area
5.2157660726008E+16
Volume
8.9606797842653E+24
Surface area
2.0863064290403E+17
Circumference
809587855.06023
Perimeter
515399636
Area
16602299049308281
Diagonal
182221288.81834
Surface area
99613794295849686
Volume
2.1392047216942E+24
Space diagonal
223174588.93863
Perimeter
386549727
Area
7.1890063689636E+15
Altitude
111587294.46931
Surface area
7.1890063689636E+15
Volume
2.5210769417604E+23
Height
60740429.606113