128609909 is an odd 9-digits prime number following 128609908
and preceding 128609910 . In scientific notation, it is written as 1.28609909 × 10^8.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 128609908 positive integers (up to 128609909) that are relatively prime to 128609909.
128609909 has 2 divisors, whose sum is 128609910
The reverse of 128609909 is 909906821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-eight million six hundred nine thousand nine hundred nine
Scientific notation
1.28609909 × 10^8
Engineering notation
1.28609909 × 10^6
Prime Factorization
128609909
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
128609909
Product of the distinct prime numbers
The prime factorization of 128609909 is 128609909.
Since it has a total of 1 prime factors.
4 , 3 , 91 , 40 , 367 , 408 , 3487 , 8323 , 81311 , 93455 , 87881 , 229129 , 4857329 , 899143 , 61851737 , 70768032 , 342533954 , 10909460 , 9411652510 , 2889014464
n×2
257219818
n×3
385829727
n×4
514439636
n×5
643049545
n÷2
64304954.5
n÷3
42869969.666667
n÷3
32152477.25
n÷5
25721981.8
n2
16540508692988281
n3
2.1272733178189E+24
n4
2.7358842782282E+32
n5
3.5186182805746E+40
2 √n
11340.63089074
3 √n
504.76760734953
4 √n
106.49239827678
5 √n
41.865365410991
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
128609910
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64304955
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11340.630934829
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999844491
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128609909 can be divided by 2 positive divisors.
The sum of these divisors (counting 128609909) is 128609910, the average is 64304955.
Base
System
Value
2
Binary
111101010100110111001110101
3
Ternary
22222000001121222
4
Quaternary
13222212321311
5
Quinary
230411004114
6
Senary
20432320125
8
Octal
752467165
10
Decimal
128609909
12
Duodecimal
370a3045
16
Hexadecimal
7aa6e75
20
Vigesimal
203g4f9
36
Base36
24kk1h
md5
baa442fa7ffb88069cfea5fc3afb2c0b
sha1
302b09955ff6a00f6597943af40599be2a5a26ec
sha256
1f274bc73b937395070e57111ae310c3745bb014fa8e231abdf23810575e3c58
sha512
1af374338652ba9ad0c3cdfba498bb1f18908448740865b6ac00fdcb3071e02273f1a845e28b737886362ee6b0cf15451eff1bca729fb97b075539c4847b4f32
ripemd-160
8b7c60eb74e858d50695b217bcf61eb4922e86cf
Diameter
257219818
Circumference
808079890.5865
Area
5.196354059653E+16
Volume
8.9107016365834E+24
Surface area
2.0785416238612E+17
Circumference
808079890.5865
Perimeter
514439636
Area
16540508692988281
Diagonal
181881877.56337
Surface area
99243052157929686
Volume
2.1272733178189E+24
Space diagonal
222758896.74481
Perimeter
385829727
Area
7.1622503598226E+15
Altitude
111379448.3724
Surface area
7.1622503598226E+15
Volume
2.507015647445E+23
Height
60627292.521123