128540906 is an even 9-digits composite number following 128540905
and preceding 128540907 . In scientific notation, it is written as 1.28540906 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 59064768 positive integers (up to 128540906) that are relatively prime to 128540906.
128540906 has 16 divisors, whose sum is 208559400
The reverse of 128540906 is 609045821
Previous prime number is 229
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-eight million five hundred forty thousand nine hundred six
Scientific notation
1.28540906 × 10^8
Engineering notation
1.28540906 × 10^6
Prime Factorization
2 × 13 × 229 × 21589
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128540906
Product of the distinct prime numbers
The prime factorization of 128540906 is 2 × 13 × 229 × 21589.
Since it has a total of 4 prime factors.
10 , 10 , 97 , 8 , 495 , 573 , 304 , 7770 , 10177 , 2500 , 777227 , 89629 , 1176459 , 6564388 , 54557592 , 60977556 , 747888646 , 206283838 , 3448481644 , 1676049060
n×2
257081812
n×3
385622718
n×4
514163624
n×5
642704530
n÷2
64270453
n÷3
42846968.666667
n÷3
32135226.5
n÷5
25708181.2
n2
16522764515300836
n3
2.1238511204214E+24
n4
2.7300174722808E+32
n5
3.5091891928281E+40
2 √n
11337.588191498
3 √n
504.67731697576
4 √n
106.47811132575
5 √n
41.860872046507
1 , 2 , 13 , 26 , 229 , 458 , 2977 , 5954 , 21589 , 43178 , 280657 , 561314 , 4943881 , 9887762 , 64270453 , 128540906
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128540905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128540906 can be divided by 16 positive divisors.
The sum of these divisors (counting 128540906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010010110000011101010
3
Ternary
22221212112222022
4
Quaternary
13222112003222
5
Quinary
230401302111
6
Senary
20431024442
8
Octal
752260352
10
Decimal
128540906
12
Duodecimal
3706b122
16
Hexadecimal
7a960ea
20
Vigesimal
2037c56
36
Base36
24j2sq
md5
9ff2ec9713e6cf2ed4c6f8f2e51e7766
sha1
9cf00bfd5f741ab1dd0d362ac0e2701f73af9c3d
sha256
3e9e9910e6069e0c8c0885af4226408eb8c18fed9666808c7fd44c78b8282006
sha512
c9a4d4b1faeb4ff27e05b94f548e48b5d7d67fa9cba5af2248c3cecec0add57eea19d373ee7c2209d6ad0264d9366a0e95028ff6a9b6fc959fef7c56a70b5350
ripemd-160
bd86d99082c5f817badd11cf277196d34d3176c5
Diameter
257081812
Circumference
807646331.95075
Area
5.1907795618263E+16
Volume
8.8963667696458E+24
Surface area
2.0763118247305E+17
Circumference
807646331.95075
Perimeter
514163624
Area
16522764515300836
Diagonal
181784292.58493
Surface area
99136587091805016
Volume
2.1238511204214E+24
Space diagonal
222639380.04294
Perimeter
385622718
Area
7.1545669054993E+15
Altitude
111319690.02147
Surface area
7.1545669054993E+15
Volume
2.5029825491344E+23
Height
60594764.194975