128450690 is an even 9-digits composite number following 128450689
and preceding 128450691 . In scientific notation, it is written as 1.28450690 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 51380272 positive integers (up to 128450690) that are relatively prime to 128450690.
128450690 has 8 divisors, whose sum is 231211260
The reverse of 128450690 is 096054821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-eight million four hundred fifty thousand six hundred ninety
Scientific notation
1.28450690 × 10^8
Engineering notation
1.28450690 × 10^6
Prime Factorization
2 × 5 × 12845069
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128450690
Product of the distinct prime numbers
The prime factorization of 128450690 is 2 × 5 × 12845069.
Since it has a total of 3 prime factors.
7 , 1 , 68 , 64 , 7 , 897 , 2847 , 6395 , 12618 , 98974 , 102014 , 773199 , 8408932 , 5605185 , 78729596 , 81925761 , 163181145 , 507709631 , 3607693561 , 7924993647
n×2
256901380
n×3
385352070
n×4
513802760
n×5
642253450
n÷2
64225345
n÷3
42816896.666667
n÷3
32112672.5
n÷5
25690138
n2
16499579761476100
n3
2.1193824050716E+24
n4
2.7223613230531E+32
n5
3.4968919037549E+40
2 √n
11333.6088692
3 √n
504.55922065378
4 √n
106.459423581
5 √n
41.854994413912
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128450689
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128450690 can be divided by 8 positive divisors.
The sum of these divisors (counting 128450690) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101010000000000010000010
3
Ternary
22221200222012222
4
Quaternary
13222000002002
5
Quinary
230340410230
6
Senary
20425051042
8
Octal
752000202
10
Decimal
128450690
12
Duodecimal
37026a82
16
Hexadecimal
7a80082
20
Vigesimal
202g6ea
36
Base36
24h56q
md5
dfb913ed3ce31b957a1531cfdc3b5fd8
sha1
816bc183897fd43f617fd9602e36dcfae2bef2db
sha256
076679be7dafca315a5b23aa0a9a82314ea1e15ac361d96dcef675bf03317e97
sha512
c61f69f2ee466cfeb10f62f524c8de25ba6020b029b59658d962096fc3dabce7055569f2408d2a818f5ccf444802887eb54e5c34df1d365bd76cd1952fc7d4ab
ripemd-160
3e7894022fcaa8853e9858bde0301445da33ac9b
Diameter
256901380
Circumference
807079488.10508
Area
5.1834958565972E+16
Volume
8.8776482585607E+24
Surface area
2.0733983426389E+17
Circumference
807079488.10508
Perimeter
513802760
Area
16499579761476100
Diagonal
181656707.89418
Surface area
98997478568856600
Volume
2.1193824050716E+24
Space diagonal
222483121.34728
Perimeter
385352070
Area
7.1445276126029E+15
Altitude
111241560.67364
Surface area
7.1445276126029E+15
Volume
2.4977161175894E+23
Height
60552235.964727