128450893 is an odd 9-digits composite number following 128450892
and preceding 128450894 . In scientific notation, it is written as 1.28450893 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 128304540 positive integers (up to 128450893) that are relatively prime to 128450893.
128450893 has 4 divisors, whose sum is 128597248
The reverse of 128450893 is 398054821
Previous prime number is 883
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-eight million four hundred fifty thousand eight hundred ninety-three
Scientific notation
1.28450893 × 10^8
Engineering notation
1.28450893 × 10^6
Prime Factorization
883 × 145471
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128450893
Product of the distinct prime numbers
The prime factorization of 128450893 is 883 × 145471.
Since it has a total of 2 prime factors.
1 , 2 , 90 , 38 , 656 , 90 , 133 , 8130 , 53144 , 96855 , 59147 , 228390 , 6796105 , 1832997 , 75317091 , 5340675 , 833293776 , 796955685 , 2898013410 , 7870679555
n×2
256901786
n×3
385352679
n×4
513803572
n×5
642254465
n÷2
64225446.5
n÷3
42816964.333333
n÷3
32112723.25
n÷5
25690178.6
n2
16499631912497449
n3
2.1193924533316E+24
n4
2.722378532479E+32
n5
3.4969195358096E+40
2 √n
11333.617824861
3 √n
504.5594864509
4 √n
106.45946564238
5 √n
41.855007643204
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128450892
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128450893 can be divided by 4 positive divisors.
The sum of these divisors (counting 128450893) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010000000000101001101
3
Ternary
22221200222111111
4
Quaternary
13222000011031
5
Quinary
230340412033
6
Senary
20425052021
8
Octal
752000515
10
Decimal
128450893
12
Duodecimal
37027011
16
Hexadecimal
7a8014d
20
Vigesimal
202g74d
36
Base36
24h5cd
md5
12bb37a616770d04c43c979762c85f5f
sha1
62a8fc8240eea5ed264f5127986e2eda6d0b33ae
sha256
053972457bfb0e02862c37886e5d772cea479ee24c0670a5087329040b55903a
sha512
e4c54122f0bd295f19626a51822a25a9eb9b0820ffc0a7df94e481227a9a77439efa99bbd4f4b25902ca5231945dd63062a21a43b822539c414c65bf688a7a86
ripemd-160
77da8281a296900be661fcfa34cf2d045fc8e060
Diameter
256901786
Circumference
807080763.5917
Area
5.1835122403238E+16
Volume
8.8776903486136E+24
Surface area
2.0734048961295E+17
Circumference
807080763.5917
Perimeter
513803572
Area
16499631912497449
Diagonal
181656994.97954
Surface area
98997791474984694
Volume
2.1193924533316E+24
Space diagonal
222483472.95359
Perimeter
385352679
Area
7.1445501946576E+15
Altitude
111241736.4768
Surface area
7.1445501946576E+15
Volume
2.4977279595773E+23
Height
60552331.659845