28438456 is an even 8-digits composite number following 28438455
and preceding 28438457 . In scientific notation, it is written as 2.8438456 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors.
There are 14047584 positive integers (up to 28438456) that are relatively prime to 28438456.
28438456 has 16 divisors, whose sum is 53965800
The reverse of 28438456 is 65483482
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million four hundred thirty-eight thousand four hundred fifty-six
Scientific notation
2.8438456 × 10^7
Engineering notation
2.8438456 × 10^6
Prime Factorization
2 × 2 × 2 × 83 × 42829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7109614
Product of the distinct prime numbers
The prime factorization of 28438456 is 2 × 2 × 2 × 83 × 42829.
Since it has a total of 5 prime factors.
8 , 5 , 70 , 86 , 151 , 374 , 6409 , 4033 , 56514 , 26132 , 694540 , 874980 , 698064 , 9596733 , 52500171 , 25305329 , 2812547 , 380479741 , 6750382760 , 5635956665
n×2
56876912
n×3
85315368
n×4
113753824
n×5
142192280
n÷2
14219228
n÷3
9479485.3333333
n÷3
7109614
n÷5
5687691.2
n2
808745779663936
n3
2.2999481270159E+22
n4
6.5406973612423E+29
n5
1.86007334117E+37
2 √n
5332.7718871146
3 √n
305.2357077889
4 √n
73.025830273367
5 √n
30.958592145114
1 , 2 , 4 , 8 , 83 , 166 , 332 , 664 , 42829 , 85658 , 171316 , 342632 , 3554807 , 7109614 , 14219228 , 28438456
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
-28438455
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 28438456 can be divided by 16 positive divisors.
The sum of these divisors (counting 28438456) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100011110111110111000
3
Ternary
1222111211020011
4
Quaternary
1230132332320
5
Quinary
24240012311
6
Senary
2453311304
8
Octal
154367670
10
Decimal
28438456
12
Duodecimal
9635534
16
Hexadecimal
1b1efb8
20
Vigesimal
8heg2g
36
Base36
gxj94
md5
51586f6a09a492685f5d15680edb7c85
sha1
e6a93efb50eddcac3d75199601cedf22fe7aeb64
sha256
af49502f3adf763ac5a43bb2be010f6ca7e5d0dd728ced271bcd26073b0068fe
sha512
bd5dc492fa3bea2644ae3d80027a76f4c71dc09c0791fbc0a00887a9a8598f0dc946570524c0eb68df585ebf39ba39d2e4eb5920e88779dbf9f7f1ef8ca6268f
ripemd-160
794aa425b7517bfb3bb70df9711f9d7a9b4cac99
Diameter
56876912
Circumference
178684088.89807
Area
2.540749800014E+15
Volume
9.6340001859608E+22
Surface area
1.0162999200056E+16
Circumference
178684088.89807
Perimeter
113753824
Area
808745779663936
Diagonal
40218050.168151
Surface area
4852474677983616
Volume
2.2999481270159E+22
Space diagonal
49256850.680812
Perimeter
85315368
Area
3.5019719519621E+14
Altitude
24628425.340406
Surface area
3.5019719519621E+14
Volume
2.7105148616503E+21
Height
13406016.722717