28438961 is an odd 8-digits composite number following 28438960
and preceding 28438962 . In scientific notation, it is written as 2.8438961 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 28396032 positive integers (up to 28438961) that are relatively prime to 28438961.
28438961 has 4 divisors, whose sum is 28481892
The reverse of 28438961 is 16983482
Previous prime number is 673
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million four hundred thirty-eight thousand nine hundred sixty-one
Scientific notation
2.8438961 × 10^7
Engineering notation
2.8438961 × 10^6
Prime Factorization
673 × 42257
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28438961
Product of the distinct prime numbers
The prime factorization of 28438961 is 673 × 42257.
Since it has a total of 2 prime factors.
1 , 9 , 52 , 20 , 223 , 363 , 6649 , 3876 , 47617 , 28316 , 959296 , 202550 , 2576025 , 7363061 , 24360734 , 26297464 , 55474854 , 797311028 , 8046308737 , 5298988781
n×2
56877922
n×3
85316883
n×4
113755844
n×5
142194805
n÷2
14219480.5
n÷3
9479653.6666667
n÷3
7109740.25
n÷5
5687792.2
n2
808774502759521
n3
2.3000706541772E+22
n4
6.5411619631391E+29
n5
1.860238499644E+37
2 √n
5332.8192356389
3 √n
305.23751453396
4 √n
73.026154462897
5 √n
30.95870209467
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
-28438960
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 28438961 can be divided by 4 positive divisors.
The sum of these divisors (counting 28438961) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100011111000110110001
3
Ternary
1222111211220212
4
Quaternary
1230133012301
5
Quinary
24240021321
6
Senary
2453313505
8
Octal
154370661
10
Decimal
28438961
12
Duodecimal
9635895
16
Hexadecimal
1b1f1b1
20
Vigesimal
8heh81
36
Base36
gxjn5
md5
329732492a3943fc8b03d20672a75fd0
sha1
ab81e04ae40950cc3feedd354ffccecd8154e8ca
sha256
f0d04e9193c488b6932cf7830bcf16894dcf528c8be09b6be072530b04ec3629
sha512
51b106eedd772876c090b0c389d928a1d8110e26ce7065b255c0a09899bf5706d7c9827de8719c4e59299361caf3d576e4f6e34d9d2054fa9ec8d8ac62558dff
ripemd-160
f4bc3b23ac8ef14b48294b954277b86ee356de1b
Diameter
56877922
Circumference
178687261.90665
Area
2.54084003628E+15
Volume
9.6345134265343E+22
Surface area
1.016336014512E+16
Circumference
178687261.90665
Perimeter
113755844
Area
808774502759521
Diagonal
40218764.346
Surface area
4852647016557126
Volume
2.3000706541772E+22
Space diagonal
49257725.36647
Perimeter
85316883
Area
3.5020963266144E+14
Altitude
24628862.683235
Surface area
3.5020963266144E+14
Volume
2.7106592612948E+21
Height
13406254.782