28447745 is an odd 8-digits composite number following 28447744
and preceding 28447746 . In scientific notation, it is written as 2.8447745 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 22758192 positive integers (up to 28447745) that are relatively prime to 28447745.
28447745 has 4 divisors, whose sum is 34137300
The reverse of 28447745 is 54774482
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million four hundred forty-seven thousand seven hundred forty-five
Scientific notation
2.8447745 × 10^7
Engineering notation
2.8447745 × 10^6
Prime Factorization
5 × 5689549
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28447745
Product of the distinct prime numbers
The prime factorization of 28447745 is 5 × 5689549.
Since it has a total of 2 prime factors.
10 , 5 , 50 , 83 , 414 , 431 , 6266 , 3903 , 73966 , 30613 , 669525 , 520015 , 1134374 , 4719679 , 96148128 , 1325715 , 314352677 , 250932082 , 3703136984 , 1420545021
n×2
56895490
n×3
85343235
n×4
113790980
n×5
142238725
n÷2
14223872.5
n÷3
9482581.6666667
n÷3
7111936.25
n÷5
5689549
n2
809274195585025
n3
2.3022025951083E+22
n4
6.5492472363979E+29
n5
1.86311315323E+37
2 √n
5333.6427514411
3 √n
305.26893774389
4 √n
73.031792744264
5 √n
30.960614313948
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
-28447744
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 28447745 can be divided by 4 positive divisors.
The sum of these divisors (counting 28447745) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100100001010000000001
3
Ternary
1222112021222012
4
Quaternary
1230201100001
5
Quinary
24240311440
6
Senary
2453422305
8
Octal
154412001
10
Decimal
28447745
12
Duodecimal
963a995
16
Hexadecimal
1b21401
20
Vigesimal
8hfj75
36
Base36
gxqf5
md5
945a4d2849f480ec507904063d388202
sha1
c3bc47682a0c7699db3241c15e56fbffb790d1fe
sha256
641af60286f4de4440045ad7324fc6b63be5117e3ce4c896a712eda46b70bd43
sha512
88b7665cdd6386d3299644245e6a0690066195e5674444eb5573cd26f068d833ec1bda26b7944c527429107bc5e14e691c6696f25ee0fa3e086dc13ed7218493
ripemd-160
e9a709df5158541d3b59b0884912379c373b174e
Diameter
56895490
Circumference
178742453.40639
Area
2.5424098675897E+15
Volume
9.6434436798234E+22
Surface area
1.0169639470359E+16
Circumference
178742453.40639
Perimeter
113790980
Area
809274195585025
Diagonal
40231186.797931
Surface area
4855645173510150
Volume
2.3022025951083E+22
Space diagonal
49272939.700763
Perimeter
85343235
Area
3.5042600600192E+14
Altitude
24636469.850382
Surface area
3.5042600600192E+14
Volume
2.7131717777772E+21
Height
13410395.59931