21748894 is an even 8-digits composite number following 21748893
and preceding 21748895 . In scientific notation, it is written as 2.1748894 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 10874446 positive integers (up to 21748894) that are relatively prime to 21748894.
21748894 has 4 divisors, whose sum is 32623344
The reverse of 21748894 is 49884712
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million seven hundred forty-eight thousand eight hundred ninety-four
Scientific notation
2.1748894 × 10^7
Engineering notation
2.1748894 × 10^6
Prime Factorization
2 × 10874447
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21748894
Product of the distinct prime numbers
The prime factorization of 21748894 is 2 × 10874447.
Since it has a total of 2 prime factors.
6 , 10 , 35 , 90 , 37 , 218 , 2775 , 5482 , 60931 , 42256 , 706598 , 78512 , 3219007 , 8828386 , 2800026 , 38717177 , 693440063 , 480380125 , 6918878629 , 3378815266
n×2
43497788
n×3
65246682
n×4
86995576
n×5
108744470
n÷2
10874447
n÷3
7249631.3333333
n÷3
5437223.5
n÷5
4349778.8
n2
473014390223236
n3
1.028753983344E+22
n4
2.2374261335826E+29
n5
4.8661543812118E+36
2 √n
4663.5709493906
3 √n
279.13377705152
4 √n
68.290343017081
5 √n
29.341846131214
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
-21748893
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 21748894 can be divided by 4 positive divisors.
The sum of these divisors (counting 21748894) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010111101110010011110
3
Ternary
1111220221212121
4
Quaternary
1102331302132
5
Quinary
21031431034
6
Senary
2054053154
8
Octal
122756236
10
Decimal
21748894
12
Duodecimal
734a1ba
16
Hexadecimal
14bdc9e
20
Vigesimal
6fic4e
36
Base36
cy5jy
md5
cf56b322afe875a5576dc7399ab4a40f
sha1
97f2ad69654c9bc1d20692b76f5351bf2a313513
sha256
8a0e7e1ecb56dfff60db7407a5e5187f5ac5bf01d11bc5cd3db08d766813ae0b
sha512
6a843988ca6f9445d98e006c7902acdbe5fe42f23eeaac2101b1da3b8d92038264cee56b99585e748b4ab2c59d04361ae1767d4c6bae77bd223064bda9381d8c
ripemd-160
fe47eb85854e52e38c17a7aae907beaf9029c72b
Diameter
43497788
Circumference
136652331.22821
Area
1.4860185333676E+15
Volume
4.3092346085662E+22
Surface area
5.9440741334703E+15
Circumference
136652331.22821
Perimeter
86995576
Area
473014390223236
Diagonal
30757580.861415
Surface area
2838086341339416
Volume
1.028753983344E+22
Space diagonal
37670189.41643
Perimeter
65246682
Area
2.0482123914446E+14
Altitude
18835094.708215
Surface area
2.0482123914446E+14
Volume
1.2123981963253E+21
Height
10252526.953805