21551748 is an even 8-digits composite number following 21551747
and preceding 21551749 . In scientific notation, it is written as 2.1551748 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 7183912 positive integers (up to 21551748) that are relatively prime to 21551748.
21551748 has 12 divisors, whose sum is 50287440
The reverse of 21551748 is 84715512
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million five hundred fifty-one thousand seven hundred forty-eight
Scientific notation
2.1551748 × 10^7
Engineering notation
2.1551748 × 10^6
Prime Factorization
2 × 2 × 3 × 1795979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10775874
Product of the distinct prime numbers
The prime factorization of 21551748 is 2 × 2 × 3 × 1795979.
Since it has a total of 4 prime factors.
10 , 1 , 100 , 29 , 950 , 401 , 7300 , 5819 , 87097 , 2223 , 876920 , 500411 , 9877022 , 1002239 , 72212034 , 61868221 , 733760568 , 336456361 , 8956281493 , 4993952929
n×2
43103496
n×3
64655244
n×4
86206992
n×5
107758740
n÷2
10775874
n÷3
7183916
n÷3
5387937
n÷5
4310349.6
n2
464477841855504
n3
1.0010309399254E+22
n4
2.1573966557475E+29
n5
4.6495669060712E+36
2 √n
4642.3860244491
3 √n
278.28779953218
4 √n
68.135057235237
5 √n
29.288457516248
1 , 2 , 3 , 4 , 6 , 12 , 1795979 , 3591958 , 5387937 , 7183916 , 10775874 , 21551748
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21551747
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551748 can be divided by 12 positive divisors.
The sum of these divisors (counting 21551748) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010001101101010000100
3
Ternary
1111112221102220
4
Quaternary
1102031222010
5
Quinary
21004123443
6
Senary
2045532340
8
Octal
122155204
10
Decimal
21551748
12
Duodecimal
72740b0
16
Hexadecimal
148da84
20
Vigesimal
6edj78
36
Base36
ctxfo
md5
bf3053c2db87b2a28ed08aa6a60f7f99
sha1
bf0dbd52a0a85bd07acaefdfabf0f7ffee460a3e
sha256
fc7ae580ab76d54d30ebb6d3664fd32ea2d06b273f6042d4139b06639b2b2f4a
sha512
c4eb175097646238ae28af9e582d921201b1f577961b2577c1467eecaca3b7d94c62681751b498c5df14d261aef387e560e94ae09306c4a276ce795f576cb4ee
ripemd-160
f65d09f4e533f45e4e2ceb35415b95902bd68deb
Diameter
43103496
Circumference
135413626.37764
Area
1.4592001757285E+15
Volume
4.1931085958475E+22
Surface area
5.836800702914E+15
Circumference
135413626.37764
Perimeter
86206992
Area
464477841855504
Diagonal
30478774.314447
Surface area
2786867051133024
Volume
1.0010309399254E+22
Space diagonal
37328722.527921
Perimeter
64655244
Area
2.0112480527092E+14
Altitude
18664361.26396
Surface area
2.0112480527092E+14
Volume
1.1797262763313E+21
Height
10159591.438149