21554768 is an even 8-digits composite number following 21554767
and preceding 21554769 . In scientific notation, it is written as 2.1554768 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 10646880 positive integers (up to 21554768) that are relatively prime to 21554768.
21554768 has 20 divisors, whose sum is 42268128
The reverse of 21554768 is 86745512
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million five hundred fifty-four thousand seven hundred sixty-eight
Scientific notation
2.1554768 × 10^7
Engineering notation
2.1554768 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 83 × 16231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2694346
Product of the distinct prime numbers
The prime factorization of 21554768 is 2 × 2 × 2 × 2 × 83 × 16231.
Since it has a total of 6 prime factors.
4 , 6 , 68 , 93 , 816 , 573 , 2326 , 6825 , 2905 , 97587 , 494926 , 268779 , 6027233 , 8767794 , 80916373 , 61285058 , 420568729 , 631577559 , 1694416375 , 9285718110
n×2
43109536
n×3
64664304
n×4
86219072
n×5
107773840
n÷2
10777384
n÷3
7184922.6666667
n÷3
5388692
n÷5
4310953.6
n2
464608023533824
n3
1.001451815821E+22
n4
2.1586061553201E+29
n5
4.6528254881296E+36
2 √n
4642.7112768295
3 √n
278.30079754827
4 √n
68.137444014503
5 √n
29.289278295929
1 , 2 , 4 , 8 , 16 , 83 , 166 , 332 , 664 , 1328 , 16231 , 32462 , 64924 , 129848 , 259696 , 1347173 , 2694346 , 5388692 , 10777384 , 21554768
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21554767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21554768 can be divided by 20 positive divisors.
The sum of these divisors (counting 21554768) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010010001110011001010000
3
Ternary
1111120002120202
4
Quaternary
1102032121100
5
Quinary
21004223033
6
Senary
2045554332
8
Octal
122163120
10
Decimal
21554768
12
Duodecimal
72759a8
16
Hexadecimal
148e650
20
Vigesimal
6ee6i8
36
Base36
ctzrk
md5
d4ccc4f6973d024aaea3f2d17dda9348
sha1
ecdabf44197ca587981c89c1f8ec2e78061f08aa
sha256
5d75338ddb0b34ac9b06f266791c8853c91891e16f9571adc2281445e8d71266
sha512
9a11074f487f0c7f69d0aba8e59d20a07d0b8b5312bd805d6740ffed2a5c3d4d78bac4111af792ac2b341eb7408d716cb077cadb79d138da538f8834efc982df
ripemd-160
4f7eeb3bb8874b00c4016c00fd8aaeef35d170f7
Diameter
43109536
Circumference
135432601.59726
Area
1.4596091535327E+15
Volume
4.1948715566766E+22
Surface area
5.8384366141309E+15
Circumference
135432601.59726
Perimeter
86219072
Area
464608023533824
Diagonal
30483045.239406
Surface area
2787648141202944
Volume
1.001451815821E+22
Space diagonal
37333953.32136
Perimeter
64664304
Area
2.0118117559118E+14
Altitude
18666976.66068
Surface area
2.0118117559118E+14
Volume
1.180222283331E+21
Height
10161015.079802