21554768 (number)

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.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-four thousand seven hundred sixty-eight

Notation

Scientific notation 2.1554768 × 10^7
Engineering notation 2.1554768 × 10^6

Prime Factorization of 21554768

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.

Most popular turbo-numbers

Basic calculations (n = 21554768)

Multiplication

n×y
n×2 43109536
n×3 64664304
n×4 86219072
n×5 107773840

Division

n÷y
n÷2 10777384
n÷3 7184922.6666667
n÷3 5388692
n÷5 4310953.6

Exponentiation

ny
n2 464608023533824
n3 1.001451815821E+22
n4 2.1586061553201E+29
n5 4.6528254881296E+36

Nth Root

y√n
2√n 4642.7112768295
3√n 278.30079754827
4√n 68.137444014503
5√n 29.289278295929

Divisors of 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 conversion 21554768

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

Cryptographic Hash Functions

md5 d4ccc4f6973d024aaea3f2d17dda9348
sha1 ecdabf44197ca587981c89c1f8ec2e78061f08aa
sha256 5d75338ddb0b34ac9b06f266791c8853c91891e16f9571adc2281445e8d71266
sha512 9a11074f487f0c7f69d0aba8e59d20a07d0b8b5312bd805d6740ffed2a5c3d4d78bac4111af792ac2b341eb7408d716cb077cadb79d138da538f8834efc982df
ripemd-160 4f7eeb3bb8874b00c4016c00fd8aaeef35d170f7

21554768 as geometric shapes

Circle

Radius = n
Diameter 43109536
Circumference 135432601.59726
Area 1.4596091535327E+15

Sphere

Radius = n
Volume 4.1948715566766E+22
Surface area 5.8384366141309E+15
Circumference 135432601.59726

Square

Length = n
Perimeter 86219072
Area 464608023533824
Diagonal 30483045.239406

Cube

Length = n
Surface area 2787648141202944
Volume 1.001451815821E+22
Space diagonal 37333953.32136

Equilateral Triangle

Length = n
Perimeter 64664304
Area 2.0118117559118E+14
Altitude 18666976.66068

Triangular Pyramid

Length = n
Surface area 2.0118117559118E+14
Volume 1.180222283331E+21
Height 10161015.079802