21551656 (number)

21551656 is an even 8-digits composite number following 21551655 and preceding 21551657. In scientific notation, it is written as 2.1551656 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors. There are 9236400 positive integers (up to 21551656) that are relatively prime to 21551656.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand six hundred fifty-six

Notation

Scientific notation 2.1551656 × 10^7
Engineering notation 2.1551656 × 10^6

Prime Factorization of 21551656

Prime Factorization 2 × 2 × 2 × 7 × 384851

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5387914
Product of the distinct prime numbers

The prime factorization of 21551656 is 2 × 2 × 2 × 7 × 384851. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551656)

Multiplication

n×y
n×2 43103312
n×3 64654968
n×4 86206624
n×5 107758280

Division

n÷y
n÷2 10775828
n÷3 7183885.3333333
n÷3 5387914
n÷5 4310331.2

Exponentiation

ny
n2 464473876342336
n3 1.0010181203917E+22
n4 2.1573598180448E+29
n5 4.6494676666723E+36

Nth Root

y√n
2√n 4642.3761157407
3√n 278.28740354706
4√n 68.134984521468
5√n 29.288432510919

Divisors of 21551656

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551655
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551656 can be divided by 16 positive divisors. The sum of these divisors (counting 21551656) is 1, the average is 0.0625.

Base conversion 21551656

Base System Value
2 Binary 1010010001101101000101000
3 Ternary 1111112221022111
4 Quaternary 1102031220220
5 Quinary 21004123111
6 Senary 2045532104
8 Octal 122155050
10 Decimal 21551656
12 Duodecimal 7274034
16 Hexadecimal 148da28
20 Vigesimal 6edj2g
36 Base36 ctxd4

Cryptographic Hash Functions

md5 d4c13edd3523aa631e9de9c7629104a7
sha1 62e56cd9a20c789324ef1ec379ea582c3cfd010e
sha256 614054c861f35611ce4a7d092f98b8670f0db3b9be4e3d52a931b9a71c2f7ae8
sha512 c225773157b757a6d7948733706a37d4d2c54006257bbd2f874b43844e5abb07d811be19f47946bb50a2e34fe68f86f645048d9750af02833672dc3be3198222
ripemd-160 8b353eba66dcfaa373926084aaae5f34905fbbed

21551656 as geometric shapes

Circle

Radius = n
Diameter 43103312
Circumference 135413048.32459
Area 1.4591877177015E+15

Sphere

Radius = n
Volume 4.1930548975103E+22
Surface area 5.8367508708058E+15
Circumference 135413048.32459

Square

Length = n
Perimeter 86206624
Area 464473876342336
Diagonal 30478644.206799

Cube

Length = n
Surface area 2786843258054016
Volume 1.0010181203917E+22
Space diagonal 37328563.179247

Equilateral Triangle

Length = n
Perimeter 64654968
Area 2.0112308815335E+14
Altitude 18664281.589623

Triangular Pyramid

Length = n
Surface area 2.0112308815335E+14
Volume 1.1797111683659E+21
Height 10159548.068933