21551356 (number)

21551356 is an even 8-digits composite number following 21551355 and preceding 21551357. In scientific notation, it is written as 2.1551356 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 10744448 positive integers (up to 21551356) that are relatively prime to 21551356.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1551356 × 10^7
Engineering notation 2.1551356 × 10^6

Prime Factorization of 21551356

Prime Factorization 2 × 2 × 353 × 15263

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10775678
Product of the distinct prime numbers

The prime factorization of 21551356 is 2 × 2 × 353 × 15263. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551356)

Multiplication

n×y
n×2 43102712
n×3 64654068
n×4 86205424
n×5 107756780

Division

n÷y
n÷2 10775678
n÷3 7183785.3333333
n÷3 5387839
n÷5 4310271.2

Exponentiation

ny
n2 464460945438736
n3 1.0009763183247E+22
n4 2.1572396983784E+29
n5 4.6491440717086E+36

Nth Root

y√n
2√n 4642.3438045884
3√n 278.28611228344
4√n 68.134747409735
5√n 29.288350971211

Divisors of 21551356

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 -21551355
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 21551356 can be divided by 12 positive divisors. The sum of these divisors (counting 21551356) is 1, the average is 0.083333333333333.

Base conversion 21551356

Base System Value
2 Binary 1010010001101100011111100
3 Ternary 1111112220220101
4 Quaternary 1102031203330
5 Quinary 21004120411
6 Senary 2045530444
8 Octal 122154374
10 Decimal 21551356
12 Duodecimal 7273a24
16 Hexadecimal 148d8fc
20 Vigesimal 6edi7g
36 Base36 ctx4s

Cryptographic Hash Functions

md5 92970bc51eb6526e283a28cd0a69bdd1
sha1 b93211deb828e11e5bbf507d2e77832feeb2d211
sha256 9874da215d1aee8e959d3dc4049752c6129141b3586970a7c54cb50e423491ef
sha512 0e1c54e04eded011e5fc2f036eb69a7fe396d795edd385360ffa699cee8f727c7c8ba195af71b0eae349218874b4e40ace13745153182c02de6bb7631a77eefe
ripemd-160 5752053a09bc491178295e4b0fdcb4a00d0bad78

21551356 as geometric shapes

Circle

Radius = n
Diameter 43102712
Circumference 135411163.369
Area 1.4591470940697E+15

Sphere

Radius = n
Volume 4.1928797974216E+22
Surface area 5.8365883762788E+15
Circumference 135411163.369

Square

Length = n
Perimeter 86205424
Area 464460945438736
Diagonal 30478219.942731

Cube

Length = n
Surface area 2786765672632416
Volume 1.0009763183247E+22
Space diagonal 37328043.564004

Equilateral Triangle

Length = n
Perimeter 64654068
Area 2.0111748890784E+14
Altitude 18664021.782002

Triangular Pyramid

Length = n
Surface area 2.0111748890784E+14
Volume 1.1796619041575E+21
Height 10159406.647577