21554731 (number)

21554731 is an odd 8-digits composite number following 21554730 and preceding 21554732. In scientific notation, it is written as 2.1554731 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 19595200 positive integers (up to 21554731) that are relatively prime to 21554731.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-four thousand seven hundred thirty-one

Notation

Scientific notation 2.1554731 × 10^7
Engineering notation 2.1554731 × 10^6

Prime Factorization of 21554731

Prime Factorization 11 × 1959521

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21554731
Product of the distinct prime numbers

The prime factorization of 21554731 is 11 × 1959521. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21554731)

Multiplication

n×y
n×2 43109462
n×3 64664193
n×4 86218924
n×5 107773655

Division

n÷y
n÷2 10777365.5
n÷3 7184910.3333333
n÷3 5388682.75
n÷5 4310946.2

Exponentiation

ny
n2 464606428482361
n3 1.0014466586808E+22
n4 2.1585913338714E+29
n5 4.6527855540528E+36

Nth Root

y√n
2√n 4642.7072920872
3√n 278.30063830839
4√n 68.137414774023
5√n 29.289268240576

Divisors of 21554731

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21554730
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21554731 can be divided by 4 positive divisors. The sum of these divisors (counting 21554731) is 1, the average is 0.25.

Base conversion 21554731

Base System Value
2 Binary 1010010001110011000101011
3 Ternary 1111120002112101
4 Quaternary 1102032120223
5 Quinary 21004222411
6 Senary 2045554231
8 Octal 122163053
10 Decimal 21554731
12 Duodecimal 7275977
16 Hexadecimal 148e62b
20 Vigesimal 6ee6gb
36 Base36 ctzqj

Cryptographic Hash Functions

md5 1315ac6ae13b5ecdf1cbb943e5050d16
sha1 5021b445d4383dd564c90cbb2b3fe9e5c773b029
sha256 3d41e547dd65363b5de7992334501d2bca596127362e0a4faecfdc645f394869
sha512 f1b142d1e347ba1086e59c00bcb50ca73d6e02be2646db1b866f5108584c1e27c709a488b82702b87d0fbe16928d459a1252907e9476630b7d268b0d1bd29f54
ripemd-160 01b1c08ecb0bd3b3695303f89f81088e73621fca

21554731 as geometric shapes

Circle

Radius = n
Diameter 43109462
Circumference 135432369.11941
Area 1.4596041425308E+15

Sphere

Radius = n
Volume 4.1948499544982E+22
Surface area 5.8384165701231E+15
Circumference 135432369.11941

Square

Length = n
Perimeter 86218924
Area 464606428482361
Diagonal 30482992.913504

Cube

Length = n
Surface area 2787638570894166
Volume 1.0014466586808E+22
Space diagonal 37333889.23548

Equilateral Triangle

Length = n
Perimeter 64664193
Area 2.0118048491364E+14
Altitude 18666944.61774

Triangular Pyramid

Length = n
Surface area 2.0118048491364E+14
Volume 1.180216205583E+21
Height 10160997.637835