21543385 (number)

21543385 is an odd 8-digits composite number following 21543384 and preceding 21543386. In scientific notation, it is written as 2.1543385 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 17234704 positive integers (up to 21543385) that are relatively prime to 21543385.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-three thousand three hundred eighty-five

Notation

Scientific notation 2.1543385 × 10^7
Engineering notation 2.1543385 × 10^6

Prime Factorization of 21543385

Prime Factorization 5 × 4308677

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21543385
Product of the distinct prime numbers

The prime factorization of 21543385 is 5 × 4308677. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21543385)

Multiplication

n×y
n×2 43086770
n×3 64630155
n×4 86173540
n×5 107716925

Division

n÷y
n÷2 10771692.5
n÷3 7181128.3333333
n÷3 5385846.25
n÷5 4308677

Exponentiation

ny
n2 464117437258225
n3 9.9986606360673E+21
n4 2.1540499556714E+29
n5 4.6405527504262E+36

Nth Root

y√n
2√n 4641.4852148854
3√n 278.25179901897
4√n 68.128446444091
5√n 29.286184128513

Divisors of 21543385

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 -21543384
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 21543385 can be divided by 4 positive divisors. The sum of these divisors (counting 21543385) is 1, the average is 0.25.

Base conversion 21543385

Base System Value
2 Binary 1010010001011100111011001
3 Ternary 1111112111222011
4 Quaternary 1102023213121
5 Quinary 21003342020
6 Senary 2045425521
8 Octal 122134731
10 Decimal 21543385
12 Duodecimal 726b2a1
16 Hexadecimal 148b9d9
20 Vigesimal 6eci95
36 Base36 ctqzd

Cryptographic Hash Functions

md5 ac352e4dd35521e41939ee6fc752c8a9
sha1 da33773176522b3089bd7a6b1baeca0f3713ceca
sha256 20dc036b144eaf13306f337b4fb22bd97b6341f1044456bf9b98da2d318a19da
sha512 8d4209741694efd0e9400cf60591e8bfbb0bba73b8d9516193cfd76360fd8974fe625c8ea840660f7c4763e52c572bd6a63db11df45461a1048cf1ff59ceca76
ripemd-160 29a71ef17395143e9a54c786ba16ed9b8686eb6c

21543385 as geometric shapes

Circle

Radius = n
Diameter 43086770
Circumference 135361080.09891
Area 1.4580679312934E+15

Sphere

Radius = n
Volume 4.1882291733342E+22
Surface area 5.8322717251734E+15
Circumference 135361080.09891

Square

Length = n
Perimeter 86173540
Area 464117437258225
Diagonal 30466947.246425

Cube

Length = n
Surface area 2784704623549350
Volume 9.9986606360673E+21
Space diagonal 37314237.387017

Equilateral Triangle

Length = n
Perimeter 64630155
Area 2.0096874550248E+14
Altitude 18657118.693509

Triangular Pyramid

Length = n
Surface area 2.0096874550248E+14
Volume 1.1783534564244E+21
Height 10155649.082142