21388453 (number)

21388453 is an odd 8-digits composite number following 21388452 and preceding 21388454. In scientific notation, it is written as 2.1388453 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 21277440 positive integers (up to 21388453) that are relatively prime to 21388453.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eighty-eight thousand four hundred fifty-three

Notation

Scientific notation 2.1388453 × 10^7
Engineering notation 2.1388453 × 10^6

Prime Factorization of 21388453

Prime Factorization 193 × 110821

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21388453
Product of the distinct prime numbers

The prime factorization of 21388453 is 193 × 110821. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21388453)

Multiplication

n×y
n×2 42776906
n×3 64165359
n×4 85553812
n×5 106942265

Division

n÷y
n÷2 10694226.5
n÷3 7129484.3333333
n÷3 5347113.25
n÷5 4277690.6

Exponentiation

ny
n2 457465921733209
n3 9.7844883660924E+21
n4 2.0927506954721E+29
n5 4.4760699890823E+36

Nth Root

y√n
2√n 4624.7651832282
3√n 277.58316583131
4√n 68.005626114522
5√n 29.24393936422

Divisors of 21388453

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 -21388452
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 21388453 can be divided by 4 positive divisors. The sum of these divisors (counting 21388453) is 1, the average is 0.25.

Base conversion 21388453

Base System Value
2 Binary 1010001100101110010100101
3 Ternary 1111020122102221
4 Quaternary 1101211302211
5 Quinary 20433412303
6 Senary 2042232341
8 Octal 121456245
10 Decimal 21388453
12 Duodecimal 71b56b1
16 Hexadecimal 1465ca5
20 Vigesimal 6ddb2d
36 Base36 cqffp

Cryptographic Hash Functions

md5 cb6555f25ef04a18c73de649e92abd29
sha1 11483606c81b2d5ec5a7044cf0a231eeb96bb3e9
sha256 097cce6d0076e5e91435750480c6d2465da030c0ce6b663385e8006aa495118d
sha512 97df210545df9299041a5c08a8af992e1ae249429f99caa2113d0cc3eb302f60c3aeda18716c5f5a06d1419d22f279b59b661fdeea426409b2ccbb041e0b5713
ripemd-160 f7fc4f5bec49d981867485566218c81be2b6a892

21388453 as geometric shapes

Circle

Radius = n
Diameter 42776906
Circumference 134387613.6329
Area 1.4371715789847E+15

Sphere

Radius = n
Volume 4.0985169026734E+22
Surface area 5.7486863159389E+15
Circumference 134387613.6329

Square

Length = n
Perimeter 85553812
Area 457465921733209
Diagonal 30247840.31078

Cube

Length = n
Surface area 2744795530399254
Volume 9.7844883660924E+21
Space diagonal 37045887.291299

Equilateral Triangle

Length = n
Perimeter 64165359
Area 1.9808855479331E+14
Altitude 18522943.645649

Triangular Pyramid

Length = n
Surface area 1.9808855479331E+14
Volume 1.1531130123508E+21
Height 10082613.436927