21493550 (number)

21493550 is an even 8-digits composite number following 21493549 and preceding 21493551. In scientific notation, it is written as 2.1493550 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors. There are 7741440 positive integers (up to 21493550) that are relatively prime to 21493550.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand five hundred fifty

Notation

Scientific notation 2.1493550 × 10^7
Engineering notation 2.1493550 × 10^6

Prime Factorization of 21493550

Prime Factorization 2 × 65 × 5 × 43 × 769

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21493550
Product of the distinct prime numbers

The prime factorization of 21493550 is 2 × 65 × 5 × 43 × 769. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493550)

Multiplication

n×y
n×2 42987100
n×3 64480650
n×4 85974200
n×5 107467750

Division

n÷y
n÷2 10746775
n÷3 7164516.6666667
n÷3 5373387.5
n÷5 4298710

Exponentiation

ny
n2 461972691602500
n3 9.9294331455929E+21
n4 2.1341876778646E+29
n5 4.5871269563566E+36

Nth Root

y√n
2√n 4636.1136741888
3√n 278.03707905612
4√n 68.089012874242
5√n 29.272622384979

Divisors of 21493550

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493549
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493550 can be divided by 32 positive divisors. The sum of these divisors (counting 21493550) is 1, the average is 0.03125.

Base conversion 21493550

Base System Value
2 Binary 1010001111111011100101110
3 Ternary 1111102222121102
4 Quaternary 1101333130232
5 Quinary 21000243200
6 Senary 2044403102
8 Octal 121773456
10 Decimal 21493550
12 Duodecimal 7246492
16 Hexadecimal 147f72e
20 Vigesimal 6e6dha
36 Base36 csoj2

Cryptographic Hash Functions

md5 2616e4431635ac9a1b0dbd6613a5f67e
sha1 4b99ef71a3827618c0a194b90a951cff9d0dc7d7
sha256 5feb0524757485f524a267eebbabaeaeae587cddc270b7e7c54b95e130167ec6
sha512 2bd174dc90ec7c242a94a71e62c4f998bdbf9c75b30df53375dee10414c451535d54348a0c081795923cbc39ebd51f4703d3a007e1624eaed662772284cb9109
ripemd-160 cc2aef54fb161bfcc7d85ee25eb64be0db610438

21493550 as geometric shapes

Circle

Radius = n
Diameter 42987100
Circumference 135047957.55913
Area 1.4513300140975E+15

Sphere

Radius = n
Volume 4.1592312299341E+22
Surface area 5.8053200563901E+15
Circumference 135047957.55913

Square

Length = n
Perimeter 85974200
Area 461972691602500
Diagonal 30396469.913544

Cube

Length = n
Surface area 2771836149615000
Volume 9.9294331455929E+21
Space diagonal 37227920.635022

Equilateral Triangle

Length = n
Perimeter 64480650
Area 2.0004004339122E+14
Altitude 18613960.317511

Triangular Pyramid

Length = n
Surface area 2.0004004339122E+14
Volume 1.1701949184312E+21
Height 10132156.637848