21242045 (number)

21242045 is an odd 8-digits composite number following 21242044 and preceding 21242046. In scientific notation, it is written as 2.1242045 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 15448720 positive integers (up to 21242045) that are relatively prime to 21242045.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-two thousand forty-five

Notation

Scientific notation 2.1242045 × 10^7
Engineering notation 2.1242045 × 10^6

Prime Factorization of 21242045

Prime Factorization 55 × 386219

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21242045
Product of the distinct prime numbers

The prime factorization of 21242045 is 55 × 386219. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21242045)

Multiplication

n×y
n×2 42484090
n×3 63726135
n×4 84968180
n×5 106210225

Division

n÷y
n÷2 10621022.5
n÷3 7080681.6666667
n÷3 5310511.25
n÷5 4248409

Exponentiation

ny
n2 451224475782025
n3 9.5849306196632E+21
n4 2.0360352754476E+29
n5 4.3249552942646E+36

Nth Root

y√n
2√n 4608.9093069836
3√n 276.9483454012
4√n 67.888948342006
5√n 29.203793232538

Divisors of 21242045

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 -21242044
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 21242045 can be divided by 4 positive divisors. The sum of these divisors (counting 21242045) is 1, the average is 0.25.

Base conversion 21242045

Base System Value
2 Binary 1010001000010000010111101
3 Ternary 1110222012121102
4 Quaternary 1101002002331
5 Quinary 20414221140
6 Senary 2035142445
8 Octal 121020275
10 Decimal 21242045
12 Duodecimal 7144a25
16 Hexadecimal 14420bd
20 Vigesimal 6cf525
36 Base36 cnagt

Cryptographic Hash Functions

md5 a654860fae47a9d9859a99b1c9e6de17
sha1 32a0b3185f5f83251cb7c9fa9340a6b7908930cd
sha256 c8533094e0cc7906ae45672b64badce97e95b16e29f4f80512584474f4cba9ee
sha512 892fad1e73cd67c52080aef58915659a9792f0b04990195785bce942f8348d53c9884e66cbba01a501e502556e475326177f056403b581674de30de1865beaff
ripemd-160 54a4d503ba0db1753ffc30e1adadcc22ed31b0ee

21242045 as geometric shapes

Circle

Radius = n
Diameter 42484090
Circumference 133467705.03845
Area 1.4175634982367E+15

Sphere

Radius = n
Volume 4.0149263493202E+22
Surface area 5.6702539929469E+15
Circumference 133467705.03845

Square

Length = n
Perimeter 84968180
Area 451224475782025
Diagonal 30040788.13154

Cube

Length = n
Surface area 2707346854692150
Volume 9.5849306196632E+21
Space diagonal 36792301.196664

Equilateral Triangle

Length = n
Perimeter 63726135
Area 1.9538592941827E+14
Altitude 18396150.598332

Triangular Pyramid

Length = n
Surface area 1.9538592941827E+14
Volume 1.1295949063944E+21
Height 10013596.043847