21243792 (number)

21243792 is an even 8-digits composite number following 21243791 and preceding 21243793. In scientific notation, it is written as 2.1243792 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors. There are 7081248 positive integers (up to 21243792) that are relatively prime to 21243792.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-three thousand seven hundred ninety-two

Notation

Scientific notation 2.1243792 × 10^7
Engineering notation 2.1243792 × 10^6

Prime Factorization of 21243792

Prime Factorization 2 × 2 × 2 × 2 × 3 × 442579

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2655474
Product of the distinct prime numbers

The prime factorization of 21243792 is 2 × 2 × 2 × 2 × 3 × 442579. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21243792)

Multiplication

n×y
n×2 42487584
n×3 63731376
n×4 84975168
n×5 106218960

Division

n÷y
n÷2 10621896
n÷3 7081264
n÷3 5310948
n÷5 4248758.4

Exponentiation

ny
n2 451298698539264
n3 9.5872956816388E+21
n4 2.0367051530323E+29
n5 4.3267340636347E+36

Nth Root

y√n
2√n 4609.0988273197
3√n 276.95593750601
4√n 67.890344139058
5√n 29.204273575636

Divisors of 21243792

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21243791
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21243792 can be divided by 20 positive divisors. The sum of these divisors (counting 21243792) is 1, the average is 0.05.

Base conversion 21243792

Base System Value
2 Binary 1010001000010011110010000
3 Ternary 1110222022000010
4 Quaternary 1101002132100
5 Quinary 20414300132
6 Senary 2035154520
8 Octal 121023620
10 Decimal 21243792
12 Duodecimal 7145a40
16 Hexadecimal 1442790
20 Vigesimal 6cf99c
36 Base36 cnbtc

Cryptographic Hash Functions

md5 2eeb11f5d9147936d1a6a1b54102d079
sha1 39ddc59e01e72cfdc96350939eb6b9bf80dff545
sha256 9654c3d10c57d6591a42dd84aca8ccab69757e13cf0c66c23beb69e42ed7f038
sha512 388092f7e68f3f22334e72452cdfa592571203234157ed7984e31e37c8cda67f283b8f12c9a4912297dd10bc6b0615536553ff99ef2355bd358e4f7fb1669ed7
ripemd-160 41b3968639d0b3a41e49c088b7a3d2e744c826a0

21243792 as geometric shapes

Circle

Radius = n
Diameter 42487584
Circumference 133478681.76318
Area 1.4177966759056E+15

Sphere

Radius = n
Volume 4.015917024164E+22
Surface area 5.6711867036223E+15
Circumference 133478681.76318

Square

Length = n
Perimeter 84975168
Area 451298698539264
Diagonal 30043258.762633

Cube

Length = n
Surface area 2707792191235584
Volume 9.5872956816388E+21
Space diagonal 36795327.089425

Equilateral Triangle

Length = n
Perimeter 63731376
Area 1.9541806881493E+14
Altitude 18397663.544713

Triangular Pyramid

Length = n
Surface area 1.9541806881493E+14
Volume 1.1298736316212E+21
Height 10014419.587544