21742521 (number)

21742521 is an odd 8-digits composite number following 21742520 and preceding 21742522. In scientific notation, it is written as 2.1742521 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 13864752 positive integers (up to 21742521) that are relatively prime to 21742521.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1742521 × 10^7
Engineering notation 2.1742521 × 10^6

Prime Factorization of 21742521

Prime Factorization 69 × 315109

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21742521
Product of the distinct prime numbers

The prime factorization of 21742521 is 69 × 315109. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21742521)

Multiplication

n×y
n×2 43485042
n×3 65227563
n×4 86970084
n×5 108712605

Division

n÷y
n÷2 10871260.5
n÷3 7247507
n÷3 5435630.25
n÷5 4348504.2

Exponentiation

ny
n2 472737219435441
n3 1.0278498921057E+22
n4 2.2348047863955E+29
n5 4.8590289999105E+36

Nth Root

y√n
2√n 4662.8876246378
3√n 279.10650986656
4√n 68.28533974901
5√n 29.340126342547

Divisors of 21742521

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 -21742520
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 21742521 can be divided by 4 positive divisors. The sum of these divisors (counting 21742521) is 1, the average is 0.25.

Base conversion 21742521

Base System Value
2 Binary 1010010111100001110111001
3 Ternary 1111220122010120
4 Quaternary 1102330032321
5 Quinary 21031230041
6 Senary 2054003453
8 Octal 122741671
10 Decimal 21742521
12 Duodecimal 7346589
16 Hexadecimal 14bc3b9
20 Vigesimal 6fhg61
36 Base36 cy0mx

Cryptographic Hash Functions

md5 8d6f32a905e9f4b999c0c972f4bec04b
sha1 91c8931e2c8df7a58e37cccdb3bf2c55f22c6cfd
sha256 24495d4ba3207c70a0199eaab54118cc96bfee08813d3f0152930c59a1e53ec7
sha512 db03d39894f8a5cb7f3acd276cd5c472f7564880f36088bae4d7d8cfc3aa9bf3bfc97d1f9e8cfc01698180c8dfe0b9b430df291d8f630cdbc36d48f7be84bd4c
ripemd-160 484023fc2791ab3f1bee448033a9d3665f3e056e

21742521 as geometric shapes

Circle

Radius = n
Diameter 43485042
Circumference 136612288.48824
Area 1.4851477756568E+15

Sphere

Radius = n
Volume 4.305447560043E+22
Surface area 5.9405911026274E+15
Circumference 136612288.48824

Square

Length = n
Perimeter 86970084
Area 472737219435441
Diagonal 30748568.078382

Cube

Length = n
Surface area 2836423316612646
Volume 1.0278498921057E+22
Space diagonal 37659151.056633

Equilateral Triangle

Length = n
Perimeter 65227563
Area 2.0470122067276E+14
Altitude 18829575.528317

Triangular Pyramid

Length = n
Surface area 2.0470122067276E+14
Volume 1.211332714583E+21
Height 10249522.692794