20921742 (number)

20921742 is an even 8-digits composite number following 20921741 and preceding 20921743. In scientific notation, it is written as 2.0921742 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 6946560 positive integers (up to 20921742) that are relatively prime to 20921742.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921742 × 10^7
Engineering notation 2.0921742 × 10^6

Prime Factorization of 20921742

Prime Factorization 2 × 3 × 3 × 4289 × 271

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6973914
Product of the distinct prime numbers

The prime factorization of 20921742 is 2 × 3 × 3 × 4289 × 271. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 2, 52, 61, 340, 320, 3307, 6859, 91337, 87285, 195158, 360460, 2013726, 850266, 77038029, 84160197, 768160843, 537579429, 394802530, 8599692120

Basic calculations (n = 20921742)

Multiplication

n×y
n×2 41843484
n×3 62765226
n×4 83686968
n×5 104608710

Division

n÷y
n÷2 10460871
n÷3 6973914
n÷3 5230435.5
n÷5 4184348.4

Exponentiation

ny
n2 437719288314564
n3 9.1578500185409E+21
n4 1.9159817536261E+29
n5 4.0085675926072E+36

Nth Root

y√n
2√n 4574.0290773015
3√n 275.54928010866
4√n 67.631568644395
5√n 29.115185968856

Divisors of 20921742

1, 2, 3, 6, 9, 18, 271, 542, 813, 1626, 2439, 4289, 4878, 8578, 12867, 25734, 38601, 77202, 1162319, 2324638, 3486957, 6973914, 10460871, 20921742

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921741
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921742 can be divided by 24 positive divisors. The sum of these divisors (counting 20921742) is 1, the average is 0.041666666666667.

Base conversion 20921742

Base System Value
2 Binary 1001111110011110110001110
3 Ternary 1110100221020100
4 Quaternary 1033303312032
5 Quinary 20323443432
6 Senary 2024231530
8 Octal 117636616
10 Decimal 20921742
12 Duodecimal 700b5a6
16 Hexadecimal 13f3d8e
20 Vigesimal 6af472
36 Base36 cgfbi

Cryptographic Hash Functions

md5 90fddbcd014019ab6d42564cd1562ed5
sha1 075d340d456da79161dcb60c931b35ab6a62ae9b
sha256 f11e9e0192ab82dc85a6992365aa7c7215b8935e19010f265a403c2711f01338
sha512 f04d0c49aa99d2f058aa0f644cfb01d5b857e78e048776c97d16e06fc28e859bfd2d0e222dbf2af874d3eb1d92ec1f208bbb3676930aff95f82ab5fd752e374f
ripemd-160 362e86a51ccf6fa60ad78962fa30e7e0cfddd577

20921742 as geometric shapes

Circle

Radius = n
Diameter 41843484
Circumference 131455181.935
Area 1.3751357005036E+15

Sphere

Radius = n
Volume 3.8360312454567E+22
Surface area 5.5005428020143E+15
Circumference 131455181.935

Square

Length = n
Perimeter 83686968
Area 437719288314564
Diagonal 29587811.284871

Cube

Length = n
Surface area 2626315729887384
Volume 9.1578500185409E+21
Space diagonal 36237520.126848

Equilateral Triangle

Length = n
Perimeter 62765226
Area 1.8953801170343E+14
Altitude 18118760.063424

Triangular Pyramid

Length = n
Surface area 1.8953801170343E+14
Volume 1.0792629748666E+21
Height 9862603.7616236