20921738 (number)

20921738 is an even 8-digits composite number following 20921737 and preceding 20921739. In scientific notation, it is written as 2.0921738 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 10454400 positive integers (up to 20921738) that are relatively prime to 20921738.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand seven hundred thirty-eight

Notation

Scientific notation 2.0921738 × 10^7
Engineering notation 2.0921738 × 10^6

Prime Factorization of 20921738

Prime Factorization 2 × 3301 × 3169

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921738
Product of the distinct prime numbers

The prime factorization of 20921738 is 2 × 3301 × 3169. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921738)

Multiplication

n×y
n×2 41843476
n×3 62765214
n×4 83686952
n×5 104608690

Division

n÷y
n÷2 10460869
n÷3 6973912.6666667
n÷3 5230434.5
n÷5 4184347.6

Exponentiation

ny
n2 437719120940644
n3 9.1578447659105E+21
n4 1.9159802883705E+29
n5 4.0085637606452E+36

Nth Root

y√n
2√n 4574.0286400503
3√n 275.54926254802
4√n 67.631565411798
5√n 29.115184855557

Divisors of 20921738

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921738 can be divided by 8 positive divisors. The sum of these divisors (counting 20921738) is 1, the average is 0.125.

Base conversion 20921738

Base System Value
2 Binary 1001111110011110110001010
3 Ternary 1110100221020012
4 Quaternary 1033303312022
5 Quinary 20323443423
6 Senary 2024231522
8 Octal 117636612
10 Decimal 20921738
12 Duodecimal 700b5a2
16 Hexadecimal 13f3d8a
20 Vigesimal 6af46i
36 Base36 cgfbe

Cryptographic Hash Functions

md5 ec5c476721cae107712b8d4dc191a151
sha1 61fca7fe7770b62471d0b9e0291e9ce95efb644e
sha256 df94340546453ccb9bd58e3bcf315f77f4bbb4156209980318647f4a2a234ef8
sha512 13461e6c2c21c41def45ee2d67b9094a2dd0c90c23cdde1d517d34106d974389432dcb32922f141305845ac90fab0237f88bf960759d325e0d8512ba3dc5a0c8
ripemd-160 262ebe69e50a18283135b64c7ba755403a3e7c75

20921738 as geometric shapes

Circle

Radius = n
Diameter 41843476
Circumference 131455156.80226
Area 1.3751351746829E+15

Sphere

Radius = n
Volume 3.83602904524E+22
Surface area 5.5005406987316E+15
Circumference 131455156.80226

Square

Length = n
Perimeter 83686952
Area 437719120940644
Diagonal 29587805.628017

Cube

Length = n
Surface area 2626314725643864
Volume 9.1578447659105E+21
Space diagonal 36237513.198644

Equilateral Triangle

Length = n
Perimeter 62765214
Area 1.895379392284E+14
Altitude 18118756.599322

Triangular Pyramid

Length = n
Surface area 1.895379392284E+14
Volume 1.0792623558382E+21
Height 9862601.8760055