20821738 (number)

20821738 is an even 8-digits composite number following 20821737 and preceding 20821739. In scientific notation, it is written as 2.0821738 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 8905680 positive integers (up to 20821738) that are relatively prime to 20821738.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0821738 × 10^7
Engineering notation 2.0821738 × 10^6

Prime Factorization of 20821738

Prime Factorization 2 × 7 × 631 × 2357

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20821738
Product of the distinct prime numbers

The prime factorization of 20821738 is 2 × 7 × 631 × 2357. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 54, 26, 134, 701, 7045, 1876, 68026, 15747, 885300, 572564, 5192861, 4728062, 63270977, 9772480, 447241938, 790157260, 3006665886, 1040180983

Basic calculations (n = 20821738)

Multiplication

n×y
n×2 41643476
n×3 62465214
n×4 83286952
n×5 104108690

Division

n÷y
n÷2 10410869
n÷3 6940579.3333333
n÷3 5205434.5
n÷5 4164347.6

Exponentiation

ny
n2 433544773340644
n3 9.0271556817683E+21
n4 1.8796107049099E+29
n5 3.9136761639629E+36

Nth Root

y√n
2√n 4563.0842639601
3√n 275.1095453379
4√n 67.550605207948
5√n 29.087299017417

Divisors of 20821738

1, 2, 7, 14, 631, 1262, 2357, 4417, 4714, 8834, 16499, 32998, 1487267, 2974534, 10410869, 20821738

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20821737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20821738 can be divided by 16 positive divisors. The sum of these divisors (counting 20821738) is 1, the average is 0.0625.

Base conversion 20821738

Base System Value
2 Binary 1001111011011011011101010
3 Ternary 1110011212001111
4 Quaternary 1033123123222
5 Quinary 20312243423
6 Senary 2022140534
8 Octal 117333352
10 Decimal 20821738
12 Duodecimal 6b8174a
16 Hexadecimal 13db6ea
20 Vigesimal 6a2e6i
36 Base36 cea5m

Cryptographic Hash Functions

md5 4fb6acfb86d757856f09050ee2942a7c
sha1 e7408466e8ae258f0cf8c25ceb57bca9dbe4e115
sha256 c13146eaa67713a1108e8ba89713bd9b2068fc1e969eea64822281de009077a7
sha512 3d3e02313a3e36a79903344176905ca49ebdd9c52485916cf022b1f05a8e65154100207f438c591ff9a55649a128c6cab4c6cdc143258f12fe910aa9a655f710
ripemd-160 b8e17a0975d5cc960e85be2dbd8f44601d00fca4

20821738 as geometric shapes

Circle

Radius = n
Diameter 41643476
Circumference 130826838.27154
Area 1.3620210749292E+15

Sphere

Radius = n
Volume 3.7812861296873E+22
Surface area 5.4480842997169E+15
Circumference 130826838.27154

Square

Length = n
Perimeter 83286952
Area 433544773340644
Diagonal 29446384.271779

Cube

Length = n
Surface area 2601268640043864
Volume 9.0271556817683E+21
Space diagonal 36064308.117888

Equilateral Triangle

Length = n
Perimeter 62465214
Area 1.8773039369548E+14
Altitude 18032154.058944

Triangular Pyramid

Length = n
Surface area 1.8773039369548E+14
Volume 1.0638604995675E+21
Height 9815461.4239264