20971390 (number)

20971390 is an even 8-digits composite number following 20971389 and preceding 20971391. In scientific notation, it is written as 2.0971390 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 7625920 positive integers (up to 20971390) that are relatively prime to 20971390.

Interesting facts

Basic properties

Name

Name twenty million nine hundred seventy-one thousand three hundred ninety

Notation

Scientific notation 2.0971390 × 10^7
Engineering notation 2.0971390 × 10^6

Prime Factorization of 20971390

Prime Factorization 2 × 5 × 11 × 190649

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20971390
Product of the distinct prime numbers

The prime factorization of 20971390 is 2 × 5 × 11 × 190649. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 51, 77, 860, 381, 2085, 3009, 94393, 9957, 674207, 58332, 3316477, 4316479, 5212495, 23066536, 817954562, 931564320, 9632004751, 1907412109

Basic calculations (n = 20971390)

Multiplication

n×y
n×2 41942780
n×3 62914170
n×4 83885560
n×5 104856950

Division

n÷y
n÷2 10485695
n÷3 6990463.3333333
n÷3 5242847.5
n÷5 4194278

Exponentiation

ny
n2 439799198532100
n3 9.2232005141041E+21
n4 1.9342333502948E+29
n5 4.0563561940038E+36

Nth Root

y√n
2√n 4579.4530241067
3√n 275.76707050579
4√n 67.671655987619
5√n 29.128991134841

Divisors of 20971390

1, 2, 5, 10, 11, 22, 55, 110, 190649, 381298, 953245, 1906490, 2097139, 4194278, 10485695, 20971390

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 -20971389
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 20971390 can be divided by 16 positive divisors. The sum of these divisors (counting 20971390) is 1, the average is 0.0625.

Base conversion 20971390

Base System Value
2 Binary 1001111111111111101111110
3 Ternary 1110110110100011
4 Quaternary 1033333331332
5 Quinary 20332041030
6 Senary 2025253434
8 Octal 117777576
10 Decimal 20971390
12 Duodecimal 703427a
16 Hexadecimal 13fff7e
20 Vigesimal 6b189a
36 Base36 chhmm

Cryptographic Hash Functions

md5 78e734a25e9471a4ff335ee8feb1d0d7
sha1 ca60f03a33be4a42b6baa54e104503855cc1ac8b
sha256 e5399023bf3d43bdadf090079ba6f182fbf9b910930f53fb0a16884fb7123bec
sha512 3f6d641153149e60ca079c5177ceaf3ebc26324d109781936b6b104b0120e279946e8b8f5362483003f36c163f236b12809c0e0f78124a6ada9ddf3e5092232a
ripemd-160 f5ea2a0843dffca845a63f7f9c377a86fb18e248

20971390 as geometric shapes

Circle

Radius = n
Diameter 41942780
Circumference 131767129.51913
Area 1.3816699311631E+15

Sphere

Radius = n
Volume 3.863405197026E+22
Surface area 5.5266797246525E+15
Circumference 131767129.51913

Square

Length = n
Perimeter 83885560
Area 439799198532100
Diagonal 29658024.159816

Cube

Length = n
Surface area 2638795191192600
Volume 9.2232005141041E+21
Space diagonal 36323512.985342

Equilateral Triangle

Length = n
Perimeter 62914170
Area 1.9043863924642E+14
Altitude 18161756.492671

Triangular Pyramid

Length = n
Surface area 1.9043863924642E+14
Volume 1.0869646046277E+21
Height 9886008.0532718