20921580 (number)

20921580 is an even 8-digits composite number following 20921579 and preceding 20921581. In scientific notation, it is written as 2.0921580 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 5458176 positive integers (up to 20921580) that are relatively prime to 20921580.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand five hundred eighty

Notation

Scientific notation 2.0921580 × 10^7
Engineering notation 2.0921580 × 10^6

Prime Factorization of 20921580

Prime Factorization 2 × 2 × 45 × 47 × 2473

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10460790
Product of the distinct prime numbers

The prime factorization of 20921580 is 2 × 2 × 45 × 47 × 2473. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 9, 6, 45, 610, 50, 4474, 7561, 54993, 71906, 127083, 683607, 4602136, 7660111, 12281811, 72542086, 258202597, 640565617, 7886864202, 9873420993

Basic calculations (n = 20921580)

Multiplication

n×y
n×2 41843160
n×3 62764740
n×4 83686320
n×5 104607900

Division

n÷y
n÷2 10460790
n÷3 6973860
n÷3 5230395
n÷5 4184316

Exponentiation

ny
n2 437712509696400
n3 9.157637288614E+21
n4 1.9159224114472E+29
n5 4.0084124004886E+36

Nth Root

y√n
2√n 4574.011368591
3√n 275.54856890117
4√n 67.631437723821
5√n 29.115140880118

Divisors of 20921580

1, 2, 4, 45, 47, 90, 94, 180, 188, 2115, 2473, 4230, 4946, 8460, 9892, 111285, 116231, 222570, 232462, 445140, 464924, 5230395, 10460790, 20921580

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 -20921579
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 20921580 can be divided by 24 positive divisors. The sum of these divisors (counting 20921580) is 1, the average is 0.041666666666667.

Base conversion 20921580

Base System Value
2 Binary 1001111110011110011101100
3 Ternary 1110100221000100
4 Quaternary 1033303303230
5 Quinary 20323442310
6 Senary 2024231100
8 Octal 117636354
10 Decimal 20921580
12 Duodecimal 700b490
16 Hexadecimal 13f3cec
20 Vigesimal 6af3j0
36 Base36 cgf70

Cryptographic Hash Functions

md5 e7bd64e10ac2d6cedd0cd57c4e05d41f
sha1 b1e86b8315b25417e6cea1355dc3626b2333320b
sha256 a3aa5bd304e552f65286f26c5f05ba9ffd42ffca82081ef11ba99f3e56ebdc47
sha512 8c4b2ec196d2b39b7e632fd149722f0dabc34398465a0f3f8ed460b0f18e943cfe5a22133f9a2b9f9b1df765920b225e37af3279e4fd371966e4bd7cf7fb3c58
ripemd-160 bac4dd001bbac9c471ce38c5012add465245969e

20921580 as geometric shapes

Circle

Radius = n
Diameter 41843160
Circumference 131454164.05898
Area 1.3751144048466E+15

Sphere

Radius = n
Volume 3.8359421373533E+22
Surface area 5.5004576193862E+15
Circumference 131454164.05898

Square

Length = n
Perimeter 83686320
Area 437712509696400
Diagonal 29587582.182274

Cube

Length = n
Surface area 2626275058178400
Volume 9.157637288614E+21
Space diagonal 36237239.534617

Equilateral Triangle

Length = n
Perimeter 62764740
Area 1.8953507647566E+14
Altitude 18118619.767308

Triangular Pyramid

Length = n
Surface area 1.8953507647566E+14
Volume 1.0792379044043E+21
Height 9862527.3940912