20921585 (number)

20921585 is an odd 8-digits composite number following 20921584 and preceding 20921586. In scientific notation, it is written as 2.0921585 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 16616304 positive integers (up to 20921585) that are relatively prime to 20921585.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921585 × 10^7
Engineering notation 2.0921585 × 10^6

Prime Factorization of 20921585

Prime Factorization 5 × 139 × 30103

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921585
Product of the distinct prime numbers

The prime factorization of 20921585 is 5 × 139 × 30103. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921585)

Multiplication

n×y
n×2 41843170
n×3 62764755
n×4 83686340
n×5 104607925

Division

n÷y
n÷2 10460792.5
n÷3 6973861.6666667
n÷3 5230396.25
n÷5 4184317

Exponentiation

ny
n2 437712718912225
n3 9.1576438543032E+21
n4 1.9159242429753E+29
n5 4.0084171902969E+36

Nth Root

y√n
2√n 4574.0119151572
3√n 275.54859085207
4√n 67.631441764591
5√n 29.11514227175

Divisors of 20921585

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 -20921584
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 20921585 can be divided by 8 positive divisors. The sum of these divisors (counting 20921585) is 1, the average is 0.125.

Base conversion 20921585

Base System Value
2 Binary 1001111110011110011110001
3 Ternary 1110100221000112
4 Quaternary 1033303303301
5 Quinary 20323442320
6 Senary 2024231105
8 Octal 117636361
10 Decimal 20921585
12 Duodecimal 700b495
16 Hexadecimal 13f3cf1
20 Vigesimal 6af3j5
36 Base36 cgf75

Cryptographic Hash Functions

md5 878c5349fb1957addafb163347602afe
sha1 c3eb7dd325e4fd3598e9b905907ec02ec73e3ab6
sha256 452e457da1ef65193023b59fc56a3ae1066166f6fcd424030902e9dd049764cc
sha512 1934e334412d5fed76d024ad2d93971290b1fe768a08e802433e75e2782f23bb5f682efcb376b2e023641eea3cf6bcfd049aee9a612494f9a1ef52c2e721b7ab
ripemd-160 75a29d034ecc5ee24932be3df79cf999b86d4a06

20921585 as geometric shapes

Circle

Radius = n
Diameter 41843170
Circumference 131454195.47491
Area 1.3751150621175E+15

Sphere

Radius = n
Volume 3.8359448875828E+22
Surface area 5.5004602484698E+15
Circumference 131454195.47491

Square

Length = n
Perimeter 83686340
Area 437712718912225
Diagonal 29587589.253342

Cube

Length = n
Surface area 2626276313473350
Volume 9.1576438543032E+21
Space diagonal 36237248.194871

Equilateral Triangle

Length = n
Perimeter 62764755
Area 1.8953516706877E+14
Altitude 18118624.097435

Triangular Pyramid

Length = n
Surface area 1.8953516706877E+14
Volume 1.0792386781782E+21
Height 9862529.7511138