20821480 (number)

20821480 is an even 8-digits composite number following 20821479 and preceding 20821481. In scientific notation, it is written as 2.0821480 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors. There are 8285760 positive integers (up to 20821480) that are relatively prime to 20821480.

Interesting facts

Basic properties

Name

Name twenty million eight hundred twenty-one thousand four hundred eighty

Notation

Scientific notation 2.0821480 × 10^7
Engineering notation 2.0821480 × 10^6

Prime Factorization of 20821480

Prime Factorization 2 × 2 × 2 × 5 × 211 × 2467

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5205370
Product of the distinct prime numbers

The prime factorization of 20821480 is 2 × 2 × 2 × 5 × 211 × 2467. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 10, 89, 46, 589, 29, 6900, 3188, 30341, 31893, 897733, 107492, 8250549, 9692203, 42950366, 1504989, 663863141, 1282096, 9178102651, 1701090510

Basic calculations (n = 20821480)

Multiplication

n×y
n×2 41642960
n×3 62464440
n×4 83285920
n×5 104107400

Division

n÷y
n÷2 10410740
n÷3 6940493.3333333
n÷3 5205370
n÷5 4164296

Exponentiation

ny
n2 433534029390400
n3 9.0268201222716E+21
n4 1.8795175463948E+29
n5 3.9134337001908E+36

Nth Root

y√n
2√n 4563.0559935201
3√n 275.10840904857
4√n 67.550395953837
5√n 29.087226933517

Divisors of 20821480

1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 2467, 4220, 4934, 8440, 9868, 12335, 19736, 24670, 49340, 98680, 520537, 1041074, 2082148, 2602685, 4164296, 5205370, 10410740, 20821480

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20821479
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20821480 can be divided by 32 positive divisors. The sum of these divisors (counting 20821480) is 1, the average is 0.03125.

Base conversion 20821480

Base System Value
2 Binary 1001111011011010111101000
3 Ternary 1110011211200221
4 Quaternary 1033123113220
5 Quinary 20312241410
6 Senary 2022135424
8 Octal 117332750
10 Decimal 20821480
12 Duodecimal 6b81574
16 Hexadecimal 13db5e8
20 Vigesimal 6a2de0
36 Base36 ce9yg

Cryptographic Hash Functions

md5 f6563b2804f5ee904bfaaf742a15f70e
sha1 19ccd96c62ea32086dc6a283ba79268741c05dad
sha256 6a66b9144ef9a39f1fc40212615802e4f92a74572f33aca64a7d5e506534168a
sha512 a9b2220eb3d414b9197669ed9219bdb289f388ba8b4a5ab60961fa7b8c3480f4217193f1cd8c5d5130b368227912eab35d7b80903f884770be4c5ae2d635e998
ripemd-160 2b9d3d05179ec11996ae3f3e183e6bb66d53416b

20821480 as geometric shapes

Circle

Radius = n
Diameter 41642960
Circumference 130825217.20973
Area 1.3619873218141E+15

Sphere

Radius = n
Volume 3.781145570854E+22
Surface area 5.4479492872562E+15
Circumference 130825217.20973

Square

Length = n
Perimeter 83285920
Area 433534029390400
Diagonal 29446019.40468

Cube

Length = n
Surface area 2601204176342400
Volume 9.0268201222716E+21
Space diagonal 36063861.248779

Equilateral Triangle

Length = n
Perimeter 62464440
Area 1.8772574142856E+14
Altitude 18031930.62439

Triangular Pyramid

Length = n
Surface area 1.8772574142856E+14
Volume 1.0638209535016E+21
Height 9815339.8015601