20821497 (number)

20821497 is an odd 8-digits composite number following 20821496 and preceding 20821498. In scientific notation, it is written as 2.0821497 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 13792272 positive integers (up to 20821497) that are relatively prime to 20821497.

Interesting facts

Basic properties

Name

Name twenty million eight hundred twenty-one thousand four hundred ninety-seven

Notation

Scientific notation 2.0821497 × 10^7
Engineering notation 2.0821497 × 10^6

Prime Factorization of 20821497

Prime Factorization 3 × 157 × 44207

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20821497
Product of the distinct prime numbers

The prime factorization of 20821497 is 3 × 157 × 44207. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20821497)

Multiplication

n×y
n×2 41642994
n×3 62464491
n×4 83285988
n×5 104107485

Division

n÷y
n÷2 10410748.5
n÷3 6940499
n÷3 5205374.25
n÷5 4164299.4

Exponentiation

ny
n2 433534737321009
n3 9.0268422325252E+21
n4 1.87952368464E+29
n5 3.913449676116E+36

Nth Root

y√n
2√n 4563.0578563064
3√n 275.10848392064
4√n 67.550409741958
5√n 29.087231683254

Divisors of 20821497

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 -20821496
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 20821497 can be divided by 8 positive divisors. The sum of these divisors (counting 20821497) is 1, the average is 0.125.

Base conversion 20821497

Base System Value
2 Binary 1001111011011010111111001
3 Ternary 1110011211201120
4 Quaternary 1033123113321
5 Quinary 20312241442
6 Senary 2022135453
8 Octal 117332771
10 Decimal 20821497
12 Duodecimal 6b81589
16 Hexadecimal 13db5f9
20 Vigesimal 6a2deh
36 Base36 ce9yx

Cryptographic Hash Functions

md5 b2c466bb7c1d06c75ef369dc7c65cb6f
sha1 bbbd64dcedc517b01d4f655f4b4125d837265ebf
sha256 e1f7241c125ea6f2f37d0d973c83cd8518d87d75a636623536f4a3427bb8456e
sha512 0aea8fc224f44325295d2debcb115e7a9a2ba277fae71e5a69de000450d362fa1d12842aff7614df4996a19eedb537c7760316de1e6d05454d9bfc48ba4a9cb2
ripemd-160 3533f2a9cae164bfb60122b3afc64875e2945a89

20821497 as geometric shapes

Circle

Radius = n
Diameter 41642994
Circumference 130825324.02388
Area 1.3619895458437E+15

Sphere

Radius = n
Volume 3.7811548323754E+22
Surface area 5.4479581833746E+15
Circumference 130825324.02388

Square

Length = n
Perimeter 83285988
Area 433534737321009
Diagonal 29446043.446311

Cube

Length = n
Surface area 2601208423926054
Volume 9.0268422325252E+21
Space diagonal 36063890.693643

Equilateral Triangle

Length = n
Perimeter 62464491
Area 1.877260479715E+14
Altitude 18031945.346821

Triangular Pyramid

Length = n
Surface area 1.877260479715E+14
Volume 1.0638235592199E+21
Height 9815347.8154369