20821401 (number)

20821401 is an odd 8-digits composite number following 20821400 and preceding 20821402. In scientific notation, it is written as 2.0821401 × 10^7. The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors. There are 13880916 positive integers (up to 20821401) that are relatively prime to 20821401.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0821401 × 10^7
Engineering notation 2.0821401 × 10^6

Prime Factorization of 20821401

Prime Factorization 27 × 771163

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20821401
Product of the distinct prime numbers

The prime factorization of 20821401 is 27 × 771163. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20821401)

Multiplication

n×y
n×2 41642802
n×3 62464203
n×4 83285604
n×5 104107005

Division

n÷y
n÷2 10410700.5
n÷3 6940467
n÷3 5205350.25
n÷5 4164280.2

Exponentiation

ny
n2 433530739602801
n3 9.0267173750965E+21
n4 1.8794890218055E+29
n5 3.913359459811E+36

Nth Root

y√n
2√n 4563.0473370326
3√n 275.10806111314
4√n 67.550331879515
5√n 29.087204861173

Divisors of 20821401

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20821400
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20821401 can be divided by 4 positive divisors. The sum of these divisors (counting 20821401) is 1, the average is 0.25.

Base conversion 20821401

Base System Value
2 Binary 1001111011011010110011001
3 Ternary 1110011211121000
4 Quaternary 1033123112121
5 Quinary 20312241101
6 Senary 2022135213
8 Octal 117332631
10 Decimal 20821401
12 Duodecimal 6b81509
16 Hexadecimal 13db599
20 Vigesimal 6a2da1
36 Base36 ce9w9

Cryptographic Hash Functions

md5 3bbe231f6bd90fc3dd7ff6184483cd3e
sha1 4c635fff9ab4233ea5a546d0e007292815c66c8d
sha256 b09e424fdaa7c213d8e753501bdc600b10f55a35bff870315c51368e2d5c597a
sha512 f587fc4d6eb8295277507342b1ebb59b6aa8eeafc9db0474b62d84e86bbdc73817f81b04f83e6d086ced260643d7ffa615fca109c36d8357626884d3025f229e
ripemd-160 e5d8f9e7079d1d620f109fa109adccd7e58879b2

20821401 as geometric shapes

Circle

Radius = n
Diameter 41642802
Circumference 130824720.83809
Area 1.3619769866415E+15

Sphere

Radius = n
Volume 3.7811025322179E+22
Surface area 5.447907946566E+15
Circumference 130824720.83809

Square

Length = n
Perimeter 83285604
Area 433530739602801
Diagonal 29445907.681809

Cube

Length = n
Surface area 2601184437616806
Volume 9.0267173750965E+21
Space diagonal 36063724.416765

Equilateral Triangle

Length = n
Perimeter 62464203
Area 1.8772431690874E+14
Altitude 18031862.208383

Triangular Pyramid

Length = n
Surface area 1.8772431690874E+14
Volume 1.0638088446309E+21
Height 9815302.5606029