20021491 (number)

20021491 is an odd 8-digits composite number following 20021490 and preceding 20021492. In scientific notation, it is written as 2.0021491 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 16925760 positive integers (up to 20021491) that are relatively prime to 20021491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0021491 × 10^7
Engineering notation 2.0021491 × 10^6

Prime Factorization of 20021491

Prime Factorization 73 × 7 × 39181

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20021491
Product of the distinct prime numbers

The prime factorization of 20021491 is 73 × 7 × 39181. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20021491)

Multiplication

n×y
n×2 40042982
n×3 60064473
n×4 80085964
n×5 100107455

Division

n÷y
n÷2 10010745.5
n÷3 6673830.3333333
n÷3 5005372.75
n÷5 4004298.2

Exponentiation

ny
n2 400860101863081
n3 8.0258169217108E+21
n4 1.6068882126568E+29
n5 3.2172297887714E+36

Nth Root

y√n
2√n 4474.5380767181
3√n 271.53895277056
4√n 66.891988135487
5√n 28.860196467278

Divisors of 20021491

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 -20021490
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 20021491 can be divided by 8 positive divisors. The sum of these divisors (counting 20021491) is 1, the average is 0.125.

Base conversion 20021491

Base System Value
2 Binary 1001100011000000011110011
3 Ternary 1101200012022201
4 Quaternary 1030120003303
5 Quinary 20111141431
6 Senary 1553044031
8 Octal 114300363
10 Decimal 20021491
12 Duodecimal 6856617
16 Hexadecimal 13180f3
20 Vigesimal 652deb
36 Base36 bx4oj

Cryptographic Hash Functions

md5 e6c3bc869e11a1c3494b888036c49fd1
sha1 0804a8533a342eae6e00b7d6260e272a7b89ba1a
sha256 4bc722cdb6ccee875ecffc81cf3affef6cb1b336effbe3753b02953b67d106e7
sha512 cd2517a4f86436c44930ba33c0c4049b14fed001f03ed055ffcb46f09ad8fa0b2dc70b64dd935808599e81451779c99d88a4eb0e82af2283783712ade6e248fe
ripemd-160 c907a5b325f3de53abc9e1c52fa294db048c1e3a

20021491 as geometric shapes

Circle

Radius = n
Diameter 40042982
Circumference 125798738.07903
Area 1.2593391511303E+15

Sphere

Radius = n
Volume 3.3618463307071E+22
Surface area 5.0373566045212E+15
Circumference 125798738.07903

Square

Length = n
Perimeter 80085964
Area 400860101863081
Diagonal 28314664.111131

Cube

Length = n
Surface area 2405160611178486
Volume 8.0258169217108E+21
Space diagonal 34678239.655283

Equilateral Triangle

Length = n
Perimeter 60064473
Area 1.7357751578852E+14
Altitude 17339119.827642

Triangular Pyramid

Length = n
Surface area 1.7357751578852E+14
Volume 9.458515949839E+20
Height 9438221.370377