20971540 (number)

20971540 is an even 8-digits composite number following 20971539 and preceding 20971541. In scientific notation, it is written as 2.0971540 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 7895040 positive integers (up to 20971540) that are relatively prime to 20971540.

Interesting facts

Basic properties

Name

Name twenty million nine hundred seventy-one thousand five hundred forty

Notation

Scientific notation 2.0971540 × 10^7
Engineering notation 2.0971540 × 10^6

Prime Factorization of 20971540

Prime Factorization 2 × 2 × 5 × 17 × 61681

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10485770
Product of the distinct prime numbers

The prime factorization of 20971540 is 2 × 2 × 5 × 17 × 61681. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20971540)

Multiplication

n×y
n×2 41943080
n×3 62914620
n×4 83886160
n×5 104857700

Division

n÷y
n÷2 10485770
n÷3 6990513.3333333
n÷3 5242885
n÷5 4194308

Exponentiation

ny
n2 439805489971600
n3 9.223398425159E+21
n4 1.9342886900916E+29
n5 4.0565012635803E+36

Nth Root

y√n
2√n 4579.4694015792
3√n 275.76772798823
4√n 67.671776994395
5√n 29.129032804336

Divisors of 20971540

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20971539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20971540 can be divided by 24 positive divisors. The sum of these divisors (counting 20971540) is 1, the average is 0.041666666666667.

Base conversion 20971540

Base System Value
2 Binary 1010000000000000000010100
3 Ternary 1110110110112201
4 Quaternary 1100000000110
5 Quinary 20332042130
6 Senary 2025254244
8 Octal 120000024
10 Decimal 20971540
12 Duodecimal 7034384
16 Hexadecimal 1400014
20 Vigesimal 6b18h0
36 Base36 chhqs

Cryptographic Hash Functions

md5 c4ee4c9840b69df34563fa7ea40896b0
sha1 8eeeb640cc97435ba9d7d3add3976d8acbfc0d7b
sha256 9c72fd55df437754d4b60d3339df3f65363828993009d7e37af21467dd61c447
sha512 057338eb2030a57a93f7f753cc2ec5752590f556b601e019ba2f722f1a456f3afd0e7ffbc686c320be537944c927db52bb6514d421e8ade55d9693c2bd1c9317
ripemd-160 f832780c527cde32f7db9eb265c64b97d273b6f3

20971540 as geometric shapes

Circle

Radius = n
Diameter 41943080
Circumference 131768071.99693
Area 1.3816896963032E+15

Sphere

Radius = n
Volume 3.8634880978148E+22
Surface area 5.526758785213E+15
Circumference 131768071.99693

Square

Length = n
Perimeter 83886160
Area 439805489971600
Diagonal 29658236.29185

Cube

Length = n
Surface area 2638832939829600
Volume 9.223398425159E+21
Space diagonal 36323772.792963

Equilateral Triangle

Length = n
Perimeter 62914620
Area 1.9044136351963E+14
Altitude 18161886.396482

Triangular Pyramid

Length = n
Surface area 1.9044136351963E+14
Volume 1.0869879286692E+21
Height 9886078.76395