20542521 (number)

20542521 is an odd 8-digits composite number following 20542520 and preceding 20542522. In scientific notation, it is written as 2.0542521 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13695012 positive integers (up to 20542521) that are relatively prime to 20542521.

Interesting facts

Basic properties

Name

Name twenty million five hundred forty-two thousand five hundred twenty-one

Notation

Scientific notation 2.0542521 × 10^7
Engineering notation 2.0542521 × 10^6

Prime Factorization of 20542521

Prime Factorization 3 × 6847507

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20542521
Product of the distinct prime numbers

The prime factorization of 20542521 is 3 × 6847507. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 2, 99, 59, 969, 142, 1656, 4490, 54988, 6532, 344706, 957045, 1940450, 1254297, 24440193, 31151905, 905785204, 313367031, 6554823896, 308140904

Basic calculations (n = 20542521)

Multiplication

n×y
n×2 41085042
n×3 61627563
n×4 82170084
n×5 102712605

Division

n÷y
n÷2 10271260.5
n÷3 6847507
n÷3 5135630.25
n÷5 4108504.2

Exponentiation

ny
n2 421995169035441
n3 8.6688446218091E+21
n4 1.7807992268925E+29
n5 3.6582105515223E+36

Nth Root

y√n
2√n 4532.3857955827
3√n 273.8742785513
4√n 67.322996038372
5√n 29.008865733445

Divisors of 20542521

1, 3, 6847507, 20542521

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 -20542520
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 20542521 can be divided by 4 positive divisors. The sum of these divisors (counting 20542521) is 1, the average is 0.25.

Base conversion 20542521

Base System Value
2 Binary 1001110010111010000111001
3 Ternary 1102122200001010
4 Quaternary 1032113100321
5 Quinary 20224330041
6 Senary 2012144133
8 Octal 116272071
10 Decimal 20542521
12 Duodecimal 6a68049
16 Hexadecimal 1397439
20 Vigesimal 687g61
36 Base36 c8apl

Cryptographic Hash Functions

md5 1c5828bb1a8d16caa37b8715d6733cec
sha1 a4f6aa48187d5505780e0f81726d5a36d7a54bf0
sha256 c850184c2749f0dfb0f21f1d4ff2adc33ca2c4164b5e7d1ffa32891bb9ea671e
sha512 0bea7e6de0b534ee1c2dbbb2609e3f99dc380c8aba90959b56f3f44702dffe2ddca6eb1495903d55d411bc7d27b79505c8451af760c67e437b78307eed40536d
ripemd-160 4e8dfce451493e8c09091a8f0c16a759ec704f46

20542521 as geometric shapes

Circle

Radius = n
Diameter 41085042
Circumference 129072466.11963
Area 1.3257369228921E+15

Sphere

Radius = n
Volume 3.6311971438649E+22
Surface area 5.3029476915685E+15
Circumference 129072466.11963

Square

Length = n
Perimeter 82170084
Area 421995169035441
Diagonal 29051511.803534

Cube

Length = n
Surface area 2531971014212646
Volume 8.6688446218091E+21
Space diagonal 35580690.087551

Equilateral Triangle

Length = n
Perimeter 61627563
Area 1.827292683295E+14
Altitude 17790345.043775

Triangular Pyramid

Length = n
Surface area 1.827292683295E+14
Volume 1.021633136189E+21
Height 9683837.2678447