20545820 (number)

20545820 is an even 8-digits composite number following 20545819 and preceding 20545821. In scientific notation, it is written as 2.0545820 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 8118656 positive integers (up to 20545820) that are relatively prime to 20545820.

Interesting facts

Basic properties

Name

Name twenty million five hundred forty-five thousand eight hundred twenty

Notation

Scientific notation 2.0545820 × 10^7
Engineering notation 2.0545820 × 10^6

Prime Factorization of 20545820

Prime Factorization 2 × 2 × 5 × 83 × 12377

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10272910
Product of the distinct prime numbers

The prime factorization of 20545820 is 2 × 2 × 5 × 83 × 12377. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 3, 99, 71, 335, 8, 1333, 1415, 45631, 33351, 352807, 128664, 4859064, 2519625, 93869176, 43933496, 97919875, 110471460, 3491513716, 5155736595

Basic calculations (n = 20545820)

Multiplication

n×y
n×2 41091640
n×3 61637460
n×4 82183280
n×5 102729100

Division

n÷y
n÷2 10272910
n÷3 6848606.6666667
n÷3 5136455
n÷5 4109164

Exponentiation

ny
n2 422130719472400
n3 8.6730217787504E+21
n4 1.7819434432229E+29
n5 3.6611489234637E+36

Nth Root

y√n
2√n 4532.7497173349
3√n 273.88893859689
4√n 67.325698788315
5√n 29.009797401969

Divisors of 20545820

1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 12377, 24754, 49508, 61885, 123770, 247540, 1027291, 2054582, 4109164, 5136455, 10272910, 20545820

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 -20545819
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 20545820 can be divided by 24 positive divisors. The sum of these divisors (counting 20545820) is 1, the average is 0.041666666666667.

Base conversion 20545820

Base System Value
2 Binary 1001110011000000100011100
3 Ternary 1102122211120022
4 Quaternary 1032120010130
5 Quinary 20224431240
6 Senary 2012211312
8 Octal 116300434
10 Decimal 20545820
12 Duodecimal 6a69b38
16 Hexadecimal 139811c
20 Vigesimal 6884b0
36 Base36 c8d98

Cryptographic Hash Functions

md5 2bb1fe486db55f9c475d38d98ec16ce2
sha1 0d209ae31c4ba7abc3a47f440834e7d102629b37
sha256 6aea0935eca9537d7e76c561453699cffde18d51e6e6e159cfcc30b3d6af1a10
sha512 09fe2abf37dd8e6c654a979782d851e22e11557a0e982872320e12a31c6f8fe713c072eca20263150477f0499ef637c413ddf10418285a4f3fdbab68a8ef75b5
ripemd-160 c070e94b243f66b3f31c1f15e68a62d6420f8cf9

20545820 as geometric shapes

Circle

Radius = n
Diameter 41091640
Circumference 129093194.34796
Area 1.3261627671491E+15

Sphere

Radius = n
Volume 3.6329468672729E+22
Surface area 5.3046510685963E+15
Circumference 129093194.34796

Square

Length = n
Perimeter 82183280
Area 422130719472400
Diagonal 29056177.294076

Cube

Length = n
Surface area 2532784316834400
Volume 8.6730217787504E+21
Space diagonal 35586404.123165

Equilateral Triangle

Length = n
Perimeter 61637460
Area 1.8278796339045E+14
Altitude 17793202.061582

Triangular Pyramid

Length = n
Surface area 1.8278796339045E+14
Volume 1.0221254188555E+21
Height 9685392.4313588