20540945 (number)

20540945 is an odd 8-digits composite number following 20540944 and preceding 20540946. In scientific notation, it is written as 2.0540945 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 16122496 positive integers (up to 20540945) that are relatively prime to 20540945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0540945 × 10^7
Engineering notation 2.0540945 × 10^6

Prime Factorization of 20540945

Prime Factorization 5 × 53 × 77513

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20540945
Product of the distinct prime numbers

The prime factorization of 20540945 is 5 × 53 × 77513. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20540945)

Multiplication

n×y
n×2 41081890
n×3 61622835
n×4 82163780
n×5 102704725

Division

n÷y
n÷2 10270472.5
n÷3 6846981.6666667
n÷3 5135236.25
n÷5 4108189

Exponentiation

ny
n2 421930421493025
n3 8.666849581715E+21
n4 1.7802528058128E+29
n5 3.6568074970297E+36

Nth Root

y√n
2√n 4532.2119323792
3√n 273.86727459267
4√n 67.321704764356
5√n 29.008420614023

Divisors of 20540945

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 -20540944
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 20540945 can be divided by 8 positive divisors. The sum of these divisors (counting 20540945) is 1, the average is 0.125.

Base conversion 20540945

Base System Value
2 Binary 1001110010110111000010001
3 Ternary 1102122120212202
4 Quaternary 1032112320101
5 Quinary 20224302240
6 Senary 2012132545
8 Octal 116267021
10 Decimal 20540945
12 Duodecimal 6a67155
16 Hexadecimal 1396e11
20 Vigesimal 687c75
36 Base36 c89ht

Cryptographic Hash Functions

md5 751985426744a6a7f3c141c726483e1a
sha1 050a96dfe9b1cc15af8c68e3c96be5cbbb548ce4
sha256 e53fe94a106f026bfe9861ac843939e770e79ab47a68162a4576516950517f55
sha512 9a73caec2ec1476d210945de9f045f6e7df24780cd6d3d396f47eec0256de141afc3cb2708b66e63f19a566b15462aa58809da7976fa497131c785613b371a3c
ripemd-160 1719c0b78231ea9c3ede92d577387f6ff75ae51d

20540945 as geometric shapes

Circle

Radius = n
Diameter 41081890
Circumference 129062563.81958
Area 1.3255335124885E+15

Sphere

Radius = n
Volume 3.6303614634245E+22
Surface area 5.3021340499541E+15
Circumference 129062563.81958

Square

Length = n
Perimeter 82163780
Area 421930421493025
Diagonal 29049283.00296

Cube

Length = n
Surface area 2531582528958150
Volume 8.666849581715E+21
Space diagonal 35577960.375478

Equilateral Triangle

Length = n
Perimeter 61622835
Area 1.8270123182122E+14
Altitude 17788980.187739

Triangular Pyramid

Length = n
Surface area 1.8270123182122E+14
Volume 1.0213980184591E+21
Height 9683094.3343199