20105640 (number)

20105640 is an even 8-digits composite number following 20105639 and preceding 20105641. In scientific notation, it is written as 2.0105640 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 16 positive divisors. There are 5361408 positive integers (up to 20105640) that are relatively prime to 20105640.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand six hundred forty

Notation

Scientific notation 2.0105640 × 10^7
Engineering notation 2.0105640 × 10^6

Prime Factorization of 20105640

Prime Factorization 2 × 2 × 2 × 45 × 55849

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5026410
Product of the distinct prime numbers

The prime factorization of 20105640 is 2 × 2 × 2 × 45 × 55849. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105640)

Multiplication

n×y
n×2 40211280
n×3 60316920
n×4 80422560
n×5 100528200

Division

n÷y
n÷2 10052820
n÷3 6701880
n÷3 5026410
n÷5 4021128

Exponentiation

ny
n2 404236759809600
n3 8.1274387674983E+21
n4 1.6340735798136E+29
n5 3.2854095129244E+36

Nth Root

y√n
2√n 4483.9313108031
3√n 271.91884112662
4√n 66.962163277504
5√n 28.884415284079

Divisors of 20105640

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20105639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20105640 can be divided by 16 positive divisors. The sum of these divisors (counting 20105640) is 1, the average is 0.0625.

Base conversion 20105640

Base System Value
2 Binary 1001100101100100110101000
3 Ternary 1101211110202100
4 Quaternary 1030230212220
5 Quinary 20121340030
6 Senary 1554533400
8 Octal 114544650
10 Decimal 20105640
12 Duodecimal 6897260
16 Hexadecimal 132c9a8
20 Vigesimal 65d420
36 Base36 byxm0

Cryptographic Hash Functions

md5 af7ea8080a99048c4559d0c2e53aee08
sha1 cd2091602cb8d104338cd20490fabd6cf2efcccd
sha256 ecd1e57a3492eedc9496100fc415bf2c64342918d1343563922666c935730829
sha512 b924ecc359587352df623df0274453f2a51ea89bfe172964b2ab88369f7130483f0b8ba49c94a0e2430e1c38ad7fc9968f69aaa336f07487e5d4793c5ac8ccee
ripemd-160 9d8f5f7d5fb593fcfe1f3c7665cc03a7a7057cd8

20105640 as geometric shapes

Circle

Radius = n
Diameter 40211280
Circumference 126327461.83944
Area 1.2699472349288E+15

Sphere

Radius = n
Volume 3.4044135899298E+22
Surface area 5.0797889397151E+15
Circumference 126327461.83944

Square

Length = n
Perimeter 80422560
Area 404236759809600
Diagonal 28433668.768191

Cube

Length = n
Surface area 2425420558857600
Volume 8.1274387674983E+21
Space diagonal 34823989.998689

Equilateral Triangle

Length = n
Perimeter 60316920
Area 1.7503965156931E+14
Altitude 17411994.999345

Triangular Pyramid

Length = n
Surface area 1.7503965156931E+14
Volume 9.5782784436275E+20
Height 9477889.589397