20495890 (number)

20495890 is an even 8-digits composite number following 20495889 and preceding 20495891. In scientific notation, it is written as 2.0495890 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 8198352 positive integers (up to 20495890) that are relatively prime to 20495890.

Interesting facts

Basic properties

Name

Name twenty million four hundred ninety-five thousand eight hundred ninety

Notation

Scientific notation 2.0495890 × 10^7
Engineering notation 2.0495890 × 10^6

Prime Factorization of 20495890

Prime Factorization 2 × 5 × 2049589

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20495890
Product of the distinct prime numbers

The prime factorization of 20495890 is 2 × 5 × 2049589. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20495890)

Multiplication

n×y
n×2 40991780
n×3 61487670
n×4 81983560
n×5 102479450

Division

n÷y
n÷2 10247945
n÷3 6831963.3333333
n÷3 5123972.5
n÷5 4099178

Exponentiation

ny
n2 420081506892100
n3 8.6099443562947E+21
n4 1.7646847243274E+29
n5 3.6168783994494E+36

Nth Root

y√n
2√n 4527.2386727452
3√n 273.66689233689
4√n 67.284758101261
5√n 28.995683881591

Divisors of 20495890

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 -20495889
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 20495890 can be divided by 8 positive divisors. The sum of these divisors (counting 20495890) is 1, the average is 0.125.

Base conversion 20495890

Base System Value
2 Binary 1001110001011111000010010
3 Ternary 1102120022002001
4 Quaternary 1032023320102
5 Quinary 20221332030
6 Senary 2011144214
8 Octal 116137022
10 Decimal 20495890
12 Duodecimal 6a4506a
16 Hexadecimal 138be12
20 Vigesimal 681jea
36 Base36 c7aqa

Cryptographic Hash Functions

md5 93f58bdc660509819c0cb1a74569e53e
sha1 784f9058fec76e0c58cf7e79059018f5637607e3
sha256 376d317eb2993837e702432a752f28ede9a1578debda506b03c1492484bc325e
sha512 16701a99a0e1ead8af56546130455e357257501053fa52890134fdc35da2050590e1612c2408b9924ff89aabcf3634f85037d303261785eafbf4032dc50757a9
ripemd-160 ab470b8ed52f39bee45c4eaa4fbc0a4e525bd6bf

20495890 as geometric shapes

Circle

Radius = n
Diameter 40991780
Circumference 128779474.90557
Area 1.3197249759612E+15

Sphere

Radius = n
Volume 3.6065250583403E+22
Surface area 5.2788999038446E+15
Circumference 128779474.90557

Square

Length = n
Perimeter 81983560
Area 420081506892100
Diagonal 28985565.610907

Cube

Length = n
Surface area 2520489041352600
Volume 8.6099443562947E+21
Space diagonal 35499922.826343

Equilateral Triangle

Length = n
Perimeter 61487670
Area 1.819006283143E+14
Altitude 17749961.413171

Triangular Pyramid

Length = n
Surface area 1.819006283143E+14
Volume 1.0146916733291E+21
Height 9661855.2036357