20489780 (number)

20489780 is an even 8-digits composite number following 20489779 and preceding 20489781. In scientific notation, it is written as 2.0489780 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 7839392 positive integers (up to 20489780) that are relatively prime to 20489780.

Interesting facts

Basic properties

Name

Name twenty million four hundred eighty-nine thousand seven hundred eighty

Notation

Scientific notation 2.0489780 × 10^7
Engineering notation 2.0489780 × 10^6

Prime Factorization of 20489780

Prime Factorization 2 × 2 × 5 × 23 × 44543

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10244890
Product of the distinct prime numbers

The prime factorization of 20489780 is 2 × 2 × 5 × 23 × 44543. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 4, 87, 30, 442, 505, 7427, 7484, 28233, 89687, 497736, 550936, 5690812, 9222253, 24022740, 31926960, 350563710, 339218330, 7763384088, 4330013106

Basic calculations (n = 20489780)

Multiplication

n×y
n×2 40979560
n×3 61469340
n×4 81959120
n×5 102448900

Division

n÷y
n÷2 10244890
n÷3 6829926.6666667
n÷3 5122445
n÷5 4097956

Exponentiation

ny
n2 419831084448400
n3 8.6022465575091E+21
n4 1.7625813946912E+29
n5 3.6114905009316E+36

Nth Root

y√n
2√n 4526.5638181738
3√n 273.63969548758
4√n 67.279743000206
5√n 28.993954903168

Divisors of 20489780

1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44543, 89086, 178172, 222715, 445430, 890860, 1024489, 2048978, 4097956, 5122445, 10244890, 20489780

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 -20489779
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 20489780 can be divided by 24 positive divisors. The sum of these divisors (counting 20489780) is 1, the average is 0.041666666666667.

Base conversion 20489780

Base System Value
2 Binary 1001110001010011000110100
3 Ternary 1102112222200202
4 Quaternary 1032022120310
5 Quinary 20221133110
6 Senary 2011100032
8 Octal 116123064
10 Decimal 20489780
12 Duodecimal 6a41618
16 Hexadecimal 138a634
20 Vigesimal 681490
36 Base36 c760k

Cryptographic Hash Functions

md5 a26a195fde701d040126c6c6597ff929
sha1 880e43281669ace987c4058220cb2d354a8511d3
sha256 6dcf6112cad4d65cd3336fcd3a2c528ee1756506617b3efeacabfad469420af2
sha512 cf734d03d6f9e179e038926494fe243ca35d66ea488e20be9f6ac03166a460581e76299658dba90adf7340553d5556e0a921f6ce9728e73d94963236b403b5c6
ripemd-160 082cf968f67e445f38f30306ea5b5c14d10472d1

20489780 as geometric shapes

Circle

Radius = n
Diameter 40979560
Circumference 128741084.64334
Area 1.3189382506517E+15

Sphere

Radius = n
Volume 3.6033006119252E+22
Surface area 5.2757530026069E+15
Circumference 128741084.64334

Square

Length = n
Perimeter 81959120
Area 419831084448400
Diagonal 28976924.766041

Cube

Length = n
Surface area 2518986506690400
Volume 8.6022465575091E+21
Space diagonal 35489339.995909

Equilateral Triangle

Length = n
Perimeter 61469340
Area 1.8179219221534E+14
Altitude 17744669.997954

Triangular Pyramid

Length = n
Surface area 1.8179219221534E+14
Volume 1.0137844790422E+21
Height 9658974.9220137