20389990 (number)

20389990 is an even 8-digits composite number following 20389989 and preceding 20389991. In scientific notation, it is written as 2.0389990 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 8143744 positive integers (up to 20389990) that are relatively prime to 20389990.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-nine thousand nine hundred ninety

Notation

Scientific notation 2.0389990 × 10^7
Engineering notation 2.0389990 × 10^6

Prime Factorization of 20389990

Prime Factorization 2 × 5 × 977 × 2087

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20389990
Product of the distinct prime numbers

The prime factorization of 20389990 is 2 × 5 × 977 × 2087. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 82, 39, 415, 322, 1810, 4815, 90649, 51562, 755408, 966187, 5919671, 2603758, 63588172, 63090126, 296697727, 719839530, 8593698495, 7093229775

Basic calculations (n = 20389990)

Multiplication

n×y
n×2 40779980
n×3 61169970
n×4 81559960
n×5 101949950

Division

n÷y
n÷2 10194995
n÷3 6796663.3333333
n÷3 5097497.5
n÷5 4077998

Exponentiation

ny
n2 415751692200100
n3 8.4771728464431E+21
n4 1.7284946956725E+29
n5 3.5243989559815E+36

Nth Root

y√n
2√n 4515.5276546601
3√n 273.19474268305
4√n 67.197675961748
5√n 28.965658262427

Divisors of 20389990

1, 2, 5, 10, 977, 1954, 2087, 4174, 4885, 9770, 10435, 20870, 2038999, 4077998, 10194995, 20389990

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 -20389989
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 20389990 can be divided by 16 positive divisors. The sum of these divisors (counting 20389990) is 1, the average is 0.0625.

Base conversion 20389990

Base System Value
2 Binary 1001101110010000001100110
3 Ternary 1102100220210211
4 Quaternary 1031302001212
5 Quinary 20204434430
6 Senary 2005010034
8 Octal 115620146
10 Decimal 20389990
12 Duodecimal 69b391a
16 Hexadecimal 1372066
20 Vigesimal 678eja
36 Base36 c510m

Cryptographic Hash Functions

md5 e0d942983906b6cf06c1fceb99a8aaf3
sha1 0de7dac009339138a747e10149320a11badb88d5
sha256 45571487495ed61640871ddee91deb5d555d3bc55b940f3265308eeb799b7686
sha512 d33ab83c5f9f7d4d2959207edc689a1494741399b2045065890b2a043b47058c48e2675b1bc48f111f1d4d8f9c976f0c3a44a322ee8440bc9f435d7ff32b4a5a
ripemd-160 27e0946f570def79b6967dedfa69e1187972b6c5

20389990 as geometric shapes

Circle

Radius = n
Diameter 40779980
Circumference 128114085.58154
Area 1.3061224619334E+15

Sphere

Radius = n
Volume 3.5509098583462E+22
Surface area 5.2244898477334E+15
Circumference 128114085.58154

Square

Length = n
Perimeter 81559960
Area 415751692200100
Diagonal 28835800.394652

Cube

Length = n
Surface area 2494510153200600
Volume 8.4771728464431E+21
Space diagonal 35316498.645821

Equilateral Triangle

Length = n
Perimeter 61169970
Area 1.8002576355583E+14
Altitude 17658249.322911

Triangular Pyramid

Length = n
Surface area 1.8002576355583E+14
Volume 9.9904440083507E+20
Height 9611933.4648839