20489984 (number)

20489984 is an even 8-digits composite number following 20489983 and preceding 20489985. In scientific notation, it is written as 2.0489984 × 10^7. The sum of its digits is 44. It has a total of 9 prime factors and 18 positive divisors. There are 10244864 positive integers (up to 20489984) that are relatively prime to 20489984.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0489984 × 10^7
Engineering notation 2.0489984 × 10^6

Prime Factorization of 20489984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 80039

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 160078
Product of the distinct prime numbers

The prime factorization of 20489984 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 80039. Since it has a total of 9 prime factors.

Most popular turbo-numbers

3, 10, 80, 55, 659, 586, 7883, 4555, 67277, 24724, 939825, 895886, 6495360, 9231167, 51840235, 68721150, 800677610, 624820757, 9000139362, 3549195192

Basic calculations (n = 20489984)

Multiplication

n×y
n×2 40979968
n×3 61469952
n×4 81959936
n×5 102449920

Division

n÷y
n÷2 10244992
n÷3 6829994.6666667
n÷3 5122496
n÷5 4097996.8

Exponentiation

ny
n2 419839444320256
n3 8.6025034966909E+21
n4 1.7626515900714E+29
n5 3.6116702878138E+36

Nth Root

y√n
2√n 4526.5863517666
3√n 273.64060362019
4√n 67.27991046194
5√n 28.994012636762

Divisors of 20489984

1, 2, 4, 8, 16, 32, 64, 128, 256, 80039, 160078, 320156, 640312, 1280624, 2561248, 5122496, 10244992, 20489984

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20489983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20489984 can be divided by 18 positive divisors. The sum of these divisors (counting 20489984) is 1, the average is 0.055555555555556.

Base conversion 20489984

Base System Value
2 Binary 1001110001010011100000000
3 Ternary 1102112222222022
4 Quaternary 1032022130000
5 Quinary 20221134414
6 Senary 2011101012
8 Octal 116123400
10 Decimal 20489984
12 Duodecimal 6a41768
16 Hexadecimal 138a700
20 Vigesimal 6814j4
36 Base36 c7668

Cryptographic Hash Functions

md5 849bdce063494f2bae3e1b6accbbd01d
sha1 f297abb560bd98302b5cb45e714697c2f49aae03
sha256 1810b619b3073efe026af03594d0153840eab61241ff87a9cad7bd9ac90845eb
sha512 66d8660ad789a26cd4d73b57f54613b22d2b6f4bf3e4d248ee161698b687206fd4fc2e3f83dc0d1a01ab388b3377f42c14af250a74f0995ca2f81674992f92f8
ripemd-160 182445c323f1077a6b2539c7cbc8c7b49d524b11

20489984 as geometric shapes

Circle

Radius = n
Diameter 40979968
Circumference 128742366.41314
Area 1.3189645139637E+15

Sphere

Radius = n
Volume 3.603408238358E+22
Surface area 5.2758580558549E+15
Circumference 128742366.41314

Square

Length = n
Perimeter 81959936
Area 419839444320256
Diagonal 28977213.265608

Cube

Length = n
Surface area 2519036665921536
Volume 8.6025034966909E+21
Space diagonal 35489693.334273

Equilateral Triangle

Length = n
Perimeter 61469952
Area 1.8179581214604E+14
Altitude 17744846.667137

Triangular Pyramid

Length = n
Surface area 1.8179581214604E+14
Volume 1.0138147596152E+21
Height 9659071.0885359