19985920 (number)

19985920 is an even 8-digits composite number following 19985919 and preceding 19985921. In scientific notation, it is written as 1.9985920 × 10^7. The sum of its digits is 43. It has a total of 12 prime factors and 80 positive divisors. There are 7741440 positive integers (up to 19985920) that are relatively prime to 19985920.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-five thousand nine hundred twenty

Notation

Scientific notation 1.9985920 × 10^7
Engineering notation 1.9985920 × 10^6

Prime Factorization of 19985920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 37 × 211

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 12
Total number of prime factors
rad Radical 78070
Product of the distinct prime numbers

The prime factorization of 19985920 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 37 × 211. Since it has a total of 12 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19985920)

Multiplication

n×y
n×2 39971840
n×3 59957760
n×4 79943680
n×5 99929600

Division

n÷y
n÷2 9992960
n÷3 6661973.3333333
n÷3 4996480
n÷5 3997184

Exponentiation

ny
n2 399436998246400
n3 7.9831158919927E+21
n4 1.5954991556809E+29
n5 3.1887518485507E+36

Nth Root

y√n
2√n 4470.5614859881
3√n 271.37804837236
4√n 66.862257559763
5√n 28.849934330686

Divisors of 19985920

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19985919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19985920 can be divided by 80 positive divisors. The sum of these divisors (counting 19985920) is 1, the average is 0.0125.

Base conversion 19985920

Base System Value
2 Binary 1001100001111011000000000
3 Ternary 1101121101112021
4 Quaternary 1030033120000
5 Quinary 20104022140
6 Senary 1552211224
8 Octal 114173000
10 Decimal 19985920
12 Duodecimal 6839b14
16 Hexadecimal 130f600
20 Vigesimal 64i4g0
36 Base36 bwd8g

Cryptographic Hash Functions

md5 0e8d1ef41e0c0a970f44344f48d692ef
sha1 9a58faeceef171447157202c40faf27ebfcf277a
sha256 5d6f6c27d1fefb56175f339c4de8956b4553d4e84d6edf6e2aff321f267d0d64
sha512 b5a58a98bef43e02136ae5056288123707eb64b51044b4324df5c197ee53de9c00f961fc251e035953daaebd619aafdb442066fa0a25baae162e8c807eae25d6
ripemd-160 f0fb0a4d2c5147cdd4c1b2a647dc8a3fe88c3247

19985920 as geometric shapes

Circle

Radius = n
Diameter 39971840
Circumference 125575238.89447
Area 1.2548683392628E+15

Sphere

Radius = n
Volume 3.3439597652054E+22
Surface area 5.0194733570514E+15
Circumference 125575238.89447

Square

Length = n
Perimeter 79943680
Area 399436998246400
Diagonal 28264359.120504

Cube

Length = n
Surface area 2396621989478400
Volume 7.9831158919927E+21
Space diagonal 34616628.876007

Equilateral Triangle

Length = n
Perimeter 59957760
Area 1.7296129384639E+14
Altitude 17308314.438003

Triangular Pyramid

Length = n
Surface area 1.7296129384639E+14
Volume 9.4081923037102E+20
Height 9421453.0401679