19910 (number)

19910 is an even 5-digits composite number following 19909 and preceding 19911. In scientific notation, it is written as 1.9910 × 10^4. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 7200 positive integers (up to 19910) that are relatively prime to 19910.

Interesting facts

Basic properties

Name

Name nineteen thousand nine hundred ten

Notation

Scientific notation 1.9910 × 10^4
Engineering notation 1.9910 × 10^3

Prime Factorization of 19910

Prime Factorization 2 × 5 × 11 × 181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19910
Product of the distinct prime numbers

The prime factorization of 19910 is 2 × 5 × 11 × 181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 55, 72, 850, 893, 2309, 1596, 65207, 54610, 171553, 428588, 4149141, 4993690, 38562434, 59197285, 25644241, 683491244, 651948134, 4683329797

Basic calculations (n = 19910)

Multiplication

n×y
n×2 39820
n×3 59730
n×4 79640
n×5 99550

Division

n÷y
n÷2 9955
n÷3 6636.6666666667
n÷3 4977.5
n÷5 3982

Exponentiation

ny
n2 396408100
n3 7892485271000
n4 157139381745610000
n5 3.1286450905551E+21

Nth Root

y√n
2√n 141.10279940526
3√n 27.103398674158
4√n 11.878669934183
5√n 7.2412618465712

Divisors of 19910

1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 1810, 1991, 3982, 9955, 19910

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 -19909
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 19910 can be divided by 16 positive divisors. The sum of these divisors (counting 19910) is 1, the average is 0.0625.

Base conversion 19910

Base System Value
2 Binary 100110111000110
3 Ternary 1000022102
4 Quaternary 10313012
5 Quinary 1114120
6 Senary 232102
8 Octal 46706
10 Decimal 19910
12 Duodecimal b632
16 Hexadecimal 4dc6
20 Vigesimal 29fa
36 Base36 fd2

Cryptographic Hash Functions

md5 0c6de67934d4131901b964842dddfbf6
sha1 bbd5574548653ea222119defd9b2527216ad6317
sha256 c86fbe648688199761350c69365fb5acebeb87c4a3435e8e5623443a8a786202
sha512 14d781914c6f09efc9a67c4383532ec6906605d9bdc58ac15d5993aa247e1d9115221b517b09f5b6397afa9c92fea3bca20820d0bb9a20b060eb9af547e6e23b
ripemd-160 3ec70e979f83c35ca38696a7de55b6d4af9853c0

19910 as geometric shapes

Circle

Radius = n
Diameter 39820
Circumference 125098.21946595
Area 1245352774.7835

Sphere

Radius = n
Volume 33059964994586
Surface area 4981411099.134
Circumference 125098.21946595

Square

Length = n
Perimeter 79640
Area 396408100
Diagonal 28156.992026848

Cube

Length = n
Surface area 2378448600
Volume 7892485271000
Space diagonal 34485.131578696

Equilateral Triangle

Length = n
Perimeter 59730
Area 171649742.43296
Altitude 17242.565789348

Triangular Pyramid

Length = n
Surface area 171649742.43296
Volume 930138309256.51
Height 9385.6640089494