19987308 (number)

19987308 is an even 8-digits composite number following 19987307 and preceding 19987309. In scientific notation, it is written as 1.9987308 × 10^7. The sum of its digits is 45. It has a total of 7 prime factors and 72 positive divisors. There are 5698560 positive integers (up to 19987308) that are relatively prime to 19987308.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-seven thousand three hundred eight

Notation

Scientific notation 1.9987308 × 10^7
Engineering notation 1.9987308 × 10^6

Prime Factorization of 19987308

Prime Factorization 2 × 2 × 3 × 3 × 17 × 11 × 2969

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3331218
Product of the distinct prime numbers

The prime factorization of 19987308 is 2 × 2 × 3 × 3 × 17 × 11 × 2969. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 6, 95, 4, 73, 752, 2588, 6223, 16865, 1967, 170150, 959497, 6811315, 5792848, 19683376, 54367103, 490404580, 29178497, 9275167627, 6267016011

Basic calculations (n = 19987308)

Multiplication

n×y
n×2 39974616
n×3 59961924
n×4 79949232
n×5 99936540

Division

n÷y
n÷2 9993654
n÷3 6662436
n÷3 4996827
n÷5 3997461.6

Exponentiation

ny
n2 399492481086864
n3 7.9847792631673E+21
n4 1.5959424244494E+29
n5 3.1898592787737E+36

Nth Root

y√n
2√n 4470.7167210639
3√n 271.38433052853
4√n 66.863418406957
5√n 28.850335038749

Divisors of 19987308

1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 132, 153, 187, 198, 204, 306, 374, 396, 561, 612, 748, 1122, 1683, 2244, 2969, 3366, 5938, 6732, 8907, 11876, 17814, 26721, 32659, 35628, 50473, 53442, 65318, 97977, 100946, 106884, 130636, 151419, 195954, 201892, 293931, 302838, 391908, 454257, 555203, 587862, 605676, 908514, 1110406, 1175724, 1665609, 1817028, 2220812, 3331218, 4996827, 6662436, 9993654, 19987308

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19987307
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19987308 can be divided by 72 positive divisors. The sum of these divisors (counting 19987308) is 1, the average is 0.013888888888889.

Base conversion 19987308

Base System Value
2 Binary 1001100001111101101101100
3 Ternary 1101121110102200
4 Quaternary 1030033231230
5 Quinary 20104043213
6 Senary 1552221500
8 Octal 114175554
10 Decimal 19987308
12 Duodecimal 683a890
16 Hexadecimal 130fb6c
20 Vigesimal 64i858
36 Base36 bweb0

Cryptographic Hash Functions

md5 a7e3b7b1fe65130bb0441d674911b4cf
sha1 514bf5534429a22fae053dd0f66908ca7ad4886d
sha256 be9ed125b7f353fea470c6b87f9acfb3bd8d90a979b8c7a4198b82d1f444a9e7
sha512 d1b23ba8528dc8205ca5ed1aa655e3228e5f202c6d8443cd5d62c6458067d3986b0e34c71a9bd3dd3491cddcbbc145f3dd179e65a5eba2d9fc41333825847aca
ripemd-160 6c2c80c4665ed1434bebda941726283b0175538b

19987308 as geometric shapes

Circle

Radius = n
Diameter 39974616
Circumference 125583959.95567
Area 1.2550426437469E+15

Sphere

Radius = n
Volume 3.3446565164937E+22
Surface area 5.0201705749874E+15
Circumference 125583959.95567

Square

Length = n
Perimeter 79949232
Area 399492481086864
Diagonal 28266322.048928

Cube

Length = n
Surface area 2396954886521184
Volume 7.9847792631673E+21
Space diagonal 34619032.962528

Equilateral Triangle

Length = n
Perimeter 59961924
Area 1.7298531862105E+14
Altitude 17309516.481264

Triangular Pyramid

Length = n
Surface area 1.7298531862105E+14
Volume 9.4101526054389E+20
Height 9422107.3496428