19987684 (number)

19987684 is an even 8-digits composite number following 19987683 and preceding 19987685. In scientific notation, it is written as 1.9987684 × 10^7. The sum of its digits is 52. It has a total of 5 prime factors and 24 positive divisors. There are 9623040 positive integers (up to 19987684) that are relatively prime to 19987684.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-seven thousand six hundred eighty-four

Notation

Scientific notation 1.9987684 × 10^7
Engineering notation 1.9987684 × 10^6

Prime Factorization of 19987684

Prime Factorization 2 × 2 × 31 × 359 × 449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9993842
Product of the distinct prime numbers

The prime factorization of 19987684 is 2 × 2 × 31 × 359 × 449. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 9, 21, 8, 710, 171, 5804, 9480, 1585, 47011, 690211, 820355, 459057, 6762784, 82582511, 41149574, 641953846, 310780295, 9880732250, 8696115583

Basic calculations (n = 19987684)

Multiplication

n×y
n×2 39975368
n×3 59963052
n×4 79950736
n×5 99938420

Division

n÷y
n÷2 9993842
n÷3 6662561.3333333
n÷3 4996921
n÷5 3997536.8

Exponentiation

ny
n2 399507511683856
n3 7.9852298991632E+21
n4 1.5960625189183E+29
n5 3.1901593272382E+36

Nth Root

y√n
2√n 4470.7587722891
3√n 271.38603227293
4√n 66.86373286236
5√n 28.850443584075

Divisors of 19987684

1, 2, 4, 31, 62, 124, 359, 449, 718, 898, 1436, 1796, 11129, 13919, 22258, 27838, 44516, 55676, 161191, 322382, 644764, 4996921, 9993842, 19987684

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19987683
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19987684 can be divided by 24 positive divisors. The sum of these divisors (counting 19987684) is 1, the average is 0.041666666666667.

Base conversion 19987684

Base System Value
2 Binary 1001100001111110011100100
3 Ternary 1101121110221121
4 Quaternary 1030033303210
5 Quinary 20104101214
6 Senary 1552223324
8 Octal 114176344
10 Decimal 19987684
12 Duodecimal 683ab44
16 Hexadecimal 130fce4
20 Vigesimal 64i944
36 Base36 bwelg

Cryptographic Hash Functions

md5 0bd19419596a0defca1139238e0f7de8
sha1 3e7bda96420f31b4a90d63ad9369fad7fcd4a7d4
sha256 1da319a48704390d99d72c2e6123a897ca361a9cade9ec3b474dcdec2d5b2557
sha512 d248be5bbf356d52c72c1be84c920e720dd53dd05d444832d5ee8936cf71b6600fad62013370706de890d72522b16c2b088050a7f7291378581519cad998abc8
ripemd-160 37bcebb6adbabbe5850f280312462e9fa6f3af73

19987684 as geometric shapes

Circle

Radius = n
Diameter 39975368
Circumference 125586322.43335
Area 1.2550898637599E+15

Sphere

Radius = n
Volume 3.3448452784582E+22
Surface area 5.0203594550398E+15
Circumference 125586322.43335

Square

Length = n
Perimeter 79950736
Area 399507511683856
Diagonal 28266853.793228

Cube

Length = n
Surface area 2397045070103136
Volume 7.9852298991632E+21
Space diagonal 34619684.213632

Equilateral Triangle

Length = n
Perimeter 59963052
Area 1.7299182706046E+14
Altitude 17309842.106816

Triangular Pyramid

Length = n
Surface area 1.7299182706046E+14
Volume 9.4106836850531E+20
Height 9422284.5977426