20087 (number)

20087 is an odd 5-digits composite number following 20086 and preceding 20088. In scientific notation, it is written as 2.0087 × 10^4. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 19656 positive integers (up to 20087) that are relatively prime to 20087.

Interesting facts

Basic properties

Name

Name twenty thousand eighty-seven

Notation

Scientific notation 2.0087 × 10^4
Engineering notation 2.0087 × 10^3

Prime Factorization of 20087

Prime Factorization 53 × 379

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20087
Product of the distinct prime numbers

The prime factorization of 20087 is 53 × 379. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20087)

Multiplication

n×y
n×2 40174
n×3 60261
n×4 80348
n×5 100435

Division

n÷y
n÷2 10043.5
n÷3 6695.6666666667
n÷3 5021.75
n÷5 4017.4

Exponentiation

ny
n2 403487569
n3 8104854798503
n4 162802218337529761
n5 3.270208159746E+21

Nth Root

y√n
2√n 141.728613907
3√n 27.183478288281
4√n 11.904982734427
5√n 7.2540912766857

Divisors of 20087

1, 53, 379, 20087

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20086
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20087 can be divided by 4 positive divisors. The sum of these divisors (counting 20087) is 1, the average is 0.25.

Base conversion 20087

Base System Value
2 Binary 100111001110111
3 Ternary 1000112222
4 Quaternary 10321313
5 Quinary 1120322
6 Senary 232555
8 Octal 47167
10 Decimal 20087
12 Duodecimal b75b
16 Hexadecimal 4e77
20 Vigesimal 2a47
36 Base36 fhz

Cryptographic Hash Functions

md5 ed47c903ad66558cbdb749e44bc89b1b
sha1 ecd1a5bc72fc5f8b7d31b6868191261e703a9d7b
sha256 66c0f8045a13eaa8730644b82abee6a0a149e674a508702d86d9c6c9a5e0aecc
sha512 66fb65ceb2d011159dae617a1efec61ae0abf461e494204eeb22f3ab04ced39640ef3c6041bed23eb159091162aae30c4a661dc165fe5985272c87b675972168
ripemd-160 2d698ad3fbd075606af07cbd2e947afb9ccbdc20

20087 as geometric shapes

Circle

Radius = n
Diameter 40174
Circumference 126210.34326532
Area 1267593582.5852

Sphere

Radius = n
Volume 33949536391185
Surface area 5070374330.3408
Circumference 126210.34326532

Square

Length = n
Perimeter 80348
Area 403487569
Diagonal 28407.307827388

Cube

Length = n
Surface area 2420925414
Volume 8104854798503
Space diagonal 34791.704571636

Equilateral Triangle

Length = n
Perimeter 60261
Area 174715242.43261
Altitude 17395.852285818

Triangular Pyramid

Length = n
Surface area 174715242.43261
Volume 955166298092.3
Height 9469.1026091295