20002987 (number)

20002987 is an odd 8-digits composite number following 20002986 and preceding 20002988. In scientific notation, it is written as 2.0002987 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 19994040 positive integers (up to 20002987) that are relatively prime to 20002987.

Interesting facts

Basic properties

Name

Name twenty million two thousand nine hundred eighty-seven

Notation

Scientific notation 2.0002987 × 10^7
Engineering notation 2.0002987 × 10^6

Prime Factorization of 20002987

Prime Factorization 4357 × 4591

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20002987
Product of the distinct prime numbers

The prime factorization of 20002987 is 4357 × 4591. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20002987)

Multiplication

n×y
n×2 40005974
n×3 60008961
n×4 80011948
n×5 100014935

Division

n÷y
n÷2 10001493.5
n÷3 6667662.3333333
n÷3 5000746.75
n÷5 4000597.4

Exponentiation

ny
n2 400119488922169
n3 8.0035849353568E+21
n4 1.6009560541534E+29
n5 3.2023903138801E+36

Nth Root

y√n
2√n 4472.4698992838
3√n 271.45527426251
4√n 66.876527266926
5√n 28.854859935585

Divisors of 20002987

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 -20002986
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 20002987 can be divided by 4 positive divisors. The sum of these divisors (counting 20002987) is 1, the average is 0.25.

Base conversion 20002987

Base System Value
2 Binary 1001100010011100010101011
3 Ternary 1101122020221101
4 Quaternary 1030103202223
5 Quinary 20110043422
6 Senary 1552422231
8 Octal 114234253
10 Decimal 20002987
12 Duodecimal 6847977
16 Hexadecimal 13138ab
20 Vigesimal 650797
36 Base36 bwqej

Cryptographic Hash Functions

md5 3fe9e70ba0cc46505095baeb97de0068
sha1 1cf5a5cdf6f2bb2c66bc3a60d1aefebaf1b0a787
sha256 be2f342404f0ea9bccebe5f6b6a02e36a70275a00255ce7ff459dfc9bc1b8335
sha512 6e5c74547d55969db1a136385231216f8fa38d4527f796a4eb3148aa4fd8966595a314cbb9b724a7c51ee68fd9e0590b262ec96a92e4d80ee35ce708f3924e87
ripemd-160 6080e7a02e451e79d942629afaa42fdf4c78eeb8

20002987 as geometric shapes

Circle

Radius = n
Diameter 40005974
Circumference 125682474.0181
Area 1.257012446956E+15

Sphere

Radius = n
Volume 3.3525338180398E+22
Surface area 5.028049787824E+15
Circumference 125682474.0181

Square

Length = n
Perimeter 80011948
Area 400119488922169
Diagonal 28288495.503373

Cube

Length = n
Surface area 2400716933533014
Volume 8.0035849353568E+21
Space diagonal 34646189.78714

Equilateral Triangle

Length = n
Perimeter 60008961
Area 1.7325682097792E+14
Altitude 17323094.89357

Triangular Pyramid

Length = n
Surface area 1.7325682097792E+14
Volume 9.4323153026555E+20
Height 9429498.5011242