20087987 (number)

20087987 is an odd 8-digits composite number following 20087986 and preceding 20087988. In scientific notation, it is written as 2.0087987 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 19892856 positive integers (up to 20087987) that are relatively prime to 20087987.

Interesting facts

Basic properties

Name

Name twenty million eighty-seven thousand nine hundred eighty-seven

Notation

Scientific notation 2.0087987 × 10^7
Engineering notation 2.0087987 × 10^6

Prime Factorization of 20087987

Prime Factorization 103 × 195029

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20087987
Product of the distinct prime numbers

The prime factorization of 20087987 is 103 × 195029. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20087987)

Multiplication

n×y
n×2 40175974
n×3 60263961
n×4 80351948
n×5 100439935

Division

n÷y
n÷2 10043993.5
n÷3 6695995.6666667
n÷3 5021996.75
n÷5 4017597.4

Exponentiation

ny
n2 403527221712169
n3 8.1060495839002E+21
n4 1.6283421866274E+29
n5 3.2710116676523E+36

Nth Root

y√n
2√n 4481.9624050186
3√n 271.8392351245
4√n 66.947460034109
5√n 28.879341327164

Divisors of 20087987

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 -20087986
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 20087987 can be divided by 4 positive divisors. The sum of these divisors (counting 20087987) is 1, the average is 0.25.

Base conversion 20087987

Base System Value
2 Binary 1001100101000010010110011
3 Ternary 1101210120112112
4 Quaternary 1030220102303
5 Quinary 20120303422
6 Senary 1554315535
8 Octal 114502263
10 Decimal 20087987
12 Duodecimal 6888bab
16 Hexadecimal 13284b3
20 Vigesimal 65ajj7
36 Base36 byjzn

Cryptographic Hash Functions

md5 1b9bf1ce8872eec927c6b331b62d370f
sha1 fb8065641b1cfc29dec2cab02dbf24e99b62246d
sha256 371459104c03267fd26bd720ff8e16753ac23ed9855cc403a1d134ace0a72910
sha512 aeebc58928d10e10369d1840b2109d9621a79b8ca7aaea3132463f168af47f8aaaca5122b3033924056225a2370934d36715543a743baeba8688ec5803816969
ripemd-160 20c827add68db2770cfb9aec4d120d96f9eacec1

20087987 as geometric shapes

Circle

Radius = n
Diameter 40175974
Circumference 126216544.76921
Area 1.2677181552544E+15

Sphere

Radius = n
Volume 3.3954541096554E+22
Surface area 5.0708726210178E+15
Circumference 126216544.76921

Square

Length = n
Perimeter 80351948
Area 403527221712169
Diagonal 28408703.656174

Cube

Length = n
Surface area 2421163330273014
Volume 8.1060495839002E+21
Space diagonal 34793414.105783

Equilateral Triangle

Length = n
Perimeter 60263961
Area 1.7473241256065E+14
Altitude 17396707.052892

Triangular Pyramid

Length = n
Surface area 1.7473241256065E+14
Volume 9.553071049017E+20
Height 9469567.8853915