20001887 (number)

20001887 is an odd 8-digits composite number following 20001886 and preceding 20001888. In scientific notation, it is written as 2.0001887 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 19982400 positive integers (up to 20001887) that are relatively prime to 20001887.

Interesting facts

Basic properties

Name

Name twenty million one thousand eight hundred eighty-seven

Notation

Scientific notation 2.0001887 × 10^7
Engineering notation 2.0001887 × 10^6

Prime Factorization of 20001887

Prime Factorization 1087 × 18401

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20001887
Product of the distinct prime numbers

The prime factorization of 20001887 is 1087 × 18401. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20001887)

Multiplication

n×y
n×2 40003774
n×3 60005661
n×4 80007548
n×5 100009435

Division

n÷y
n÷2 10000943.5
n÷3 6667295.6666667
n÷3 5000471.75
n÷5 4000377.4

Exponentiation

ny
n2 400075483560769
n3 8.0022646136529E+21
n4 1.6006039254638E+29
n5 3.2015098848884E+36

Nth Root

y√n
2√n 4472.3469230372
3√n 271.45029823443
4√n 66.87560783303
5√n 28.854542572541

Divisors of 20001887

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 -20001886
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 20001887 can be divided by 4 positive divisors. The sum of these divisors (counting 20001887) is 1, the average is 0.25.

Base conversion 20001887

Base System Value
2 Binary 1001100010011010001011111
3 Ternary 1101122012102122
4 Quaternary 1030103101133
5 Quinary 20110030022
6 Senary 1552413155
8 Octal 114232137
10 Decimal 20001887
12 Duodecimal 68471bb
16 Hexadecimal 131345f
20 Vigesimal 6504e7
36 Base36 bwpjz

Cryptographic Hash Functions

md5 6cb389e69df11d102a64164ac07ea779
sha1 7dd8836690822c7b6814827cd5ba1175fa7f6319
sha256 5d47369f072f408293e2c4fb61c40b9234cfdeccba17e9708d67f362a4f3285d
sha512 fdc431fc68239f426db9bf6b2eb0019e9a9b4a0157db48cd44c185d7c291af2936e7f3edbd387a4df11aeab1e8cd9554c73250c5fff4eb37cd40757a4add3d3f
ripemd-160 47d77f7d5613fdfa7347f307a0bf6e5c6ab38632

20001887 as geometric shapes

Circle

Radius = n
Diameter 40003774
Circumference 125675562.51427
Area 1.2568742000359E+15

Sphere

Radius = n
Volume 3.3519807629778E+22
Surface area 5.0274968001436E+15
Circumference 125675562.51427

Square

Length = n
Perimeter 80007548
Area 400075483560769
Diagonal 28286939.868454

Cube

Length = n
Surface area 2400452901364614
Volume 8.0022646136529E+21
Space diagonal 34644284.531251

Equilateral Triangle

Length = n
Perimeter 60005661
Area 1.7323776609748E+14
Altitude 17322142.265626

Triangular Pyramid

Length = n
Surface area 1.7323776609748E+14
Volume 9.4307592886051E+20
Height 9428979.9561514