20001587 (number)

20001587 is an odd 8-digits composite number following 20001586 and preceding 20001588. In scientific notation, it is written as 2.0001587 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 19979520 positive integers (up to 20001587) that are relatively prime to 20001587.

Interesting facts

Basic properties

Name

Name twenty million one thousand five hundred eighty-seven

Notation

Scientific notation 2.0001587 × 10^7
Engineering notation 2.0001587 × 10^6

Prime Factorization of 20001587

Prime Factorization 947 × 21121

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20001587
Product of the distinct prime numbers

The prime factorization of 20001587 is 947 × 21121. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20001587)

Multiplication

n×y
n×2 40003174
n×3 60004761
n×4 80006348
n×5 100007935

Division

n÷y
n÷2 10000793.5
n÷3 6667195.6666667
n÷3 5000396.75
n÷5 4000317.4

Exponentiation

ny
n2 400063482518569
n3 8.0019045511181E+21
n4 1.6005079004489E+29
n5 3.2012698015015E+36

Nth Root

y√n
2√n 4472.3133834739
3√n 271.44894110419
4√n 66.875357071749
5√n 28.854456016561

Divisors of 20001587

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 -20001586
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 20001587 can be divided by 4 positive divisors. The sum of these divisors (counting 20001587) is 1, the average is 0.25.

Base conversion 20001587

Base System Value
2 Binary 1001100010011001100110011
3 Ternary 1101122012000112
4 Quaternary 1030103030303
5 Quinary 20110022322
6 Senary 1552411535
8 Octal 114231463
10 Decimal 20001587
12 Duodecimal 6846bab
16 Hexadecimal 1313333
20 Vigesimal 6503j7
36 Base36 bwpbn

Cryptographic Hash Functions

md5 15e5990dbb7baaf2fa85009fdbb3979c
sha1 c1e7a2c893ea49b23e9c149033afb400ad83aed6
sha256 148c5728bfbe2a340b2b39010cbccacc0904887f5acedd361af7fe9ad7c6a747
sha512 0904681e847fbecf3a0e65cf1628e69d29d79574d6f965ac8d678a4aaea860690aeaa59606691b8cba481795d06dd54701bca83987b756c6a08bca717f6538ca
ripemd-160 27cc980dc5e3b4a07be5cee9d5b2938b2ab320b5

20001587 as geometric shapes

Circle

Radius = n
Diameter 40003174
Circumference 125673677.55867
Area 1.2568364976499E+15

Sphere

Radius = n
Volume 3.3518299403359E+22
Surface area 5.0273459905995E+15
Circumference 125673677.55867

Square

Length = n
Perimeter 80006348
Area 400063482518569
Diagonal 28286515.604385

Cube

Length = n
Surface area 2400380895111414
Volume 8.0019045511181E+21
Space diagonal 34643764.916009

Equilateral Triangle

Length = n
Perimeter 60004761
Area 1.7323256949378E+14
Altitude 17321882.458005

Triangular Pyramid

Length = n
Surface area 1.7323256949378E+14
Volume 9.4303349508386E+20
Height 9428838.5347951