20021687 (number)

20021687 is an odd 8-digits composite number following 20021686 and preceding 20021688. In scientific notation, it is written as 2.0021687 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 15609888 positive integers (up to 20021687) that are relatively prime to 20021687.

Interesting facts

Basic properties

Name

Name twenty million twenty-one thousand six hundred eighty-seven

Notation

Scientific notation 2.0021687 × 10^7
Engineering notation 2.0021687 × 10^6

Prime Factorization of 20021687

Prime Factorization 203 × 19 × 29 × 179

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20021687
Product of the distinct prime numbers

The prime factorization of 20021687 is 203 × 19 × 29 × 179. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20021687)

Multiplication

n×y
n×2 40043374
n×3 60065061
n×4 80086748
n×5 100108435

Division

n÷y
n÷2 10010843.5
n÷3 6673895.6666667
n÷3 5005421.75
n÷5 4004337.4

Exponentiation

ny
n2 400867950325969
n3 8.0260526297581E+21
n4 1.6069511359854E+29
n5 3.2173872668995E+36

Nth Root

y√n
2√n 4474.5599783666
3√n 271.53983884278
4√n 66.892151844343
5√n 28.860252972324

Divisors of 20021687

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20021686
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20021687 can be divided by 16 positive divisors. The sum of these divisors (counting 20021687) is 1, the average is 0.0625.

Base conversion 20021687

Base System Value
2 Binary 1001100011000000110110111
3 Ternary 1101200012120222
4 Quaternary 1030120012313
5 Quinary 20111143222
6 Senary 1553044555
8 Octal 114300667
10 Decimal 20021687
12 Duodecimal 685675b
16 Hexadecimal 13181b7
20 Vigesimal 652e47
36 Base36 bx4tz

Cryptographic Hash Functions

md5 a6a5ca6c9632f867951c2a9fb0caacdc
sha1 84840d52260358d96634149afd84645c4244d56e
sha256 504fdf168fcca5a42b5d0e37bbbfcfb24b43fc99f92674e4aeaebf00b8582501
sha512 29ac653f7704015ba1681a73cf9d0512efda25aa75a0567268ec63f45c624b5c3377f07f8e5250e37a9b7cd082dadcaa8c8947be8842906f2b51eceed35b0e83
ripemd-160 41ab61ecc9e1195000979c1f5fac038557bc7ece

20021687 as geometric shapes

Circle

Radius = n
Diameter 40043374
Circumference 125799969.58335
Area 1.2593638078037E+15

Sphere

Radius = n
Volume 3.3619450638631E+22
Surface area 5.0374552312146E+15
Circumference 125799969.58335

Square

Length = n
Perimeter 80086748
Area 400867950325969
Diagonal 28314941.296989

Cube

Length = n
Surface area 2405207701955814
Volume 8.0260526297581E+21
Space diagonal 34678579.137241

Equilateral Triangle

Length = n
Perimeter 60065061
Area 1.7358091427264E+14
Altitude 17339289.568621

Triangular Pyramid

Length = n
Surface area 1.7358091427264E+14
Volume 9.4587937344368E+20
Height 9438313.765663