20169987 (number)

20169987 is an odd 8-digits composite number following 20169986 and preceding 20169988. In scientific notation, it is written as 2.0169987 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 13446656 positive integers (up to 20169987) that are relatively prime to 20169987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0169987 × 10^7
Engineering notation 2.0169987 × 10^6

Prime Factorization of 20169987

Prime Factorization 3 × 6723329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20169987
Product of the distinct prime numbers

The prime factorization of 20169987 is 3 × 6723329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20169987)

Multiplication

n×y
n×2 40339974
n×3 60509961
n×4 80679948
n×5 100849935

Division

n÷y
n÷2 10084993.5
n÷3 6723329
n÷3 5042496.75
n÷5 4033997.4

Exponentiation

ny
n2 406828375580169
n3 8.2057230466831E+21
n4 1.655093271772E+29
n5 3.3383209775429E+36

Nth Root

y√n
2√n 4491.1008672707
3√n 272.20861932737
4√n 67.015676280037
5√n 28.902880258658

Divisors of 20169987

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 -20169986
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 20169987 can be divided by 4 positive divisors. The sum of these divisors (counting 20169987) is 1, the average is 0.25.

Base conversion 20169987

Base System Value
2 Binary 1001100111100010100000011
3 Ternary 1101221202000120
4 Quaternary 1030330110003
5 Quinary 20130414422
6 Senary 2000151323
8 Octal 114742403
10 Decimal 20169987
12 Duodecimal 6908543
16 Hexadecimal 133c503
20 Vigesimal 6614j7
36 Base36 c0b9f

Cryptographic Hash Functions

md5 6dd765ee740188fa90ce9d1c2090a44e
sha1 ebcc941a867d65acf3b4539c6a19a8b1b72a21b9
sha256 22f5f29bf02409d58f82b16d767e2ed099d0aae4b342baa8da8825f20469867f
sha512 a3a698da0c0b42282c7fd8d1a1d1df892d952c8abf08d80bcfc401ff4a2a55d6644446764d4b82c24b375be545555c7fe807bbd8e2ecf84ad7449cd0839176be
ripemd-160 54a339ba2237755389c826eb1fb62b58d8e684c4

20169987 as geometric shapes

Circle

Radius = n
Diameter 40339974
Circumference 126731765.9644
Area 1.2780890359945E+15

Sphere

Radius = n
Volume 3.4372052321136E+22
Surface area 5.1123561439781E+15
Circumference 126731765.9644

Square

Length = n
Perimeter 80679948
Area 406828375580169
Diagonal 28524669.168289

Cube

Length = n
Surface area 2440970253481014
Volume 8.2057230466831E+21
Space diagonal 34935442.272004

Equilateral Triangle

Length = n
Perimeter 60509961
Area 1.7616185411639E+14
Altitude 17467721.136002

Triangular Pyramid

Length = n
Surface area 1.7616185411639E+14
Volume 9.670537351414E+20
Height 9508223.0560963