20161687 (number)

20161687 is an odd 8-digits composite number following 20161686 and preceding 20161688. In scientific notation, it is written as 2.0161687 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 15422400 positive integers (up to 20161687) that are relatively prime to 20161687.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0161687 × 10^7
Engineering notation 2.0161687 × 10^6

Prime Factorization of 20161687

Prime Factorization 49 × 31 × 13 × 1021

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20161687
Product of the distinct prime numbers

The prime factorization of 20161687 is 49 × 31 × 13 × 1021. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20161687)

Multiplication

n×y
n×2 40323374
n×3 60485061
n×4 80646748
n×5 100808435

Division

n÷y
n÷2 10080843.5
n÷3 6720562.3333333
n÷3 5040421.75
n÷5 4032337.4

Exponentiation

ny
n2 406493622685969
n3 8.1955971880906E+21
n4 1.6523706528436E+29
n5 3.3314579910619E+36

Nth Root

y√n
2√n 4490.1767225801
3√n 272.17127602917
4√n 67.008780936382
5√n 28.900501145547

Divisors of 20161687

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 -20161686
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 20161687 can be divided by 16 positive divisors. The sum of these divisors (counting 20161687) is 1, the average is 0.0625.

Base conversion 20161687

Base System Value
2 Binary 1001100111010010010010111
3 Ternary 1101221022122011
4 Quaternary 1030322102113
5 Quinary 20130133222
6 Senary 2000045051
8 Octal 114722227
10 Decimal 20161687
12 Duodecimal 6903787
16 Hexadecimal 133a497
20 Vigesimal 660447
36 Base36 c04uv

Cryptographic Hash Functions

md5 98607abc72580326b14c4429150c7253
sha1 0fd5f2e60990dc9b817705edb7d207cc482b2e9c
sha256 3db4ae5c13959e5c57376781d4aafcaf829fdcf72e0c1dc2120a7f76cd3e3a00
sha512 b72f03502b5c264acb31dc2b19477c2081e29b4859f179181e3d30b08a25309dd54b06e281ad4a5fd4298ea4ed280de4960f316c06e2f27c16ed5a89f8b9d92d
ripemd-160 06b6d843b33bb7eb8890d45d0b07f2442acf00bf

20161687 as geometric shapes

Circle

Radius = n
Diameter 40323374
Circumference 126679615.52635
Area 1.2770373787613E+15

Sphere

Radius = n
Volume 3.4329637223849E+22
Surface area 5.1081495150454E+15
Circumference 126679615.52635

Square

Length = n
Perimeter 80646748
Area 406493622685969
Diagonal 28512931.195721

Cube

Length = n
Surface area 2438961736115814
Volume 8.1955971880906E+21
Space diagonal 34921066.250301

Equilateral Triangle

Length = n
Perimeter 60485061
Area 1.7601690186121E+14
Altitude 17460533.12515

Triangular Pyramid

Length = n
Surface area 1.7601690186121E+14
Volume 9.6586039126204E+20
Height 9504310.3985738