20161749 (number)

20161749 is an odd 8-digits composite number following 20161748 and preceding 20161750. In scientific notation, it is written as 2.0161749 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12951600 positive integers (up to 20161749) that are relatively prime to 20161749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0161749 × 10^7
Engineering notation 2.0161749 × 10^6

Prime Factorization of 20161749

Prime Factorization 3 × 31 × 431 × 503

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20161749
Product of the distinct prime numbers

The prime factorization of 20161749 is 3 × 31 × 431 × 503. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20161749)

Multiplication

n×y
n×2 40323498
n×3 60485247
n×4 80646996
n×5 100808745

Division

n÷y
n÷2 10080874.5
n÷3 6720583
n÷3 5040437.25
n÷5 4032349.8

Exponentiation

ny
n2 406496122739001
n3 8.1956727961369E+21
n4 1.6523909780184E+29
n5 3.3315092148672E+36

Nth Root

y√n
2√n 4490.1836265347
3√n 272.17155501709
4√n 67.00883245166
5√n 28.900518920139

Divisors of 20161749

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 -20161748
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 20161749 can be divided by 16 positive divisors. The sum of these divisors (counting 20161749) is 1, the average is 0.0625.

Base conversion 20161749

Base System Value
2 Binary 1001100111010010011010101
3 Ternary 1101221022201110
4 Quaternary 1030322103111
5 Quinary 20130133444
6 Senary 2000045233
8 Octal 114722325
10 Decimal 20161749
12 Duodecimal 6903819
16 Hexadecimal 133a4d5
20 Vigesimal 660479
36 Base36 c04wl

Cryptographic Hash Functions

md5 040783edb02720f8a1a5f456c8945b34
sha1 b9cb93db88bd174fee7fcc66edc97a0ab8ae8173
sha256 f4ce764bf3795b690026c15740a971cf7e7bf92a0f6d90c4a5283ef5cab3bebb
sha512 346a8bb15f9d48e8c42ec14d9add232457c250485b29c8e585923a0a8315aa2befa52b66eda1e2272531e9daf3bf1b2e4482912e10ffae19219c79d54d175490
ripemd-160 e12719bbd4787944456c16f7f892ed78792febb2

20161749 as geometric shapes

Circle

Radius = n
Diameter 40323498
Circumference 126680005.08384
Area 1.2770452329096E+15

Sphere

Radius = n
Volume 3.4329953930093E+22
Surface area 5.1081809316383E+15
Circumference 126680005.08384

Square

Length = n
Perimeter 80646996
Area 406496122739001
Diagonal 28513018.876962

Cube

Length = n
Surface area 2438976736434006
Volume 8.1956727961369E+21
Space diagonal 34921173.637451

Equilateral Triangle

Length = n
Perimeter 60485247
Area 1.7601798441593E+14
Altitude 17460586.818726

Triangular Pyramid

Length = n
Surface area 1.7601798441593E+14
Volume 9.6586930175576E+20
Height 9504339.6256541