20381685 (number)

20381685 is an odd 8-digits composite number following 20381684 and preceding 20381686. In scientific notation, it is written as 2.0381685 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 10870224 positive integers (up to 20381685) that are relatively prime to 20381685.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-one thousand six hundred eighty-five

Notation

Scientific notation 2.0381685 × 10^7
Engineering notation 2.0381685 × 10^6

Prime Factorization of 20381685

Prime Factorization 15 × 1358779

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20381685
Product of the distinct prime numbers

The prime factorization of 20381685 is 15 × 1358779. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20381685)

Multiplication

n×y
n×2 40763370
n×3 61145055
n×4 81526740
n×5 101908425

Division

n÷y
n÷2 10190842.5
n÷3 6793895
n÷3 5095421.25
n÷5 4076337

Exponentiation

ny
n2 415413083439225
n3 8.466818611537E+21
n4 1.7256802989248E+29
n5 3.5172272263392E+36

Nth Root

y√n
2√n 4514.6079564011
3√n 273.15764620495
4√n 67.1908323836
5√n 28.963298290752

Divisors of 20381685

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 -20381684
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 20381685 can be divided by 4 positive divisors. The sum of these divisors (counting 20381685) is 1, the average is 0.25.

Base conversion 20381685

Base System Value
2 Binary 1001101101111111111110101
3 Ternary 1102100111102020
4 Quaternary 1031233333311
5 Quinary 20204203220
6 Senary 2004503353
8 Octal 115577765
10 Decimal 20381685
12 Duodecimal 69aab59
16 Hexadecimal 136fff5
20 Vigesimal 677e45
36 Base36 c4ulx

Cryptographic Hash Functions

md5 f98355b787492eef335a01036b2a14c1
sha1 2d6687b62565b06e58b06a4fb5e255a538d1cf1c
sha256 1a9eb223bd8ad53994983ea14cef4b4951e18ae6c218f191a638c019858f0f72
sha512 43c7923f11cec1d781d93e2df65c47360ecb23f04878a01070029c2cafc3abe75226696ac8a0df2a6a11deb4ec2972c5b127f802364055882bb6f55e0cf96399
ripemd-160 07e717e31309972a69ba331b1f9826920cd46e76

20381685 as geometric shapes

Circle

Radius = n
Diameter 40763370
Circumference 128061903.72756
Area 1.3050586911378E+15

Sphere

Radius = n
Volume 3.5465726865709E+22
Surface area 5.220234764551E+15
Circumference 128061903.72756

Square

Length = n
Perimeter 81526740
Area 415413083439225
Diagonal 28824055.351016

Cube

Length = n
Surface area 2492478500635350
Volume 8.466818611537E+21
Space diagonal 35302113.963864

Equilateral Triangle

Length = n
Perimeter 61145055
Area 1.798791416614E+14
Altitude 17651056.981932

Triangular Pyramid

Length = n
Surface area 1.798791416614E+14
Volume 9.9782414254905E+20
Height 9608018.4503388