20731685 (number)

20731685 is an odd 8-digits composite number following 20731684 and preceding 20731686. In scientific notation, it is written as 2.0731685 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 15309504 positive integers (up to 20731685) that are relatively prime to 20731685.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731685 × 10^7
Engineering notation 2.0731685 × 10^6

Prime Factorization of 20731685

Prime Factorization 13 × 5 × 318949

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20731685
Product of the distinct prime numbers

The prime factorization of 20731685 is 13 × 5 × 318949. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731685)

Multiplication

n×y
n×2 41463370
n×3 62195055
n×4 82926740
n×5 103658425

Division

n÷y
n÷2 10365842.5
n÷3 6910561.6666667
n÷3 5182921.25
n÷5 4146337

Exponentiation

ny
n2 429802762939225
n3 8.9105354933857E+21
n4 1.8473041503019E+29
n5 3.8297727743252E+36

Nth Root

y√n
2√n 4553.2060133493
3√n 274.71236040178
4√n 67.477448183443
5√n 29.062095147869

Divisors of 20731685

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20731684
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731685 can be divided by 8 positive divisors. The sum of these divisors (counting 20731685) is 1, the average is 0.125.

Base conversion 20731685

Base System Value
2 Binary 1001111000101011100100101
3 Ternary 1110000021112012
4 Quaternary 1033011130211
5 Quinary 20301403220
6 Senary 2020204005
8 Octal 117053445
10 Decimal 20731685
12 Duodecimal 6b39605
16 Hexadecimal 13c5725
20 Vigesimal 69b945
36 Base36 ccco5

Cryptographic Hash Functions

md5 8f13873fbb99b59d2325a38aa5216799
sha1 a5f17686ee1fce4eeea49f4c974643a00658e890
sha256 5a9ba9c42bc0be57119b4e4b07b4000e8bb65041539d578a14e9d09cd9026b07
sha512 7df2c375a745de3814410d633c4d38b1054337459141c81c31aaab5fef4892b0c6093dc2d2e34aae4ef4dfa3c01a14ec81c935004ac2995809d01ec6b33e84e3
ripemd-160 b715bfb5529ca2b96420f0402c99ab29ab78737d

20731685 as geometric shapes

Circle

Radius = n
Diameter 41463370
Circumference 130261018.58508
Area 1.3502652025425E+15

Sphere

Radius = n
Volume 3.7324363794095E+22
Surface area 5.4010608101699E+15
Circumference 130261018.58508

Square

Length = n
Perimeter 82926740
Area 429802762939225
Diagonal 29319030.097847

Cube

Length = n
Surface area 2578816577635350
Volume 8.9105354933857E+21
Space diagonal 35908331.746514

Equilateral Triangle

Length = n
Perimeter 62195055
Area 1.8611005566105E+14
Altitude 17954165.873257

Triangular Pyramid

Length = n
Surface area 1.8611005566105E+14
Volume 1.0501166785627E+21
Height 9773010.0326156