20731688 (number)

20731688 is an even 8-digits composite number following 20731687 and preceding 20731689. In scientific notation, it is written as 2.0731688 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 8 positive divisors. There are 10365840 positive integers (up to 20731688) that are relatively prime to 20731688.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731688 × 10^7
Engineering notation 2.0731688 × 10^6

Prime Factorization of 20731688

Prime Factorization 2 × 2 × 2 × 2591461

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5182922
Product of the distinct prime numbers

The prime factorization of 20731688 is 2 × 2 × 2 × 2591461. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731688)

Multiplication

n×y
n×2 41463376
n×3 62195064
n×4 82926752
n×5 103658440

Division

n÷y
n÷2 10365844
n÷3 6910562.6666667
n÷3 5182922
n÷5 4146337.6

Exponentiation

ny
n2 429802887329344
n3 8.9105393616111E+21
n4 1.8473052195664E+29
n5 3.8297755452822E+36

Nth Root

y√n
2√n 4553.2063427875
3√n 274.71237365263
4√n 67.477450624542
5√n 29.062095988961

Divisors of 20731688

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 -20731687
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 20731688 can be divided by 8 positive divisors. The sum of these divisors (counting 20731688) is 1, the average is 0.125.

Base conversion 20731688

Base System Value
2 Binary 1001111000101011100101000
3 Ternary 1110000021112022
4 Quaternary 1033011130220
5 Quinary 20301403223
6 Senary 2020204012
8 Octal 117053450
10 Decimal 20731688
12 Duodecimal 6b39608
16 Hexadecimal 13c5728
20 Vigesimal 69b948
36 Base36 ccco8

Cryptographic Hash Functions

md5 ecaff899d534669dd649efd3bd1bc9c5
sha1 7eae239948ecb71f2bdff1f6eca22ea06e31b362
sha256 ecbcf81ab7d176c5164f7533a291f99219b7261120b1c30bc6bee6241cd414b4
sha512 87d4398ef5ed3e7d94bb40afdbf38b56c7b7e5ff48d98f11b876f767da4841212aa3a86fa6a311a00fe3601910f2b54c4adfb6e5091eb76a7b4dbfa4dc1fa38a
ripemd-160 cd66223a6d71b547a39747c174f94c0fd491d199

20731688 as geometric shapes

Circle

Radius = n
Diameter 41463376
Circumference 130261037.43463
Area 1.3502655933255E+15

Sphere

Radius = n
Volume 3.732437999728E+22
Surface area 5.4010623733022E+15
Circumference 130261037.43463

Square

Length = n
Perimeter 82926752
Area 429802887329344
Diagonal 29319034.340488

Cube

Length = n
Surface area 2578817323976064
Volume 8.9105393616111E+21
Space diagonal 35908336.942666

Equilateral Triangle

Length = n
Perimeter 62195064
Area 1.8611010952356E+14
Altitude 17954168.471333

Triangular Pyramid

Length = n
Surface area 1.8611010952356E+14
Volume 1.0501171344375E+21
Height 9773011.4468292