20688740 (number)

20688740 is an even 8-digits composite number following 20688739 and preceding 20688741. In scientific notation, it is written as 2.0688740 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors. There are 8252928 positive integers (up to 20688740) that are relatively prime to 20688740.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-eight thousand seven hundred forty

Notation

Scientific notation 2.0688740 × 10^7
Engineering notation 2.0688740 × 10^6

Prime Factorization of 20688740

Prime Factorization 2 × 2 × 5 × 433 × 2389

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10344370
Product of the distinct prime numbers

The prime factorization of 20688740 is 2 × 2 × 5 × 433 × 2389. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20688740)

Multiplication

n×y
n×2 41377480
n×3 62066220
n×4 82754960
n×5 103443700

Division

n÷y
n÷2 10344370
n÷3 6896246.6666667
n÷3 5172185
n÷5 4137748

Exponentiation

ny
n2 428023962787600
n3 8.8552764798823E+21
n4 1.832045127204E+29
n5 3.7902705304991E+36

Nth Root

y√n
2√n 4548.4876607505
3√n 274.52254341771
4√n 67.442476680135
5√n 29.050044925236

Divisors of 20688740

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20688739
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20688740 can be divided by 24 positive divisors. The sum of these divisors (counting 20688740) is 1, the average is 0.041666666666667.

Base conversion 20688740

Base System Value
2 Binary 1001110111010111101100100
3 Ternary 1102221002121122
4 Quaternary 1032322331210
5 Quinary 20244014430
6 Senary 2015233112
8 Octal 116727544
10 Decimal 20688740
12 Duodecimal 6b18798
16 Hexadecimal 13baf64
20 Vigesimal 6961h0
36 Base36 cbfj8

Cryptographic Hash Functions

md5 555131d99613b6dcad21d09091fc2246
sha1 535d6c0c222e90d92b014bfcd9b41187977de91e
sha256 563da572da87f62704fcb60717486b8fd73c4b5e0c49bc8571207ee02d1d954c
sha512 d8d53f815041aa5aa39a2e163a51f336645043f0a5b461b8cbca90eb2c7d7fc38250090a246816ad352af5182b8e90a5ddca62fb0cbffdc4dc46528b40b8fd7b
ripemd-160 2fa3555f89effd0131b21b65e4becab756b5a0e3

20688740 as geometric shapes

Circle

Radius = n
Diameter 41377480
Circumference 129991187.19206
Area 1.3446769370539E+15

Sphere

Radius = n
Volume 3.7092895379606E+22
Surface area 5.3787077482157E+15
Circumference 129991187.19206

Square

Length = n
Perimeter 82754960
Area 428023962787600
Diagonal 29258296.696411

Cube

Length = n
Surface area 2568143776725600
Volume 8.8552764798823E+21
Space diagonal 35833948.824583

Equilateral Triangle

Length = n
Perimeter 62066220
Area 1.8533981260127E+14
Altitude 17916974.412291

Triangular Pyramid

Length = n
Surface area 1.8533981260127E+14
Volume 1.0436043413678E+21
Height 9752765.5654703