20688738 (number)

20688738 is an even 8-digits composite number following 20688737 and preceding 20688739. In scientific notation, it is written as 2.0688738 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 5877840 positive integers (up to 20688738) that are relatively prime to 20688738.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0688738 × 10^7
Engineering notation 2.0688738 × 10^6

Prime Factorization of 20688738

Prime Factorization 2 × 21 × 191 × 2579

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20688738
Product of the distinct prime numbers

The prime factorization of 20688738 is 2 × 21 × 191 × 2579. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 11, 16, 127, 193, 4700, 4023, 19860, 34881, 183053, 691658, 1975653, 3632195, 57513223, 2281465, 521336711, 894682265, 1303643256, 5841662367

Basic calculations (n = 20688738)

Multiplication

n×y
n×2 41377476
n×3 62066214
n×4 82754952
n×5 103443690

Division

n÷y
n÷2 10344369
n÷3 6896246
n÷3 5172184.5
n÷5 4137747.6

Exponentiation

ny
n2 428023880032644
n3 8.8552739117388E+21
n4 1.832044418782E+29
n5 3.7902686984543E+36

Nth Root

y√n
2√n 4548.4874408972
3√n 274.52253457159
4√n 67.442475050203
5√n 29.050044363577

Divisors of 20688738

1, 2, 21, 42, 191, 382, 2579, 4011, 5158, 8022, 54159, 108318, 492589, 985178, 10344369, 20688738

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 -20688737
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 20688738 can be divided by 16 positive divisors. The sum of these divisors (counting 20688738) is 1, the average is 0.0625.

Base conversion 20688738

Base System Value
2 Binary 1001110111010111101100010
3 Ternary 1102221002121120
4 Quaternary 1032322331202
5 Quinary 20244014423
6 Senary 2015233110
8 Octal 116727542
10 Decimal 20688738
12 Duodecimal 6b18796
16 Hexadecimal 13baf62
20 Vigesimal 6961gi
36 Base36 cbfj6

Cryptographic Hash Functions

md5 22fd92e301fdd90e853dc327854c1416
sha1 545326455c0706b00062a4037f9fa55f3ef07e2d
sha256 d8a10e11657febb3cf3d8861816d0be178902cf39ce36746b345abed25418db4
sha512 616995420ab0bb113402b355ee4bbd451e646d90d2cbd1a843377913cb2da0c9b5cdcdd06df280c5797a7b91090d3f4636bd59c9eb224fdba682322085089ae1
ripemd-160 27f7e0c5f3044ab13eda8510b78949636a27db98

20688738 as geometric shapes

Circle

Radius = n
Diameter 41377476
Circumference 129991174.62569
Area 1.3446766770716E+15

Sphere

Radius = n
Volume 3.7092884622192E+22
Surface area 5.3787067082862E+15
Circumference 129991174.62569

Square

Length = n
Perimeter 82754952
Area 428023880032644
Diagonal 29258293.867984

Cube

Length = n
Surface area 2568143280195864
Volume 8.8552739117388E+21
Space diagonal 35833945.360481

Equilateral Triangle

Length = n
Perimeter 62066214
Area 1.8533977676733E+14
Altitude 17916972.68024

Triangular Pyramid

Length = n
Surface area 1.8533977676733E+14
Volume 1.0436040387091E+21
Height 9752764.6226612