20689724 is an even 8-digits composite number following 20689723
and preceding 20689725 . In scientific notation, it is written as 2.0689724 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 9374000 positive integers (up to 20689724) that are relatively prime to 20689724.
20689724 has 24 divisors, whose sum is 39626496
The reverse of 20689724 is 42798602
Previous prime number is 431
Is Prime? no Number parity even Number length 8 Sum of Digits 38 Digital Root 2
Name
twenty million six hundred eighty-nine thousand seven hundred twenty-four
Scientific notation
2.0689724 × 10^7
Engineering notation
2.0689724 × 10^6
Prime Factorization
2 × 2 × 11 × 431 × 1091
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
10344862 Product of the distinct prime numbers
The prime factorization of 20689724 is 2 × 2 × 11 × 431 × 1091.
Since it has a total of 5 prime factors.
4 , 1 , 65 , 68 , 771 , 846 , 1886 , 3380 , 41920 , 82525 , 405441 , 19276 , 117467 , 8461534 , 99633219 , 52613883 , 413764284 , 907578465 , 3792563126 , 9485687110
n×2
41379448
n×3
62069172
n×4
82758896
n×5
103448620
n÷2
10344862
n÷3
6896574.6666667
n÷3
5172431
n÷5
4137944.8
n2
428064679196176
n3
8.8565400667174E+21
n4
1.8323936957533E+29
n5
3.7911719824475E+36
2 √n4548.5958272856
3 √n274.52689563862
4 √n67.443278592352
5 √n29.05032125623
1 , 2 , 4 , 11 , 22 , 44 , 431 , 862 , 1091 , 1724 , 2182 , 4364 , 4741 , 9482 , 12001 , 18964 , 24002 , 48004 , 470221 , 940442 , 1880884 , 5172431 , 10344862 , 20689724
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
-20689723 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 20689724 can be divided by 24 positive divisors.
The sum of these divisors (counting 20689724) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111011001100111100
3
Ternary
1102221010222002
4
Quaternary
1032323030330
5
Quinary
20244032344
6
Senary
2015241432
8
Octal
116731474
10
Decimal
20689724
12
Duodecimal
6b19278
16
Hexadecimal
13bb33c
20
Vigesimal
696464
36
Base36
cbgak
md5
bed2b189f4fdebac8635218393c060bf
sha1
5a58be103ecd156a70d2990a788a411740a13f7f
sha256
639b3dfb09ba60cc0aa87b4e929d303a74b25c1640b0c126dc4f3d63aca1d155
sha512
8dc7c64c6d03745a6b485e5297390715cd935b2afbd296c91a5104cf36121ee6366b6231ea1136c7dbae7dddd03cf6de11ef7495ec2e1f85a57a96bbc1f9a9a1
ripemd-160
914df9b7928ec1384d8ffae560cd6aa6edffbadf
Diameter
41379448
Circumference
129997369.8464
Area
1.344804851424E+15
Volume
3.7098188279764E+22
Surface area
5.3792194056959E+15
Circumference
129997369.8464
Perimeter
82758896
Area
428064679196176
Diagonal
29259688.282556
Surface area
2568388075177056
Volume
8.8565400667174E+21
Space diagonal
35835653.162577
Perimeter
62069172
Area
1.8535744332336E+14
Altitude
17917826.581289
Surface area
1.8535744332336E+14
Volume
1.0437532565044E+21
Height
9753229.4275187