20668896 is an even 8-digits composite number following 20668895
and preceding 20668897 . In scientific notation, it is written as 2.0668896 × 10^7.
The sum of its digits is 45. It has a total of 7 prime factors and 24 positive divisors.
There are 6725376 positive integers (up to 20668896) that are relatively prime to 20668896.
20668896 has 24 divisors, whose sum is 40821480
The reverse of 20668896 is 69886602
Previous prime number is 387
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million six hundred sixty-eight thousand eight hundred ninety-six
Scientific notation
2.0668896 × 10^7
Engineering notation
2.0668896 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 387 × 1669
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1291806
Product of the distinct prime numbers
The prime factorization of 20668896 is 2 × 2 × 2 × 2 × 2 × 387 × 1669.
Since it has a total of 7 prime factors.
7 , 4 , 67 , 28 , 418 , 606 , 4930 , 7545 , 9878 , 93511 , 763331 , 452980 , 4163676 , 723839 , 74820924 , 16554191 , 394139438 , 622991515 , 9512480066 , 8912426373
n×2
41337792
n×3
62006688
n×4
82675584
n×5
103344480
n÷2
10334448
n÷3
6889632
n÷3
5167224
n÷5
4133779.2
n2
427203261858816
n3
8.8298197902206E+21
n4
1.8250262694281E+29
n5
3.7721278160078E+36
2 √n
4546.3057530263
3 √n
274.43474416054
4 √n
67.426298675119
5 √n
29.044470004855
1 , 2 , 4 , 8 , 16 , 32 , 387 , 774 , 1548 , 1669 , 3096 , 3338 , 6192 , 6676 , 12384 , 13352 , 26704 , 53408 , 645903 , 1291806 , 2583612 , 5167224 , 10334448 , 20668896
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
-20668895
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 20668896 can be divided by 24 positive divisors.
The sum of these divisors (counting 20668896) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110110110000111100000
3
Ternary
1102220002101200
4
Quaternary
1032312013200
5
Quinary
20242401041
6
Senary
2015001200
8
Octal
116660740
10
Decimal
20668896
12
Duodecimal
6b09200
16
Hexadecimal
13b61e0
20
Vigesimal
693c4g
36
Base36
cb080
md5
663fa2cc7e760f3254dd0c53b105c502
sha1
a4e1ea6ad06ff652126e546a4e76a44d79bb30b1
sha256
49d85d177fce13d938b108d8d24d1f43d5da7481a7ad24c3d7f8c3eb3ce7c13f
sha512
80e89a7b023c4b66fdcd3ad3bd51f70e4f9fdf6037847295480c5d276ebe02a75eb4d7e31ae195a8c12156b0103bd970781f43f3bab9107a844ef6e33a586fbb
ripemd-160
58d0f94b5212d51a4b1a35874d6d8e1f7219b972
Diameter
41337792
Circumference
129866503.66282
Area
1.3420986290453E+15
Volume
3.6986262647305E+22
Surface area
5.368394516181E+15
Circumference
129866503.66282
Perimeter
82675584
Area
427203261858816
Diagonal
29230233.042479
Surface area
2563219571152896
Volume
8.8298197902206E+21
Space diagonal
35799578.008357
Perimeter
62006688
Area
1.8498443867466E+14
Altitude
17899789.004179
Surface area
1.8498443867466E+14
Volume
1.04060424172E+21
Height
9743411.0141597