20993968 is an even 8-digits composite number following 20993967
and preceding 20993969 . In scientific notation, it is written as 2.0993968 × 10^7.
The sum of its digits is 46. It has a total of 6 prime factors and 20 positive divisors.
There are 10240640 positive integers (up to 20993968) that are relatively prime to 20993968.
20993968 has 20 divisors, whose sum is 41669208
The reverse of 20993968 is 86939902
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty million nine hundred ninety-three thousand nine hundred sixty-eight
Scientific notation
2.0993968 × 10^7
Engineering notation
2.0993968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 41 × 32003
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2624246
Product of the distinct prime numbers
The prime factorization of 20993968 is 2 × 2 × 2 × 2 × 41 × 32003.
Since it has a total of 6 prime factors.
6 , 7 , 15 , 39 , 172 , 358 , 2104 , 9250 , 87639 , 11545 , 984317 , 136166 , 6693005 , 7500740 , 4973355 , 72465805 , 890129988 , 437154429 , 9471442659 , 6012291853
n×2
41987936
n×3
62981904
n×4
83975872
n×5
104969840
n÷2
10496984
n÷3
6997989.3333333
n÷3
5248492
n÷5
4198793.6
n2
440746692385024
n3
9.253021956037E+21
n4
1.9425764684834E+29
n5
4.0782388216893E+36
2 √n
4581.917502531
3 √n
275.86599950434
4 √n
67.689862627509
5 √n
29.135260545893
1 , 2 , 4 , 8 , 16 , 41 , 82 , 164 , 328 , 656 , 32003 , 64006 , 128012 , 256024 , 512048 , 1312123 , 2624246 , 5248492 , 10496984 , 20993968
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20993967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20993968 can be divided by 20 positive divisors.
The sum of these divisors (counting 20993968) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000000101011110110000
3
Ternary
1110111121022101
4
Quaternary
1100011132300
5
Quinary
20333301333
6
Senary
2025550144
8
Octal
120053660
10
Decimal
20993968
12
Duodecimal
7045354
16
Hexadecimal
14057b0
20
Vigesimal
6b44i8
36
Base36
chz1s
md5
3999016900ed15ca8cb8f81197a36cb9
sha1
4326ae4c2d52684596455a86d9158e11d1ea4db3
sha256
155f83fdfea18af1c5dde3925e3cddce96e1af6a30b60c4d9855ef313150f47a
sha512
3165f3102493b5b1641c9e1154e3d139d92396942f6bd12c08b8b4305c5c1abe321d5bcc2bd8b53b30d7b11e1319c1c1ce8707a00702b86adfdf90987d9f8b21
ripemd-160
2fd1ec4061d4fcc3cc744a0929b43e922d6fba93
Diameter
41987936
Circumference
131908991.277
Area
1.3846465708908E+15
Volume
3.8758967734121E+22
Surface area
5.5385862835632E+15
Circumference
131908991.277
Perimeter
83975872
Area
440746692385024
Diagonal
29689954.273627
Surface area
2644480154310144
Volume
9.253021956037E+21
Space diagonal
36362619.228475
Perimeter
62981904
Area
1.908489161197E+14
Altitude
18181309.614238
Surface area
1.908489161197E+14
Volume
1.0904790952636E+21
Height
9896651.4245423