20993840 is an even 8-digits composite number following 20993839
and preceding 20993841 . In scientific notation, it is written as 2.0993840 × 10^7.
The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors.
There are 7197696 positive integers (up to 20993840) that are relatively prime to 20993840.
20993840 has 20 divisors, whose sum is 41838840
The reverse of 20993840 is 04839902
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million nine hundred ninety-three thousand eight hundred forty
Scientific notation
2.0993840 × 10^7
Engineering notation
2.0993840 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 35 × 37489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2624230
Product of the distinct prime numbers
The prime factorization of 20993840 is 2 × 2 × 2 × 2 × 35 × 37489.
Since it has a total of 6 prime factors.
10 , 4 , 81 , 84 , 953 , 489 , 1549 , 4198 , 70856 , 30546 , 93859 , 658804 , 6648666 , 4605024 , 58799357 , 96868869 , 427824875 , 304403932 , 3505692301 , 708412600
n×2
41987680
n×3
62981520
n×4
83975360
n×5
104969200
n÷2
10496920
n÷3
6997946.6666667
n÷3
5248460
n÷5
4198768
n2
440741317945600
n3
9.2528527103391E+21
n4
1.9425290934442E+29
n5
4.0781144983114E+36
2 √n
4581.9035345585
3 √n
275.86543885251
4 √n
67.689759451179
5 √n
29.135225018332
1 , 2 , 4 , 8 , 16 , 35 , 70 , 140 , 280 , 560 , 37489 , 74978 , 149956 , 299912 , 599824 , 1312115 , 2624230 , 5248460 , 10496920 , 20993840
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
-20993839
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 20993840 can be divided by 20 positive divisors.
The sum of these divisors (counting 20993840) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000000101011100110000
3
Ternary
1110111121010122
4
Quaternary
1100011130300
5
Quinary
20333300330
6
Senary
2025545412
8
Octal
120053460
10
Decimal
20993840
12
Duodecimal
7045268
16
Hexadecimal
1405730
20
Vigesimal
6b44c0
36
Base36
chyy8
md5
837324e2b57b19f1c1329d7f60c7b267
sha1
7bba8610a50b2ddb11e8f6be0d5a5fd551c9e0da
sha256
6062d3565a712b826e65e131286503ad9d55dead31a32d34ec6d06bef764a43b
sha512
f50665367a99e5a7f1c20a2c6007cda3b99b0e5eca8fc368c94d9253fba322f23e1c120b57843a83f196823b27265e89b56acda90b338cbc937b653a512fcca9
ripemd-160
ff0e01b28a021804c77437afc512f96c2673c8d9
Diameter
41987680
Circumference
131908187.02928
Area
1.3846296865914E+15
Volume
3.8758258799399E+22
Surface area
5.5385187463655E+15
Circumference
131908187.02928
Perimeter
83975360
Area
440741317945600
Diagonal
29689773.254291
Surface area
2644447907673600
Volume
9.2528527103391E+21
Space diagonal
36362397.525972
Perimeter
62981520
Area
1.9084658891916E+14
Altitude
18181198.762986
Surface area
1.9084658891916E+14
Volume
1.0904591494668E+21
Height
9896591.0847636