20331387 is an odd 8-digits composite number following 20331386
and preceding 20331388 . In scientific notation, it is written as 2.0331387 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 12840768 positive integers (up to 20331387) that are relatively prime to 20331387.
20331387 has 12 divisors, whose sum is 30913480
The reverse of 20331387 is 78313302
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million three hundred thirty-one thousand three hundred eighty-seven
Scientific notation
2.0331387 × 10^7
Engineering notation
2.0331387 × 10^6
Prime Factorization
19 × 3 × 3 × 118897
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6777129
Product of the distinct prime numbers
The prime factorization of 20331387 is 19 × 3 × 3 × 118897.
Since it has a total of 4 prime factors.
1 , 8 , 61 , 32 , 758 , 449 , 1417 , 1300 , 39115 , 27095 , 820537 , 21308 , 9214741 , 3798470 , 38838260 , 84345275 , 549237443 , 675578573 , 3488942540 , 411976040
n×2
40662774
n×3
60994161
n×4
81325548
n×5
101656935
n÷2
10165693.5
n÷3
6777129
n÷3
5082846.75
n÷5
4066277.4
n2
413365297343769
n3
8.4042898326662E+21
n4
1.708708690481E+29
n5
3.4740417656433E+36
2 √n
4509.0339320081
3 √n
272.93276128562
4 √n
67.149340518043
5 √n
28.948989011171
1 , 3 , 9 , 19 , 57 , 171 , 118897 , 356691 , 1070073 , 2259043 , 6777129 , 20331387
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20331386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20331387 can be divided by 12 positive divisors.
The sum of these divisors (counting 20331387) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101100011101101111011
3
Ternary
1102020221102100
4
Quaternary
1031203231323
5
Quinary
20201101022
6
Senary
2003434443
8
Octal
115435573
10
Decimal
20331387
12
Duodecimal
6985a23
16
Hexadecimal
1363b7b
20
Vigesimal
671897
36
Base36
c3rsr
md5
2f77719cb630d7b94493e0d9df84aece
sha1
797afdc58755e11845376f91e9d3a70c6ea38f49
sha256
e7133ff01efaa4a0ee7dd86b4b8005b2de4b67fae634d78336479719269b0849
sha512
feb03fcdeeca2ec9d682ea61468b96869179d91a6cd0123c3663bd0a4b2b4dd799f004d417aa1b95e6ebfa2346373389a85cb7a28f84df4927691acb187cc20d
ripemd-160
4974dffba67e48ce4cf633b2ae163071411c98c9
Diameter
40662774
Circumference
127745872.07298
Area
1.2986253813841E+15
Volume
3.5203806929258E+22
Surface area
5.1945015255366E+15
Circumference
127745872.07298
Perimeter
81325548
Area
413365297343769
Diagonal
28752923.237256
Surface area
2480191784062614
Volume
8.4042898326662E+21
Space diagonal
35214995.272345
Perimeter
60994161
Area
1.7899242427131E+14
Altitude
17607497.636173
Surface area
1.7899242427131E+14
Volume
9.9045505528924E+20
Height
9584307.745752