20730387 is an odd 8-digits composite number following 20730386
and preceding 20730388 . In scientific notation, it is written as 2.0730387 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13092840 positive integers (up to 20730387) that are relatively prime to 20730387.
20730387 has 4 divisors, whose sum is 21094136
The reverse of 20730387 is 78303702
Previous prime number is 57
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million seven hundred thirty thousand three hundred eighty-seven
Scientific notation
2.0730387 × 10^7
Engineering notation
2.0730387 × 10^6
Prime Factorization
57 × 363691
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20730387
Product of the distinct prime numbers
The prime factorization of 20730387 is 57 × 363691.
Since it has a total of 2 prime factors.
3 , 6 , 4 , 87 , 746 , 754 , 1454 , 4821 , 44166 , 99987 , 363390 , 443702 , 5794607 , 4049668 , 6507063 , 76716084 , 68043588 , 937348921 , 5027856677 , 4508693775
n×2
41460774
n×3
62191161
n×4
82921548
n×5
103651935
n÷2
10365193.5
n÷3
6910129
n÷3
5182596.75
n÷5
4146077.4
n2
429748945169769
n3
8.9088619462111E+21
n4
1.8468415587453E+29
n5
3.8285740240473E+36
2 √n
4553.0634741897
3 √n
274.70662708286
4 √n
67.476391976673
5 √n
29.061731226227
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20730386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20730387 can be divided by 4 positive divisors.
The sum of these divisors (counting 20730387) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111000101001000010011
3
Ternary
1110000012202010
4
Quaternary
1033011020103
5
Quinary
20301333022
6
Senary
2020154003
8
Octal
117051023
10
Decimal
20730387
12
Duodecimal
6b38903
16
Hexadecimal
13c5213
20
Vigesimal
69b5j7
36
Base36
ccbo3
md5
7387c7ecef02ab16830a80faa446b82e
sha1
93a6ed4ef81cd21dd10b79d95975c4c74df46189
sha256
bbba607c2dbbd7c263d8d6b3ea944322895fc5b8cefd21eb138e7f2dfb534227
sha512
14ed796dbdd68da3ad33ce3052423d8b7342e132e784e9beaa558874a5404f8e0ed8be90a3702f93f7712d3493b950fef86b451db4bcb25f484a52771bb461b1
ripemd-160
0d1a1214ac25ea285d049f2dd4a79a3f2b32d396
Diameter
41460774
Circumference
130252863.01055
Area
1.3500961290333E+15
Volume
3.7317353656083E+22
Surface area
5.4003845161332E+15
Circumference
130252863.01055
Perimeter
82921548
Area
429748945169769
Diagonal
29317194.448643
Surface area
2578493671018614
Volume
8.9088619462111E+21
Space diagonal
35906083.544565
Perimeter
62191161
Area
1.8608675188329E+14
Altitude
17953041.772283
Surface area
1.8608675188329E+14
Volume
1.0499194491368E+21
Height
9772398.1495476