20783890 is an even 8-digits composite number following 20783889
and preceding 20783891 . In scientific notation, it is written as 2.0783890 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 8313552 positive integers (up to 20783890) that are relatively prime to 20783890.
20783890 has 8 divisors, whose sum is 37411020
The reverse of 20783890 is 09838702
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million seven hundred eighty-three thousand eight hundred ninety
Scientific notation
2.0783890 × 10^7
Engineering notation
2.0783890 × 10^6
Prime Factorization
2 × 5 × 2078389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20783890
Product of the distinct prime numbers
The prime factorization of 20783890 is 2 × 5 × 2078389.
Since it has a total of 3 prime factors.
10 , 2 , 100 , 78 , 159 , 339 , 6038 , 3946 , 95558 , 70072 , 893885 , 145076 , 8721828 , 6085925 , 67463488 , 89305924 , 572963634 , 234351800 , 2303682799 , 7315704468
n×2
41567780
n×3
62351670
n×4
83135560
n×5
103919450
n÷2
10391945
n÷3
6927963.3333333
n÷3
5195972.5
n÷5
4156778
n2
431970083532100
n3
8.978018699422E+21
n4
1.8659815306673E+29
n5
3.8782354875421E+36
2 √n
4558.9351826934
3 √n
274.94275392427
4 √n
67.519887312505
5 √n
29.076716832454
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20783889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20783890 can be divided by 8 positive divisors.
The sum of these divisors (counting 20783890) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010010001100010010
3
Ternary
1110002221010201
4
Quaternary
1033102030102
5
Quinary
20310041030
6
Senary
2021245414
8
Octal
117221422
10
Decimal
20783890
12
Duodecimal
6b6386a
16
Hexadecimal
13d2312
20
Vigesimal
69hjea
36
Base36
cdgya
md5
1439ac97b9d157e4921021e9e1ec0bc4
sha1
bc01c4a1e36b4a4a054c4aaed90178f43cdbdd69
sha256
d97d065571d2ae5768caa1d6c40b5ec41d30132bb2e80740d8ff1d95a4063058
sha512
c07f8149c1540c4eec3b41a164069f03f9779918baa7391efbfedad4fd9531e3446cbb6dcdb4ebaf27207ccd434e4588eaca60010d80a8fa773e2b115f61859e
ripemd-160
3b6d226935dce2c2974578613b6f741ec290178c
Diameter
41567780
Circumference
130589032.27404
Area
1.357074040995E+15
Volume
3.7607036786528E+22
Surface area
5.4282961639801E+15
Circumference
130589032.27404
Perimeter
83135560
Area
431970083532100
Diagonal
29392859.116871
Surface area
2591820501192600
Volume
8.978018699422E+21
Space diagonal
35998753.458923
Perimeter
62351670
Area
1.8704853300684E+14
Altitude
17999376.729461
Surface area
1.8704853300684E+14
Volume
1.0580696506635E+21
Height
9797619.7056235