20495890 is an even 8-digits composite number following 20495889
and preceding 20495891 . In scientific notation, it is written as 2.0495890 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 8198352 positive integers (up to 20495890) that are relatively prime to 20495890.
20495890 has 8 divisors, whose sum is 36892620
The reverse of 20495890 is 09859402
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million four hundred ninety-five thousand eight hundred ninety
Scientific notation
2.0495890 × 10^7
Engineering notation
2.0495890 × 10^6
Prime Factorization
2 × 5 × 2049589
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20495890
Product of the distinct prime numbers
The prime factorization of 20495890 is 2 × 5 × 2049589.
Since it has a total of 3 prime factors.
3 , 10 , 46 , 5 , 803 , 208 , 5065 , 8574 , 84419 , 65382 , 24296 , 978799 , 3588208 , 603482 , 31376934 , 92995385 , 296759309 , 995712183 , 1068992745 , 2173999802
n×2
40991780
n×3
61487670
n×4
81983560
n×5
102479450
n÷2
10247945
n÷3
6831963.3333333
n÷3
5123972.5
n÷5
4099178
n2
420081506892100
n3
8.6099443562947E+21
n4
1.7646847243274E+29
n5
3.6168783994494E+36
2 √n
4527.2386727452
3 √n
273.66689233689
4 √n
67.284758101261
5 √n
28.995683881591
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
-20495889
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 20495890 can be divided by 8 positive divisors.
The sum of these divisors (counting 20495890) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001011111000010010
3
Ternary
1102120022002001
4
Quaternary
1032023320102
5
Quinary
20221332030
6
Senary
2011144214
8
Octal
116137022
10
Decimal
20495890
12
Duodecimal
6a4506a
16
Hexadecimal
138be12
20
Vigesimal
681jea
36
Base36
c7aqa
md5
93f58bdc660509819c0cb1a74569e53e
sha1
784f9058fec76e0c58cf7e79059018f5637607e3
sha256
376d317eb2993837e702432a752f28ede9a1578debda506b03c1492484bc325e
sha512
16701a99a0e1ead8af56546130455e357257501053fa52890134fdc35da2050590e1612c2408b9924ff89aabcf3634f85037d303261785eafbf4032dc50757a9
ripemd-160
ab470b8ed52f39bee45c4eaa4fbc0a4e525bd6bf
Diameter
40991780
Circumference
128779474.90557
Area
1.3197249759612E+15
Volume
3.6065250583403E+22
Surface area
5.2788999038446E+15
Circumference
128779474.90557
Perimeter
81983560
Area
420081506892100
Diagonal
28985565.610907
Surface area
2520489041352600
Volume
8.6099443562947E+21
Space diagonal
35499922.826343
Perimeter
61487670
Area
1.819006283143E+14
Altitude
17749961.413171
Surface area
1.819006283143E+14
Volume
1.0146916733291E+21
Height
9661855.2036357