19986790 is an even 8-digits composite number following 19986789
and preceding 19986791 . In scientific notation, it is written as 1.9986790 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 7994712 positive integers (up to 19986790) that are relatively prime to 19986790.
19986790 has 8 divisors, whose sum is 35976240
The reverse of 19986790 is 09768991
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million nine hundred eighty-six thousand seven hundred ninety
Scientific notation
1.9986790 × 10^7
Engineering notation
1.9986790 × 10^6
Prime Factorization
2 × 5 × 1998679
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19986790
Product of the distinct prime numbers
The prime factorization of 19986790 is 2 × 5 × 1998679.
Since it has a total of 3 prime factors.
5 , 5 , 100 , 9 , 773 , 680 , 6037 , 6412 , 70373 , 71739 , 520182 , 892582 , 6307189 , 5202817 , 82792195 , 23076361 , 746049354 , 605421135 , 4158100534 , 9779522678
n×2
39973580
n×3
59960370
n×4
79947160
n×5
99933950
n÷2
9993395
n÷3
6662263.3333333
n÷3
4996697.5
n÷5
3997358
n2
399471774504100
n3
7.9841584679408E+21
n4
1.5957769862545E+29
n5
3.1894459511102E+36
2 √n
4470.658788143
3 √n
271.38198606911
4 √n
66.862985187194
5 √n
28.850185497565
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
-19986789
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 19986790 can be divided by 8 positive divisors.
The sum of these divisors (counting 19986790) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100001111100101100110
3
Ternary
1101121102201111
4
Quaternary
1030033211212
5
Quinary
20104034130
6
Senary
1552215234
8
Octal
114174546
10
Decimal
19986790
12
Duodecimal
683a51a
16
Hexadecimal
130f966
20
Vigesimal
64i6ja
36
Base36
bwdwm
md5
5f258cfd65eb65bafc7a7d627027b1f5
sha1
9f3865e4e5f911d78a249621361c74d69cc6bb77
sha256
9c937ff9f6b815ff739fe434a9560a7c3e9ae55daa27d077caffb3c0a77598af
sha512
18fd84a5554c9a7561c9704e2c591f6fe8a6a6023a5a954f766c0d16435ebeba932da80069aa42fca52bcc501bc42b1a1710ea939169e9fe264a196d71970b01
ripemd-160
025d3c4a4ff63754853f2553064f97919e19d86e
Diameter
39973580
Circumference
125580705.26568
Area
1.2549775920986E+15
Volume
3.3443964783973E+22
Surface area
5.0199103683942E+15
Circumference
125580705.26568
Perimeter
79947160
Area
399471774504100
Diagonal
28265589.486303
Surface area
2396830647024600
Volume
7.9841584679408E+21
Space diagonal
34618135.76021
Perimeter
59960370
Area
1.729763524077E+14
Altitude
17309067.880105
Surface area
1.729763524077E+14
Volume
9.4094209912482E+20
Height
9421863.162101