19989493 is an odd 8-digits prime number following 19989492
and preceding 19989494 . In scientific notation, it is written as 1.9989493 × 10^7.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 19989492 positive integers (up to 19989493) that are relatively prime to 19989493.
19989493 has 2 divisors, whose sum is 19989494
The reverse of 19989493 is 39498991
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 52 Digital Root 7
Name
nineteen million nine hundred eighty-nine thousand four hundred ninety-three
Scientific notation
1.9989493 × 10^7
Engineering notation
1.9989493 × 10^6
Prime Factorization
19989493
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
19989493 Product of the distinct prime numbers
The prime factorization of 19989493 is 19989493.
Since it has a total of 1 prime factors.
9 , 9 , 96 , 74 , 214 , 158 , 4185 , 8612 , 27281 , 76770 , 182413 , 477072 , 7355176 , 4378807 , 80406554 , 48686008 , 318181219 , 538578792 , 5423655803 , 4238330954
n×2
39978986
n×3
59968479
n×4
79957972
n×5
99947465
n÷2
9994746.5
n÷3
6663164.3333333
n÷3
4997373.25
n÷5
3997898.6
n2
399579830397049
n3
7.987398222663E+21
n4
1.5966404086013E+29
n5
3.1916032271254E+36
2 √n4470.9610823625
3 √n271.39421935657
4 √n66.865245698812
5 √n28.850965791282
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
19989494 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
9994747 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4470.9611941953 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999998999474 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19989493 can be divided by 2 positive divisors.
The sum of these divisors (counting 19989493) is 19989494, the average is 9994747.
Base
System
Value
2
Binary
1001100010000001111110101
3
Ternary
1101121120102121
4
Quaternary
1030100033311
5
Quinary
20104130433
6
Senary
1552235541
8
Octal
114201765
10
Decimal
19989493
12
Duodecimal
683bbb1
16
Hexadecimal
13103f5
20
Vigesimal
64ided
36
Base36
bwfzp
md5
5da1b1dd781e9ee056b408f1b22df9f9
sha1
87a0490490a1cd3b1ae9c941048671bc6fef6cf2
sha256
445caac5b1a95f2e67f247e3e97244a8ac873a5b0af1ca06f6ad3e9ecf12a6ad
sha512
13f5803445d845efb5a16f6f26d02742f9dc16c6d186ad0109e1cff56e38a2082fbfb28afd9cea8a372595fc8232ba81850244e50f55856bc695687bbcacf623
ripemd-160
58714e036e5983ed49ce65051f2f4ccc242db161
Diameter
39978986
Circumference
125597688.71557
Area
1.255317059698E+15
Volume
3.3457535436819E+22
Surface area
5.0212682387921E+15
Circumference
125597688.71557
Perimeter
79957972
Area
399579830397049
Diagonal
28269412.105562
Surface area
2397478982382294
Volume
7.987398222663E+21
Space diagonal
34622817.493542
Perimeter
59968479
Area
1.7302314198186E+14
Altitude
17311408.746771
Surface area
1.7302314198186E+14
Volume
9.413239078804E+20
Height
9423137.3685207