19989898 is an even 8-digits composite number following 19989897
and preceding 19989899 . In scientific notation, it is written as 1.9989898 × 10^7.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 9560364 positive integers (up to 19989898) that are relatively prime to 19989898.
19989898 has 8 divisors, whose sum is 31288608
The reverse of 19989898 is 89898991
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 61
Digital Root 7
Name
nineteen million nine hundred eighty-nine thousand eight hundred ninety-eight
Scientific notation
1.9989898 × 10^7
Engineering notation
1.9989898 × 10^6
Prime Factorization
2 × 23 × 434563
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19989898
Product of the distinct prime numbers
The prime factorization of 19989898 is 2 × 23 × 434563.
Since it has a total of 3 prime factors.
7 , 4 , 37 , 37 , 452 , 362 , 2580 , 3640 , 71748 , 57315 , 702580 , 665986 , 6012451 , 657572 , 78526679 , 11130873 , 779854832 , 647234235 , 2238622312 , 9029410121
n×2
39979796
n×3
59969694
n×4
79959592
n×5
99949490
n÷2
9994949
n÷3
6663299.3333333
n÷3
4997474.5
n÷5
3997979.6
n2
399596022050404
n3
7.9878837219933E+21
n4
1.5967698083851E+29
n5
3.1919265599097E+36
2 √n
4471.0063744083
3 √n
271.39605221808
4 √n
66.865584379472
5 √n
28.851082698163
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
-19989897
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 19989898 can be divided by 8 positive divisors.
The sum of these divisors (counting 19989898) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010000010110001010
3
Ternary
1101121120222121
4
Quaternary
1030100112022
5
Quinary
20104134043
6
Senary
1552241454
8
Octal
114202612
10
Decimal
19989898
12
Duodecimal
684028a
16
Hexadecimal
131058a
20
Vigesimal
64ieei
36
Base36
bwgay
md5
1897bb0a8e025b26186a690f3e81ae66
sha1
6d09e3c39f71c6631fe9517017651b947c3bf0dd
sha256
8c75fdca3e9f4d71247e95c3c563e8f49648e4efb1a46e3008a73bcea915dcfb
sha512
41d88884a8437614d546ecf5406cf8fcd7c59227f264cff2af5911028a019eecc676b05604873aa387e7c64c40c648768ff45744ae88da23f060a45aeb89a286
ripemd-160
4e4b34648fa1a7281872ec26cd7c4f0283f64e01
Diameter
39979796
Circumference
125600233.40562
Area
1.2553679272773E+15
Volume
3.3459569091658E+22
Surface area
5.021471709109E+15
Circumference
125600233.40562
Perimeter
79959592
Area
399596022050404
Diagonal
28269984.862055
Surface area
2397576132302424
Volume
7.9878837219933E+21
Space diagonal
34623518.974119
Perimeter
59969694
Area
1.7303015317343E+14
Altitude
17311759.48706
Surface area
1.7303015317343E+14
Volume
9.4138112452519E+20
Height
9423328.2873516