19989405 is an odd 8-digits composite number following 19989404
and preceding 19989406 . In scientific notation, it is written as 1.9989405 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 10660992 positive integers (up to 19989405) that are relatively prime to 19989405.
19989405 has 8 divisors, whose sum is 28429440
The reverse of 19989405 is 50498991
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million nine hundred eighty-nine thousand four hundred five
Scientific notation
1.9989405 × 10^7
Engineering notation
1.9989405 × 10^6
Prime Factorization
3 × 15 × 444209
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19989405
Product of the distinct prime numbers
The prime factorization of 19989405 is 3 × 15 × 444209.
Since it has a total of 3 prime factors.
3 , 8 , 34 , 33 , 697 , 881 , 9460 , 2114 , 40589 , 86940 , 326651 , 833085 , 1316529 , 5750278 , 65119141 , 16889858 , 578860719 , 854403672 , 3865088470 , 9734802377
n×2
39978810
n×3
59968215
n×4
79957620
n×5
99947025
n÷2
9994702.5
n÷3
6663135
n÷3
4997351.25
n÷5
3997881
n2
399576312254025
n3
7.9872927340522E+21
n4
1.5966122931453E+29
n5
3.1915329755659E+36
2 √n
4470.9512410672
3 √n
271.39382110191
4 √n
66.865172108259
5 √n
28.850940389042
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
-19989404
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 19989405 can be divided by 8 positive divisors.
The sum of these divisors (counting 19989405) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010000001110011101
3
Ternary
1101121120022100
4
Quaternary
1030100032131
5
Quinary
20104130110
6
Senary
1552235313
8
Octal
114201635
10
Decimal
19989405
12
Duodecimal
683bb39
16
Hexadecimal
131039d
20
Vigesimal
64ida5
36
Base36
bwfx9
md5
1adfd61835efd51d3f425321187d223e
sha1
0b85ef3040cd56efc2a1b0a0ad1b0af734fd947e
sha256
e74f92b4826125e7645c9d591e6a68441d692c9eac0cc8c2ef7a602143c5d58d
sha512
2306f732a6d741b56710c809e6304a2e160335563a924cee0c2d093c5a42b7e936aa37c2ad42b3dcd647c70fe1b6c4a6a48fd0010406b7a5f23b31c1fcf17353
ripemd-160
70c71796a297dbfe55334e3dbda1c400623fb661
Diameter
39978810
Circumference
125597135.79526
Area
1.2553060071257E+15
Volume
3.3457093567159E+22
Surface area
5.021224028503E+15
Circumference
125597135.79526
Perimeter
79957620
Area
399576312254025
Diagonal
28269287.654769
Surface area
2397457873524150
Volume
7.9872927340522E+21
Space diagonal
34622665.073071
Perimeter
59968215
Area
1.7302161858124E+14
Altitude
17311332.536536
Surface area
1.7302161858124E+14
Volume
9.4131147592839E+20
Height
9423095.8849229