19906789 is an odd 8-digits composite number following 19906788
and preceding 19906790 . In scientific notation, it is written as 1.9906789 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 16473408 positive integers (up to 19906789) that are relatively prime to 19906789.
19906789 has 12 divisors, whose sum is 23957100
The reverse of 19906789 is 98760991
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million nine hundred six thousand seven hundred eighty-nine
Scientific notation
1.9906789 × 10^7
Engineering notation
1.9906789 × 10^6
Prime Factorization
7 × 7 × 29 × 14009
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2843827
Product of the distinct prime numbers
The prime factorization of 19906789 is 7 × 7 × 29 × 14009.
Since it has a total of 4 prime factors.
5 , 4 , 57 , 53 , 191 , 859 , 8481 , 7787 , 28669 , 30567 , 701077 , 592520 , 4165367 , 8348761 , 66793942 , 60969317 , 526714638 , 271455543 , 8693160152 , 3106758743
n×2
39813578
n×3
59720367
n×4
79627156
n×5
99533945
n÷2
9953394.5
n÷3
6635596.3333333
n÷3
4976697.25
n÷5
3981357.8
n2
396280248290521
n3
7.888667287587E+21
n4
1.570380351852E+29
n5
3.1261230314063E+36
2 √n
4461.7024777544
3 √n
271.01941555589
4 √n
66.795976508727
5 √n
28.827052738912
1 , 7 , 29 , 49 , 203 , 1421 , 14009 , 98063 , 406261 , 686441 , 2843827 , 19906789
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19906788
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19906789 can be divided by 12 positive divisors.
The sum of these divisors (counting 19906789) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001011111100000011100101
3
Ternary
1101110100222111
4
Quaternary
1023330003211
5
Quinary
20044004124
6
Senary
1550401021
8
Octal
113740345
10
Decimal
19906789
12
Duodecimal
6800171
16
Hexadecimal
12fc0e5
20
Vigesimal
6486j9
36
Base36
buo6d
md5
dae0c52786679416c015418adbb300c8
sha1
c8cd0e32250dab304940a686104920244f7147ac
sha256
4b55c3056bf40adb339579dbcb91a6b4ff1590be50749c2e6a9f850017ee84e1
sha512
2ce991a9c88e00e604061222ba58e7117dc625e90763209f71fb199d84f37ca33e791b5942e9ff52e3f51c1fc6a2d65f56edca017616748baeb8c0772b572702
ripemd-160
313c8e62e3146184a1e0fc0a893627f93cb21524
Diameter
39813578
Circumference
125078044.15792
Area
1.2449511167922E+15
Volume
3.3043972263063E+22
Surface area
4.979804467169E+15
Circumference
125078044.15792
Perimeter
79627156
Area
396280248290521
Diagonal
28152450.9871
Surface area
2377681489743126
Volume
7.888667287587E+21
Space diagonal
34479569.963553
Perimeter
59720367
Area
1.715943810188E+14
Altitude
17239784.981777
Surface area
1.715943810188E+14
Volume
9.2968835559621E+20
Height
9384150.3290332