19809906 is an even 8-digits composite number following 19809905
and preceding 19809907 . In scientific notation, it is written as 1.9809906 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 6568704 positive integers (up to 19809906) that are relatively prime to 19809906.
19809906 has 16 divisors, whose sum is 39827424
The reverse of 19809906 is 60990891
Previous prime number is 193
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
nineteen million eight hundred nine thousand nine hundred six
Scientific notation
1.9809906 × 10^7
Engineering notation
1.9809906 × 10^6
Prime Factorization
2 × 3 × 193 × 17107
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19809906
Product of the distinct prime numbers
The prime factorization of 19809906 is 2 × 3 × 193 × 17107.
Since it has a total of 4 prime factors.
1 , 3 , 50 , 97 , 259 , 472 , 9226 , 4906 , 84798 , 50097 , 91907 , 559366 , 9189809 , 1089107 , 64732005 , 10570328 , 448813520 , 859781179 , 6497515300 , 3974807090
n×2
39619812
n×3
59429718
n×4
79239624
n×5
99049530
n÷2
9904953
n÷3
6603302
n÷3
4952476.5
n÷5
3961981.2
n2
392432375728836
n3
7.7740484745449E+21
n4
1.5400316952018E+29
n5
3.0507883118968E+36
2 √n
4450.8320570428
3 √n
270.57903169148
4 √n
66.71455656034
5 √n
28.798938669721
1 , 2 , 3 , 6 , 193 , 386 , 579 , 1158 , 17107 , 34214 , 51321 , 102642 , 3301651 , 6603302 , 9904953 , 19809906
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19809905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19809906 can be divided by 16 positive divisors.
The sum of these divisors (counting 19809906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011100100011001110010
3
Ternary
1101021110002020
4
Quaternary
1023210121302
5
Quinary
20032404111
6
Senary
1544332310
8
Octal
113443162
10
Decimal
19809906
12
Duodecimal
6774096
16
Hexadecimal
12e4672
20
Vigesimal
63g4f6
36
Base36
bslf6
md5
1bd460c3f004192bc4da029dab70061e
sha1
57cd0af1689308b5f70bbba8d564b96b63af277b
sha256
69c7b120c9c74f753fe89cb085e04bfcd26915c6e36353a0d5ea127b9621a0f2
sha512
5368b74ad58df4ed270f974e43f228c4f29449bec484198f18995068775cbbb80371166cddeb8081c0e6997b96c36e5eb273e4c670e9f0378ab27ad625124f10
ripemd-160
171cbcc3e63c0d0542ad1fd0bc37b4c9011ba0f7
Diameter
39619812
Circumference
124469310.31581
Area
1.2328626686205E+15
Volume
3.2563858101708E+22
Surface area
4.931450674482E+15
Circumference
124469310.31581
Perimeter
79239624
Area
392432375728836
Diagonal
28015437.734536
Surface area
2354594254373016
Volume
7.7740484745449E+21
Space diagonal
34311763.685164
Perimeter
59429718
Area
1.6992820332433E+14
Altitude
17155881.842582
Surface area
1.6992820332433E+14
Volume
9.1618039893728E+20
Height
9338479.2448454