19869969 is an odd 8-digits composite number following 19869968
and preceding 19869970 . In scientific notation, it is written as 1.9869969 × 10^7.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 11300688 positive integers (up to 19869969) that are relatively prime to 19869969.
19869969 has 16 divisors, whose sum is 30420992
The reverse of 19869969 is 96996891
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
nineteen million eight hundred sixty-nine thousand nine hundred sixty-nine
Scientific notation
1.9869969 × 10^7
Engineering notation
1.9869969 × 10^6
Prime Factorization
3 × 7 × 223 × 4243
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19869969
Product of the distinct prime numbers
The prime factorization of 19869969 is 3 × 7 × 223 × 4243.
Since it has a total of 4 prime factors.
9 , 2 , 6 , 16 , 60 , 41 , 4389 , 2233 , 29423 , 90756 , 476623 , 749365 , 4090567 , 8953106 , 80111772 , 60523260 , 941773290 , 716624635 , 4716670707 , 5587611597
n×2
39739938
n×3
59609907
n×4
79479876
n×5
99349845
n÷2
9934984.5
n÷3
6623323
n÷3
4967492.25
n÷5
3973993.8
n2
394815668060961
n3
7.8449750850856E+21
n4
1.5587941174642E+29
n5
3.0973190791397E+36
2 √n
4457.5743403784
3 √n
270.85221809671
4 √n
66.765068264613
5 √n
28.816381020453
1 , 3 , 7 , 21 , 223 , 669 , 1561 , 4243 , 4683 , 12729 , 29701 , 89103 , 946189 , 2838567 , 6623323 , 19869969
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
-19869968
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 19869969 can be divided by 16 positive divisors.
The sum of these divisors (counting 19869969) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011110011000100010001
3
Ternary
1101101111110210
4
Quaternary
1023303010101
5
Quinary
20041314334
6
Senary
1545514333
8
Octal
113630421
10
Decimal
19869969
12
Duodecimal
67a29a9
16
Hexadecimal
12f3111
20
Vigesimal
643ei9
36
Base36
btvrl
md5
6385ca952b7c3134f314c1f9608702e8
sha1
ac3d835678a47ff8083770b9dd294eb9a5dfbe09
sha256
28714df1fd2dd1825f8ed79b1e54ae4a0bd7d2187f3bcbbb811552969e15dae8
sha512
4bfbb08c0455cea7b6fd32aa393c8267f8aaf7997c9b5f0d097ecedcf80e5eda26fab6cb9299ff79457d769539a8b49c1f27bf939b8a572632da30490935654d
ripemd-160
95b2a4102b45da3744c231c2d67547c20209b011
Diameter
39739938
Circumference
124846697.27491
Area
1.2403500023025E+15
Volume
3.28609547932E+22
Surface area
4.9614000092098E+15
Circumference
124846697.27491
Perimeter
79479876
Area
394815668060961
Diagonal
28100379.643733
Surface area
2368894008365766
Volume
7.8449750850856E+21
Space diagonal
34415795.852819
Perimeter
59609907
Area
1.7096019917646E+14
Altitude
17207897.926409
Surface area
1.7096019917646E+14
Volume
9.2453918015059E+20
Height
9366793.2145777