19985916 is an even 8-digits composite number following 19985915
and preceding 19985917 . In scientific notation, it is written as 1.9985916 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors.
There are 6661968 positive integers (up to 19985916) that are relatively prime to 19985916.
19985916 has 12 divisors, whose sum is 46633832
The reverse of 19985916 is 61958991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
nineteen million nine hundred eighty-five thousand nine hundred sixteen
Scientific notation
1.9985916 × 10^7
Engineering notation
1.9985916 × 10^6
Prime Factorization
2 × 2 × 3 × 1665493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9992958
Product of the distinct prime numbers
The prime factorization of 19985916 is 2 × 2 × 3 × 1665493.
Since it has a total of 4 prime factors.
2 , 2 , 13 , 50 , 488 , 459 , 9676 , 8164 , 70752 , 54049 , 270702 , 695470 , 1023561 , 1131948 , 88508410 , 4465304 , 296748506 , 899631070 , 7941066612 , 1287326965
n×2
39971832
n×3
59957748
n×4
79943664
n×5
99929580
n÷2
9992958
n÷3
6661972
n÷3
4996479
n÷5
3997183.2
n2
399436838359056
n3
7.9831110987497E+21
n4
1.5954978783828E+29
n5
3.1887486575537E+36
2 √n
4470.561038617
3 √n
271.37803026775
4 √n
66.862254214295
5 √n
28.849933175875
1 , 2 , 3 , 4 , 6 , 12 , 1665493 , 3330986 , 4996479 , 6661972 , 9992958 , 19985916
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
-19985915
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 19985916 can be divided by 12 positive divisors.
The sum of these divisors (counting 19985916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100001111010111111100
3
Ternary
1101121101112010
4
Quaternary
1030033113330
5
Quinary
20104022131
6
Senary
1552211220
8
Octal
114172774
10
Decimal
19985916
12
Duodecimal
6839b10
16
Hexadecimal
130f5fc
20
Vigesimal
64i4fg
36
Base36
bwd8c
md5
0faf67109af3ac9c1ec760c1d6add1db
sha1
b1f65ea770ba82772b3d9119d921fac1c52ca58a
sha256
46340a26bcb0f06ce87747cf5474ee1a5d4168476b7bfc2092dad72fb066bde7
sha512
489e5b1349d5b9dbf329a1b38dfa75593e1f01e1dfebe5fb43a86354d7eca41ef013ef84dd05d5ede491134b257c6c72af9615796051f01d06ada4cd1fc3ed72
ripemd-160
4f9eeb045a4318ee3181950e27e8db5c72fb779d
Diameter
39971832
Circumference
125575213.76173
Area
1.2548678369619E+15
Volume
3.3439577574164E+22
Surface area
5.0194713478478E+15
Circumference
125575213.76173
Perimeter
79943664
Area
399436838359056
Diagonal
28264353.463649
Surface area
2396621030154336
Volume
7.9831110987497E+21
Space diagonal
34616621.947804
Perimeter
59957748
Area
1.7296122461314E+14
Altitude
17308310.973902
Surface area
1.7296122461314E+14
Volume
9.4081866548191E+20
Height
9421451.1545498