19906490 is an even 8-digits composite number following 19906489
and preceding 19906491 . In scientific notation, it is written as 1.9906490 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 7098624 positive integers (up to 19906490) that are relatively prime to 19906490.
19906490 has 16 divisors, whose sum is 31806240
The reverse of 19906490 is 09460991
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
nineteen million nine hundred six thousand four hundred ninety
Scientific notation
1.9906490 × 10^7
Engineering notation
1.9906490 × 10^6
Prime Factorization
2 × 85 × 19 × 6163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19906490
Product of the distinct prime numbers
The prime factorization of 19906490 is 2 × 85 × 19 × 6163.
Since it has a total of 4 prime factors.
9 , 7 , 39 , 59 , 736 , 665 , 3324 , 1893 , 62917 , 30536 , 727635 , 233536 , 8176936 , 287880 , 96491242 , 33727904 , 761790942 , 74621112 , 1822245585 , 4688893957
n×2
39812980
n×3
59719470
n×4
79625960
n×5
99532450
n÷2
9953245
n÷3
6635496.6666667
n÷3
4976622.5
n÷5
3981298
n2
396268344120100
n3
7.8883118295433E+21
n4
1.5702860055169E+29
n5
3.1258882665961E+36
2 √n
4461.6689702397
3 √n
271.01805864509
4 √n
66.795725688398
5 √n
28.826966141917
1 , 2 , 19 , 38 , 85 , 170 , 1615 , 3230 , 6163 , 12326 , 117097 , 234194 , 523855 , 1047710 , 9953245 , 19906490
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
-19906489
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 19906490 can be divided by 16 positive divisors.
The sum of these divisors (counting 19906490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011111011111110111010
3
Ternary
1101110100120102
4
Quaternary
1023323332322
5
Quinary
20044001430
6
Senary
1550355402
8
Octal
113737672
10
Decimal
19906490
12
Duodecimal
67bbb62
16
Hexadecimal
12fbfba
20
Vigesimal
64864a
36
Base36
buny2
md5
4b797cafc1f8f1e4af548af6702152db
sha1
1eaa658ce49f0a17fee804b0ae88b8bbfc8ba6fd
sha256
abb5412eb55eed598d974d4bbbe51315208902b1909c5c1d933c59ec721d4a03
sha512
c3425b55f334b0f62909ac3a80438f26d6053958af954f37f47fd9c5173deeb9db6c2a31a3e20761f970f5f550d094f52ec44d88d7bad40c99dd41f9f724e2ff
ripemd-160
472040a73650646b50e324624c26d36e3078c386
Diameter
39812980
Circumference
125076165.48552
Area
1.2449137187379E+15
Volume
3.3042483323892E+22
Surface area
4.9796548749516E+15
Circumference
125076165.48552
Perimeter
79625960
Area
396268344120100
Diagonal
28152028.137244
Surface area
2377610064720600
Volume
7.8883118295433E+21
Space diagonal
34479052.080362
Perimeter
59719470
Area
1.715892263618E+14
Altitude
17239526.040181
Surface area
1.715892263618E+14
Volume
9.2964646446403E+20
Height
9384009.3790815