19902904 is an even 8-digits composite number following 19902903
and preceding 19902905 . In scientific notation, it is written as 1.9902904 × 10^7.
The sum of its digits is 34. It has a total of 6 prime factors and 32 positive divisors.
There are 8493696 positive integers (up to 19902904) that are relatively prime to 19902904.
19902904 has 32 divisors, whose sum is 42829920
The reverse of 19902904 is 40920991
Previous prime number is 293
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
nineteen million nine hundred two thousand nine hundred four
Scientific notation
1.9902904 × 10^7
Engineering notation
1.9902904 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 293 × 1213
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4975726
Product of the distinct prime numbers
The prime factorization of 19902904 is 2 × 2 × 2 × 7 × 293 × 1213.
Since it has a total of 6 prime factors.
9 , 9 , 15 , 89 , 449 , 386 , 7932 , 6324 , 14897 , 99122 , 973877 , 372213 , 4160330 , 8857625 , 67146989 , 3186447 , 274984175 , 39705643 , 3470033555 , 2876339552
n×2
39805808
n×3
59708712
n×4
79611616
n×5
99514520
n÷2
9951452
n÷3
6634301.3333333
n÷3
4975726
n÷5
3980580.8
n2
396125587633216
n3
7.8840495426075E+21
n4
1.5691548117776E+29
n5
3.1230737579948E+36
2 √n
4461.2670845848
3 √n
271.00178373303
4 √n
66.792717302
5 √n
28.825927476134
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 293 , 586 , 1172 , 1213 , 2051 , 2344 , 2426 , 4102 , 4852 , 8204 , 8491 , 9704 , 16408 , 16982 , 33964 , 67928 , 355409 , 710818 , 1421636 , 2487863 , 2843272 , 4975726 , 9951452 , 19902904
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19902903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19902904 can be divided by 32 positive divisors.
The sum of these divisors (counting 19902904) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001011111011000110111000
3
Ternary
1101110011122121
4
Quaternary
1023323012320
5
Quinary
20043343104
6
Senary
1550331024
8
Octal
113730670
10
Decimal
19902904
12
Duodecimal
67b9a74
16
Hexadecimal
12fb1b8
20
Vigesimal
647h54
36
Base36
bul6g
md5
396dd17cc7cf6d3f3eef3f5f4ea2209f
sha1
fb23725456b24d43933f39cb97dbe913a6c55faf
sha256
cd69a7c3d80f5b05913631be24afd082f5c021b7528ae32f2c1d3d3f93de5e43
sha512
673e3fe9d6665fc1b3cf5bd2d3016ca6e9801404b882bd769c49c47bf3b8745c7c81006b4b97f3408d161caf3f051c58c564a393c20896b86f9e685ecfa10b07
ripemd-160
4566213a38eb6bb38a6fee47686508052276eee0
Diameter
39805808
Circumference
125053633.98301
Area
1.2444652360075E+15
Volume
3.3024629498125E+22
Surface area
4.9778609440298E+15
Circumference
125053633.98301
Perimeter
79611616
Area
396125587633216
Diagonal
28146956.76741
Surface area
2376753525799296
Volume
7.8840495426075E+21
Space diagonal
34472840.946166
Perimeter
59708712
Area
1.715274109897E+14
Altitude
17236420.473083
Surface area
1.715274109897E+14
Volume
9.2914414913141E+20
Height
9382318.9224699