19904818 is an even 8-digits composite number following 19904817
and preceding 19904819 . In scientific notation, it is written as 1.9904818 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors.
There are 9422100 positive integers (up to 19904818) that are relatively prime to 19904818.
19904818 has 16 divisors, whose sum is 31537440
The reverse of 19904818 is 81840991
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
nineteen million nine hundred four thousand eight hundred eighteen
Scientific notation
1.9904818 × 10^7
Engineering notation
1.9904818 × 10^6
Prime Factorization
2 × 19 × 19 × 19 × 1451
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
55138
Product of the distinct prime numbers
The prime factorization of 19904818 is 2 × 19 × 19 × 19 × 1451.
Since it has a total of 5 prime factors.
1 , 8 , 68 , 11 , 438 , 351 , 6133 , 1659 , 28855 , 76925 , 671507 , 667146 , 5216974 , 1595068 , 61674944 , 64607645 , 772008515 , 836725166 , 6080872656 , 5354970918
n×2
39809636
n×3
59714454
n×4
79619272
n×5
99524090
n÷2
9952409
n÷3
6634939.3333333
n÷3
4976204.5
n÷5
3980963.6
n2
396201779613124
n3
7.8863243144753E+21
n4
1.5697585016861E+29
n5
3.1245757280014E+36
2 √n
4461.4815924758
3 √n
271.01047058576
4 √n
66.794323055749
5 √n
28.826481874657
1 , 2 , 19 , 38 , 361 , 722 , 1451 , 2902 , 6859 , 13718 , 27569 , 55138 , 523811 , 1047622 , 9952409 , 19904818
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
-19904817
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 19904818 can be divided by 16 positive divisors.
The sum of these divisors (counting 19904818) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011111011100100110010
3
Ternary
1101110021021111
4
Quaternary
1023323210302
5
Quinary
20043423233
6
Senary
1550343534
8
Octal
113734462
10
Decimal
19904818
12
Duodecimal
67babaa
16
Hexadecimal
12fb932
20
Vigesimal
64820i
36
Base36
bumnm
md5
c1442500c64fb1f2e99100701e7f68fb
sha1
a2ed9cb808785336184cb67394b0bedfebe41748
sha256
58a9449040f172eff055b34a0fa7fce2e029245d08f4b6b7e2a2dc9334883d70
sha512
e468a980742478eb2eec33125af86831d54ee4a76e4512e48bd292bcce5b577a57035f9563cf3641ea1403ed51c32a5ecfcca8d1803c303c4e549c1fff6e7ef5
ripemd-160
3cb90ec484ae5bf935d7f32c0036117e4ec0a9c4
Diameter
39809636
Circumference
125065659.99968
Area
1.2447046001718E+15
Volume
3.3034158040243E+22
Surface area
4.9788184006872E+15
Circumference
125065659.99968
Perimeter
79619272
Area
396201779613124
Diagonal
28149663.572168
Surface area
2377210677678744
Volume
7.8863243144753E+21
Space diagonal
34476156.091412
Perimeter
59714454
Area
1.7156040308478E+14
Altitude
17238078.045706
Surface area
1.7156040308478E+14
Volume
9.2941223356698E+20
Height
9383221.1907227