19902440 is an even 8-digits composite number following 19902439
and preceding 19902441 . In scientific notation, it is written as 1.9902440 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors.
There are 7960960 positive integers (up to 19902440) that are relatively prime to 19902440.
19902440 has 16 divisors, whose sum is 44780580
The reverse of 19902440 is 04420991
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
nineteen million nine hundred two thousand four hundred forty
Scientific notation
1.9902440 × 10^7
Engineering notation
1.9902440 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 497561
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4975610
Product of the distinct prime numbers
The prime factorization of 19902440 is 2 × 2 × 2 × 5 × 497561.
Since it has a total of 5 prime factors.
6 , 5 , 41 , 99 , 553 , 844 , 512 , 4136 , 13776 , 58998 , 237561 , 168672 , 3738426 , 3741261 , 10066276 , 464932 , 805848043 , 700105430 , 915715504 , 4201060866
n×2
39804880
n×3
59707320
n×4
79609760
n×5
99512200
n÷2
9951220
n÷3
6634146.6666667
n÷3
4975610
n÷5
3980488
n2
396107117953600
n3
7.8834981486444E+21
n4
1.5690084889351E+29
n5
3.1227097310521E+36
2 √n
4461.2150811186
3 √n
270.99967774547
4 √n
66.792328010922
5 √n
28.825793070068
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 497561 , 995122 , 1990244 , 2487805 , 3980488 , 4975610 , 9951220 , 19902440
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
-19902439
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 19902440 can be divided by 16 positive divisors.
The sum of these divisors (counting 19902440) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011111010111111101000
3
Ternary
1101110011000102
4
Quaternary
1023322333220
5
Quinary
20043334230
6
Senary
1550324532
8
Octal
113727750
10
Decimal
19902440
12
Duodecimal
67b9748
16
Hexadecimal
12fafe8
20
Vigesimal
647g20
36
Base36
buktk
md5
1e868bb0bb2e6c4f7b0c6f5963bcc077
sha1
e00ed9e898a0f8bda27b61ca41bcbc5b6053b196
sha256
312125b2389ac9b3d795506b1b484e69d95d1f22053ca3471f84997bc9825817
sha512
3cbd6e0152451f6d0581157fa0d95225e0b5a7113370cc0dcb02f54565ed607bf559061b355a428869cdabc9d09ef4f5478594cbfba1e2c5b1a08d6a18c5825d
ripemd-160
deb0e6e68a3b8bd2eb4a4312a22442c6397d27b3
Diameter
39804880
Circumference
125050718.58502
Area
1.2444072117977E+15
Volume
3.3022319824493E+22
Surface area
4.9776288471906E+15
Circumference
125050718.58502
Perimeter
79609760
Area
396107117953600
Diagonal
28146300.572317
Surface area
2376642707721600
Volume
7.8834981486444E+21
Space diagonal
34472037.274591
Perimeter
59707320
Area
1.7151941338383E+14
Altitude
17236018.637296
Surface area
1.7151941338383E+14
Volume
9.2907916672968E+20
Height
9382100.1907723