19788908 is an even 8-digits composite number following 19788907
and preceding 19788909 . In scientific notation, it is written as 1.9788908 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 9831120 positive integers (up to 19788908) that are relatively prime to 19788908.
19788908 has 12 divisors, whose sum is 34852272
The reverse of 19788908 is 80988791
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million seven hundred eighty-eight thousand nine hundred eight
Scientific notation
1.9788908 × 10^7
Engineering notation
1.9788908 × 10^6
Prime Factorization
2 × 2 × 157 × 31511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9894454
Product of the distinct prime numbers
The prime factorization of 19788908 is 2 × 2 × 157 × 31511.
Since it has a total of 4 prime factors.
4 , 2 , 20 , 34 , 37 , 956 , 5322 , 4503 , 81141 , 49227 , 999251 , 329623 , 4414144 , 2826844 , 50122309 , 74983017 , 102343185 , 124795347 , 6535234639 , 8504581784
n×2
39577816
n×3
59366724
n×4
79155632
n×5
98944540
n÷2
9894454
n÷3
6596302.6666667
n÷3
4947227
n÷5
3957781.6
n2
391600879832464
n3
7.7493537837237E+21
n4
1.5335124908556E+29
n5
3.0346537598392E+36
2 √n
4448.4725468412
3 √n
270.4833955798
4 √n
66.696870592564
5 √n
28.792830850001
1 , 2 , 4 , 157 , 314 , 628 , 31511 , 63022 , 126044 , 4947227 , 9894454 , 19788908
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
-19788907
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 19788908 can be divided by 12 positive divisors.
The sum of these divisors (counting 19788908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001011011111010001101100
3
Ternary
1101020101021112
4
Quaternary
1023133101230
5
Quinary
20031221113
6
Senary
1544051152
8
Octal
113372154
10
Decimal
19788908
12
Duodecimal
6763ab8
16
Hexadecimal
12df46c
20
Vigesimal
63dc58
36
Base36
bs57w
md5
16983a4cbc58fcb61b71cfde1caf3ba0
sha1
69321ab3b4a424cca72d037a23ce92c94a0fcbcb
sha256
aa54491cc05fe8152ba26c05fbf9cb9f5291759b3d7db9ea1f28934c7aa1df14
sha512
14e795aeb2ce56d146b7118029bea12e40d90daf0b59117cb0c4204a30b75e909121d705f06a988333659a9021d2c84f93bd1e8c9b2bbaceeffc029bf884f079
ripemd-160
040ac25db7c731edd53fd2fb7cac365aee23e3eb
Diameter
39577816
Circumference
124337375.99073
Area
1.230250447221E+15
Volume
3.2460417222686E+22
Surface area
4.9210017888839E+15
Circumference
124337375.99073
Perimeter
79155632
Area
391600879832464
Diagonal
27985742.078153
Surface area
2349605278994784
Volume
7.7493537837237E+21
Space diagonal
34275394.082306
Perimeter
59366724
Area
1.6956815503963E+14
Altitude
17137697.041153
Surface area
1.6956815503963E+14
Volume
9.1327010171411E+20
Height
9328580.6927178