18707980 is an even 8-digits composite number following 18707979
and preceding 18707981 . In scientific notation, it is written as 1.8707980 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 7483184 positive integers (up to 18707980) that are relatively prime to 18707980.
18707980 has 12 divisors, whose sum is 39286800
The reverse of 18707980 is 08970781
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million seven hundred seven thousand nine hundred eighty
Scientific notation
1.8707980 × 10^7
Engineering notation
1.8707980 × 10^6
Prime Factorization
2 × 2 × 5 × 935399
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9353990
Product of the distinct prime numbers
The prime factorization of 18707980 is 2 × 2 × 5 × 935399.
Since it has a total of 4 prime factors.
5 , 5 , 43 , 96 , 277 , 194 , 4103 , 5975 , 58324 , 19520 , 294830 , 276070 , 4088742 , 7210889 , 39645893 , 89658237 , 179421445 , 810748503 , 3705147994 , 839654412
n×2
37415960
n×3
56123940
n×4
74831920
n×5
93539900
n÷2
9353990
n÷3
6235993.3333333
n÷3
4676995
n÷5
3741596
n2
349988515680400
n3
6.5475781515786E+21
n4
1.2249196110817E+29
n5
2.2915771585724E+36
2 √n
4325.2722457667
3 √n
265.46603646726
4 √n
65.766802003494
5 √n
28.471174254084
1 , 2 , 4 , 5 , 10 , 20 , 935399 , 1870798 , 3741596 , 4676995 , 9353990 , 18707980
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
-18707979
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 18707980 can be divided by 12 positive divisors.
The sum of these divisors (counting 18707980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000111010111011000001100
3
Ternary
1022012110112011
4
Quaternary
1013113120030
5
Quinary
14242123410
6
Senary
1504551004
8
Octal
107273014
10
Decimal
18707980
12
Duodecimal
6322464
16
Hexadecimal
11d760c
20
Vigesimal
5gi9j0
36
Base36
b4z64
md5
8807ce046dfdefce4fe2f9af72b9d1e9
sha1
10cb78521026f7c5d4ee3e61145eb5bcc6de7fe5
sha256
1f07b222b672b60fad6b500c5dc74965058ee7d63d08af70b4bda273c9dc854e
sha512
abccb6adbed39d8ced2fc023256ab4e0d7bdd1832c40a926a3e2919d19eea377203acf25484dd624f187146a7460289b877db717684a1030d7ef399ccaa7d5cd
ripemd-160
527fc6bb0a6d0237e2fd6e0fc01edbd47d1bfa97
Diameter
37415960
Circumference
117545705.06301
Area
1.0995213497023E+15
Volume
2.7426431226406E+22
Surface area
4.3980853988094E+15
Circumference
117545705.06301
Perimeter
74831920
Area
349988515680400
Diagonal
26457079.040605
Surface area
2099931094082400
Volume
6.5475781515786E+21
Space diagonal
32403171.866982
Perimeter
56123940
Area
1.5154947280602E+14
Altitude
16201585.933491
Surface area
1.5154947280602E+14
Volume
7.7163948522169E+20
Height
8819026.3468682