18782972 is an even 8-digits composite number following 18782971
and preceding 18782973 . In scientific notation, it is written as 1.8782972 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 8669040 positive integers (up to 18782972) that are relatively prime to 18782972.
18782972 has 12 divisors, whose sum is 35398776
The reverse of 18782972 is 27928781
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighteen million seven hundred eighty-two thousand nine hundred seventy-two
Scientific notation
1.8782972 × 10^7
Engineering notation
1.8782972 × 10^6
Prime Factorization
2 × 2 × 13 × 361211
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9391486
Product of the distinct prime numbers
The prime factorization of 18782972 is 2 × 2 × 13 × 361211.
Since it has a total of 4 prime factors.
5 , 4 , 76 , 17 , 819 , 424 , 2952 , 1455 , 5073 , 1492 , 312408 , 821254 , 4338838 , 5386231 , 84280732 , 50945529 , 479209071 , 58119644 , 1574042923 , 6774893753
n×2
37565944
n×3
56348916
n×4
75131888
n×5
93914860
n÷2
9391486
n÷3
6260990.6666667
n÷3
4695743
n÷5
3756594.4
n2
352800037152784
n3
6.6266332194397E+21
n4
1.2446786621501E+29
n5
2.3378764460162E+36
2 √n
4333.9326252262
3 √n
265.82027545215
4 √n
65.83261065176
5 √n
28.493963406374
1 , 2 , 4 , 13 , 26 , 52 , 361211 , 722422 , 1444844 , 4695743 , 9391486 , 18782972
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
-18782971
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 18782972 can be divided by 12 positive divisors.
The sum of these divisors (counting 18782972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000111101001101011111100
3
Ternary
1022100021101122
4
Quaternary
1013221223330
5
Quinary
14302023342
6
Senary
1510330112
8
Octal
107515374
10
Decimal
18782972
12
Duodecimal
6359938
16
Hexadecimal
11e9afc
20
Vigesimal
5h7h8c
36
Base36
b6l18
md5
37373647719e823faba832a8a178896a
sha1
536ba45ea4552651fcb64d1aeb70d6bab75c6453
sha256
5b053c8cb39589ad597ae1a97d67047d01c815b3f7dc8aa4673abf86505386ef
sha512
69023d25dcade46863cabd1404b6ae9e07f1682469a03bc11eee0e67be09c8bee93544f47890ae2c395dfb1377b4a9552362c65bdfd68d2abd1710586bd8c3d8
ripemd-160
f6089163e8f4e3bab1a41146228966dfe1c6249b
Diameter
37565944
Circumference
118016893.69557
Area
1.1083540049054E+15
Volume
2.7757576320301E+22
Surface area
4.4334160196216E+15
Circumference
118016893.69557
Perimeter
75131888
Area
352800037152784
Diagonal
26563133.744074
Surface area
2116800222916704
Volume
6.6266332194397E+21
Space diagonal
32533061.821144
Perimeter
56348916
Area
1.527668973152E+14
Altitude
16266530.910572
Surface area
1.527668973152E+14
Volume
7.8095621431698E+20
Height
8854377.9146914