18972012 is an even 8-digits composite number following 18972011
and preceding 18972013 . In scientific notation, it is written as 1.8972012 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 6169600 positive integers (up to 18972012) that are relatively prime to 18972012.
18972012 has 24 divisors, whose sum is 45348912
The reverse of 18972012 is 21027981
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighteen million nine hundred seventy-two thousand twelve
Scientific notation
1.8972012 × 10^7
Engineering notation
1.8972012 × 10^6
Prime Factorization
2 × 2 × 3 × 41 × 38561
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9486006
Product of the distinct prime numbers
The prime factorization of 18972012 is 2 × 2 × 3 × 41 × 38561.
Since it has a total of 5 prime factors.
9 , 3 , 68 , 15 , 300 , 198 , 5832 , 3616 , 31551 , 99028 , 231679 , 913286 , 3725653 , 100453 , 36060979 , 5334419 , 198872291 , 646590947 , 609794395 , 3748401674
n×2
37944024
n×3
56916036
n×4
75888048
n×5
94860060
n÷2
9486006
n÷3
6324004
n÷3
4743003
n÷5
3794402.4
n2
359937239328144
n3
6.8287336237804E+21
n4
1.2955481625517E+29
n5
2.4579155286508E+36
2 √n
4355.6873166011
3 √n
266.70907728244
4 √n
65.997631143861
5 √n
28.551089020437
1 , 2 , 3 , 4 , 6 , 12 , 41 , 82 , 123 , 164 , 246 , 492 , 38561 , 77122 , 115683 , 154244 , 231366 , 462732 , 1581001 , 3162002 , 4743003 , 6324004 , 9486006 , 18972012
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18972011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18972012 can be divided by 24 positive divisors.
The sum of these divisors (counting 18972012) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001000010111110101101100
3
Ternary
1022200212201010
4
Quaternary
1020113311230
5
Quinary
14324101022
6
Senary
1514345220
8
Octal
110276554
10
Decimal
18972012
12
Duodecimal
642b210
16
Hexadecimal
1217d6c
20
Vigesimal
5iba0c
36
Base36
bamwc
md5
a420e2cd7af4cb0c2c889cab14cb75a4
sha1
7f95fef93e558d094e6a3fc0833695d60e592173
sha256
7fd907687539443aa4d76ce3592fb38cbad725d773e8da219634e7fd1560121b
sha512
713d27c5d8e4d33900b22a004b5554d1418826b44e81d389dd5a7fa77b0f44651cbc5a23bca27ed8324d8a184b98b51f4161bdde28e392fe985fa59ba5793565
ripemd-160
2435fabefcdfb44860ca7eee805453b7d2e92af1
Diameter
37944024
Circumference
119204667.04603
Area
1.1307761868267E+15
Volume
2.8604132514387E+22
Surface area
4.5231047473068E+15
Circumference
119204667.04603
Perimeter
75888048
Area
359937239328144
Diagonal
26830476.675905
Surface area
2159623435968864
Volume
6.8287336237804E+21
Space diagonal
32860488.705806
Perimeter
56916036
Area
1.5585739651311E+14
Altitude
16430244.352903
Surface area
1.5585739651311E+14
Volume
8.0477397538195E+20
Height
8943492.2253017