18156980 is an even 8-digits composite number following 18156979
and preceding 18156981 . In scientific notation, it is written as 1.8156980 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 7262784 positive integers (up to 18156980) that are relatively prime to 18156980.
18156980 has 12 divisors, whose sum is 38129700
The reverse of 18156980 is 08965181
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million one hundred fifty-six thousand nine hundred eighty
Scientific notation
1.8156980 × 10^7
Engineering notation
1.8156980 × 10^6
Prime Factorization
2 × 2 × 5 × 907849
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9078490
Product of the distinct prime numbers
The prime factorization of 18156980 is 2 × 2 × 5 × 907849.
Since it has a total of 4 prime factors.
1 , 10 , 63 , 81 , 544 , 687 , 2079 , 4168 , 44155 , 64559 , 391524 , 325341 , 2086908 , 7348725 , 50632870 , 37651044 , 509638714 , 828714702 , 7036990767 , 4714494707
n×2
36313960
n×3
54470940
n×4
72627920
n×5
90784900
n÷2
9078490
n÷3
6052326.6666667
n÷3
4539245
n÷5
3631396
n2
329675922720400
n3
5.9859191353158E+21
n4
1.0868621402155E+29
n5
1.973413414265E+36
2 √n
4261.1007967426
3 √n
262.83379456626
4 √n
65.277107754117
5 √n
28.301452362152
1 , 2 , 4 , 5 , 10 , 20 , 907849 , 1815698 , 3631396 , 4539245 , 9078490 , 18156980
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
-18156979
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 18156980 can be divided by 12 positive divisors.
The sum of these divisors (counting 18156980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000101010000110110110100
3
Ternary
1021011110200202
4
Quaternary
1011100312310
5
Quinary
14122010410
6
Senary
1445100032
8
Octal
105206664
10
Decimal
18156980
12
Duodecimal
60b7618
16
Hexadecimal
1150db4
20
Vigesimal
5d9c90
36
Base36
at60k
md5
7433e52915da86b0d07b96111a67fe33
sha1
4cc4e7a2d61c3dc4c952d06e5f335d7d646a7427
sha256
cde48742b6b250d981897baeedbcf9ffba338c8c187ef184dc4f98aaac205feb
sha512
90b88a64e85302797217e367dc134eb4715ce7b0aaef10888752344aab9562d69eaa99cb942bf11aab8448510a98910d826613ac4ccf987d51fb21a5dc97a61f
ripemd-160
905efe9649edc111bdecc8a11cd0ea395dc875b9
Diameter
36313960
Circumference
114083669.95875
Area
1.0357074568838E+15
Volume
2.5073759440654E+22
Surface area
4.1428298275354E+15
Circumference
114083669.95875
Perimeter
72627920
Area
329675922720400
Diagonal
25677847.367737
Surface area
1978055536322400
Volume
5.9859191353158E+21
Space diagonal
31448811.872012
Perimeter
54470940
Area
1.4275386204597E+14
Altitude
15724405.936006
Surface area
1.4275386204597E+14
Volume
7.0544733536936E+20
Height
8559282.4559123