18122011 is an odd 8-digits composite number following 18122010
and preceding 18122012 . In scientific notation, it is written as 1.8122011 × 10^7.
The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors.
There are 17395560 positive integers (up to 18122011) that are relatively prime to 18122011.
18122011 has 8 divisors, whose sum is 18857984
The reverse of 18122011 is 11022181
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
eighteen million one hundred twenty-two thousand eleven
Scientific notation
1.8122011 × 10^7
Engineering notation
1.8122011 × 10^6
Prime Factorization
31 × 127 × 4603
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18122011
Product of the distinct prime numbers
The prime factorization of 18122011 is 31 × 127 × 4603.
Since it has a total of 3 prime factors.
6 , 6 , 76 , 75 , 77 , 939 , 8738 , 4701 , 3731 , 66164 , 869882 , 238142 , 2113691 , 8061436 , 27969782 , 94273311 , 15485302 , 884886350 , 9537080231 , 6980292026
n×2
36244022
n×3
54366033
n×4
72488044
n×5
90610055
n÷2
9061005.5
n÷3
6040670.3333333
n÷3
4530502.75
n÷5
3624402.2
n2
328407282684121
n3
5.9514003892817E+21
n4
1.0785134331997E+29
n5
1.9544832300092E+36
2 √n
4256.9955367606
3 √n
262.66495331437
4 √n
65.245655309458
5 √n
28.290542653764
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18122010
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18122011 can be divided by 8 positive divisors.
The sum of these divisors (counting 18122011) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000101001000010100011011
3
Ternary
1021002200201121
4
Quaternary
1011020110123
5
Quinary
14114401021
6
Senary
1444230111
8
Octal
105102433
10
Decimal
18122011
12
Duodecimal
609b337
16
Hexadecimal
114851b
20
Vigesimal
5d550b
36
Base36
asf17
md5
90683007324729eba241410b54e9dced
sha1
431455a88dc9eb757ccd6feb2aadb3d1ba9a4495
sha256
0934d4ad9a56c438f3f10882aade6adaf3d9ad1695736cdaad2b9e7fc5f37e8d
sha512
c2627e38402b7448f43207bce7b53d24b0bd1573cf560441e4fce73018edd1b28160caa422e6b9050770582ec469a21915d687358a8cd6fddec778609a659118
ripemd-160
bda09c3e566c8971f12e32e15c63e1c89f2c767f
Diameter
36244022
Circumference
113863953.25175
Area
1.0317219066658E+15
Volume
2.4929167655385E+22
Surface area
4.1268876266633E+15
Circumference
113863953.25175
Perimeter
72488044
Area
328407282684121
Diagonal
25628393.733674
Surface area
1970443696104726
Volume
5.9514003892817E+21
Space diagonal
31388243.787322
Perimeter
54366033
Area
1.4220452479613E+14
Altitude
15694121.893661
Surface area
1.4220452479613E+14
Volume
7.0137926213623E+20
Height
8542797.9112248