18992018 is an even 8-digits composite number following 18992017
and preceding 18992019 . In scientific notation, it is written as 1.8992018 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 9334656 positive integers (up to 18992018) that are relatively prime to 18992018.
18992018 has 16 divisors, whose sum is 28976640
The reverse of 18992018 is 81029981
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million nine hundred ninety-two thousand eighteen
Scientific notation
1.8992018 × 10^7
Engineering notation
1.8992018 × 10^6
Prime Factorization
2 × 223 × 97 × 439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18992018
Product of the distinct prime numbers
The prime factorization of 18992018 is 2 × 223 × 97 × 439.
Since it has a total of 4 prime factors.
9 , 1 , 60 , 23 , 651 , 21 , 9168 , 2370 , 86163 , 99560 , 49749 , 850894 , 979768 , 4866380 , 64181267 , 94985520 , 446794772 , 450993799 , 1271497024 , 966966116
n×2
37984036
n×3
56976054
n×4
75968072
n×5
94960090
n÷2
9496009
n÷3
6330672.6666667
n÷3
4748004.5
n÷5
3798403.6
n2
360696747712324
n3
6.8503591250939E+21
n4
1.3010214381025E+29
n5
2.4709022570828E+36
2 √n
4357.9832491647
3 √n
266.80279265239
4 √n
66.015022905129
5 √n
28.557107910894
1 , 2 , 97 , 194 , 223 , 439 , 446 , 878 , 21631 , 42583 , 43262 , 85166 , 97897 , 195794 , 9496009 , 18992018
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18992017
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18992018 can be divided by 16 positive divisors.
The sum of these divisors (counting 18992018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000011100101110010010
3
Ternary
1022201220011002
4
Quaternary
1020130232102
5
Quinary
14330221033
6
Senary
1515022002
8
Octal
110345622
10
Decimal
18992018
12
Duodecimal
643a902
16
Hexadecimal
121cb92
20
Vigesimal
5ie00i
36
Base36
bb2c2
md5
b414a308cb785d7a199b9c9ee448adcb
sha1
271cb4fc13449776e3a8c03a3201327d045c1914
sha256
4532480d4f1f2665aedc881e417da7eff48a2c2891ffdfd8e462b3fb77544a14
sha512
da6df304b2ab78df452c537becb350989c31aaa57225074e1c8714087aee02344153bd09897214b94adeeabe467d6375932587d03860c2708097d348fd838e70
ripemd-160
9275e8eb6163db9eeaaccaf6fda2b8396b41580f
Diameter
37984036
Circumference
119330368.45129
Area
1.1331622527868E+15
Volume
2.8694717202462E+22
Surface area
4.5326490111471E+15
Circumference
119330368.45129
Perimeter
75968072
Area
360696747712324
Diagonal
26858769.432434
Surface area
2164180486273944
Volume
6.8503591250939E+21
Space diagonal
32895140.114263
Perimeter
56976054
Area
1.5618627329065E+14
Altitude
16447570.057131
Surface area
1.5618627329065E+14
Volume
8.0732256515284E+20
Height
8952923.1441446