18443993 is an odd 8-digits prime number following 18443992
and preceding 18443994 . In scientific notation, it is written as 1.8443993 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 18443992 positive integers (up to 18443993) that are relatively prime to 18443993.
18443993 has 2 divisors, whose sum is 18443994
The reverse of 18443993 is 39934481
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 41 Digital Root 5
Name
eighteen million four hundred forty-three thousand nine hundred ninety-three
Scientific notation
1.8443993 × 10^7
Engineering notation
1.8443993 × 10^6
Prime Factorization
18443993
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
18443993 Product of the distinct prime numbers
The prime factorization of 18443993 is 18443993.
Since it has a total of 1 prime factors.
8 , 3 , 87 , 55 , 989 , 691 , 5486 , 5536 , 54669 , 67567 , 675546 , 509843 , 4541849 , 1289250 , 58097353 , 54631344 , 583696226 , 672704274 , 5488295437 , 1108129674
n×2
36887986
n×3
55331979
n×4
73775972
n×5
92219965
n÷2
9221996.5
n÷3
6147997.6666667
n÷3
4610998.25
n÷5
3688798.6
n2
340180877784049
n3
6.2742937285829E+21
n4
1.1572302960993E+29
n5
2.1343947480643E+36
2 √n4294.647016927
3 √n264.21145917641
4 √n65.533556419036
5 √n28.390365894705
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
18443994 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
9221997 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4294.647133351 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999998915636 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18443993 can be divided by 2 positive divisors.
The sum of these divisors (counting 18443993) is 18443994, the average is 9221997.
Base
System
Value
2
Binary
1000110010110111011011001
3
Ternary
1021201001101212
4
Quaternary
1012112323121
5
Quinary
14210201433
6
Senary
1455152505
8
Octal
106267331
10
Decimal
18443993
12
Duodecimal
6215735
16
Hexadecimal
1196ed9
20
Vigesimal
5f59jd
36
Base36
azbh5
md5
65f37e22233e09ce2b6e4fd61084e71d
sha1
e951c09db512547f57d74b004fcd2fefbb1fdca7
sha256
0e5b25e0a3970b2804331ad88eeecc77a6e7e1557b60e9e253f3e3b8aeefc77f
sha512
c2057c1e0e66ab255fbf445e06bc0882ad9b335cdf938d0eeaa679a720de88d801c596f88b5a1bae42f36f856150474c65897f3fb7464ffb6284976fb0b1a64e
ripemd-160
54a4213160ff0d538eb8be78b4f7b1a98debbc01
Diameter
36887986
Circumference
115887025.82332
Area
1.0687097465381E+15
Volume
2.6281700112241E+22
Surface area
4.2748389861524E+15
Circumference
115887025.82332
Perimeter
73775972
Area
340180877784049
Diagonal
26083745.044914
Surface area
2041085266704294
Volume
6.2742937285829E+21
Space diagonal
31945932.970445
Perimeter
55331979
Area
1.4730264102134E+14
Altitude
15972966.485222
Surface area
1.4730264102134E+14
Volume
7.3943260710619E+20
Height
8694581.6816381