18043642 is an even 8-digits composite number following 18043641
and preceding 18043643 . In scientific notation, it is written as 1.8043642 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 8693568 positive integers (up to 18043642) that are relatively prime to 18043642.
18043642 has 16 divisors, whose sum is 28064520
The reverse of 18043642 is 24634081
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighteen million forty-three thousand six hundred forty-two
Scientific notation
1.8043642 × 10^7
Engineering notation
1.8043642 × 10^6
Prime Factorization
2 × 109 × 37 × 2237
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18043642
Product of the distinct prime numbers
The prime factorization of 18043642 is 2 × 109 × 37 × 2237.
Since it has a total of 4 prime factors.
2 , 8 , 67 , 64 , 140 , 647 , 7703 , 5295 , 7172 , 60701 , 692692 , 127711 , 3453661 , 9868818 , 49092584 , 24258946 , 870213470 , 958248768 , 8425067093 , 5813308903
n×2
36087284
n×3
54130926
n×4
72174568
n×5
90218210
n÷2
9021821
n÷3
6014547.3333333
n÷3
4510910.5
n÷5
3608728.4
n2
325573016624164
n3
5.8745229568265E+21
n4
1.0599778915376E+29
n5
1.9125861602819E+36
2 √n
4247.7808323877
3 √n
262.28577291078
4 √n
65.175001591006
5 √n
28.266031613807
1 , 2 , 37 , 74 , 109 , 218 , 2237 , 4033 , 4474 , 8066 , 82769 , 165538 , 243833 , 487666 , 9021821 , 18043642
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
-18043641
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 18043642 can be divided by 16 positive divisors.
The sum of these divisors (counting 18043642) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000100110101001011111010
3
Ternary
1020221201020001
4
Quaternary
1010311023322
5
Quinary
14104344032
6
Senary
1442423214
8
Octal
104651372
10
Decimal
18043642
12
Duodecimal
6061b0a
16
Hexadecimal
11352fa
20
Vigesimal
5cf922
36
Base36
aqqka
md5
5d550c320efecf2b18e0bebbe0ed189e
sha1
bfdef3e63c7a4af0dea8519633934c5fb603a5f2
sha256
ba3411c723819dcdafb242c4cead96b6c2ba7f9eed6bc895737fdc05884da9d9
sha512
662a6c9984f8ee164d83c5fadb087e4c1acae01564529bf76a26fd2acd28c8f36957be0723fdfb43e41283c1be7737cdd59ccbdc8c238dab2efad1c88a30d63d
ripemd-160
e5d2e98a33d50ae5ba7b4d9199e7aec6acee0536
Diameter
36087284
Circumference
113371546.30241
Area
1.0228177972335E+15
Volume
2.4607144219347E+22
Surface area
4.0912711889342E+15
Circumference
113371546.30241
Perimeter
72174568
Area
325573016624164
Diagonal
25517563.231005
Surface area
1953438099744984
Volume
5.8745229568265E+21
Space diagonal
31252504.697584
Perimeter
54130926
Area
1.4097725159163E+14
Altitude
15626252.348792
Surface area
1.4097725159163E+14
Volume
6.9231916983467E+20
Height
8505854.4103349