18729042 is an even 8-digits composite number following 18729041
and preceding 18729043 . In scientific notation, it is written as 1.8729042 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6222320 positive integers (up to 18729042) that are relatively prime to 18729042.
18729042 has 16 divisors, whose sum is 37582272
The reverse of 18729042 is 24092781
Previous prime number is 311
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighteen million seven hundred twenty-nine thousand forty-two
Scientific notation
1.8729042 × 10^7
Engineering notation
1.8729042 × 10^6
Prime Factorization
2 × 3 × 311 × 10037
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18729042
Product of the distinct prime numbers
The prime factorization of 18729042 is 2 × 3 × 311 × 10037.
Since it has a total of 4 prime factors.
9 , 3 , 78 , 85 , 246 , 544 , 9488 , 9375 , 6718 , 11586 , 171821 , 20643 , 4049246 , 8400657 , 47869050 , 85953043 , 22361326 , 362168889 , 8998700009 , 5806351120
n×2
37458084
n×3
56187126
n×4
74916168
n×5
93645210
n÷2
9364521
n÷3
6243014
n÷3
4682260.5
n÷5
3745808.4
n2
350777014237764
n3
6.5697174322937E+21
n4
1.2304451371756E+29
n5
2.3045058652858E+36
2 √n
4327.7063209049
3 √n
265.56562228943
4 √n
65.785304748894
5 √n
28.477582107935
1 , 2 , 3 , 6 , 311 , 622 , 933 , 1866 , 10037 , 20074 , 30111 , 60222 , 3121507 , 6243014 , 9364521 , 18729042
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
-18729041
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 18729042 can be divided by 16 positive divisors.
The sum of these divisors (counting 18729042) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111011100100001010010
3
Ternary
1022020112102020
4
Quaternary
1013130201102
5
Quinary
14243312132
6
Senary
1505232310
8
Octal
107344122
10
Decimal
18729042
12
Duodecimal
6332696
16
Hexadecimal
11dc852
20
Vigesimal
5h12c2
36
Base36
b5ff6
md5
e9ea1af9677f5ccedf3d2725874b6578
sha1
e622396d4d5c45696b089b906cf6b27dca01a486
sha256
ead660406ece4362f716f6834edf890841ac601b9b37d6f8ecd622e1ced9534f
sha512
d8d661ff4131eec589d33b20ca9cd8eb64d6a5eb55823611c1af2e1b4f1e3a29a92938148df79c6841af68179fb55b38b5610d48a61ad697d666c1a25002e7b7
ripemd-160
f4e7847609fe10387281f3a146c449a4a2e4bdc1
Diameter
37458084
Circumference
117678041.51195
Area
1.1019984909775E+15
Volume
2.7519168028606E+22
Surface area
4.4079939639101E+15
Circumference
117678041.51195
Perimeter
74916168
Area
350777014237764
Diagonal
26486865.206655
Surface area
2104662085426584
Volume
6.5697174322937E+21
Space diagonal
32439652.321091
Perimeter
56187126
Area
1.5189090269678E+14
Altitude
16219826.160546
Surface area
1.5189090269678E+14
Volume
7.7424862447572E+20
Height
8828955.0688851