18679942 is an even 8-digits composite number following 18679941
and preceding 18679943 . In scientific notation, it is written as 1.8679942 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 9339970 positive integers (up to 18679942) that are relatively prime to 18679942.
18679942 has 4 divisors, whose sum is 28019916
The reverse of 18679942 is 24997681
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighteen million six hundred seventy-nine thousand nine hundred forty-two
Scientific notation
1.8679942 × 10^7
Engineering notation
1.8679942 × 10^6
Prime Factorization
2 × 9339971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18679942
Product of the distinct prime numbers
The prime factorization of 18679942 is 2 × 9339971.
Since it has a total of 2 prime factors.
9 , 1 , 6 , 46 , 64 , 917 , 2185 , 1648 , 39296 , 33922 , 26304 , 16521 , 6022874 , 9161648 , 74599159 , 3959012 , 354714270 , 449132847 , 8864150544 , 9418934201
n×2
37359884
n×3
56039826
n×4
74719768
n×5
93399710
n÷2
9339971
n÷3
6226647.3333333
n÷3
4669985.5
n÷5
3735988.4
n2
348940233123364
n3
6.5181833162109E+21
n4
1.2175928629219E+29
n5
2.2744564058995E+36
2 √n
4322.0298471899
3 √n
265.33335051864
4 √n
65.742146657908
5 √n
28.462635077003
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18679941
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18679942 can be divided by 4 positive divisors.
The sum of these divisors (counting 18679942) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000111010000100010000110
3
Ternary
1022011001001201
4
Quaternary
1013100202012
5
Quinary
14240224232
6
Senary
1504213114
8
Octal
107204206
10
Decimal
18679942
12
Duodecimal
630a19a
16
Hexadecimal
11d0886
20
Vigesimal
5gejh2
36
Base36
b4dja
md5
44a82d8a022f554bb91c43dddb647b7c
sha1
8aa0c3e1ae20b7fc7b80ef33d94156c82d2d7b9e
sha256
efdb16a0f037114ecb8742c42c77a27139ea087044da86ae4fbceaf643913d14
sha512
6d18311bc30a818f5333d4c00395deda9c5033547df67a0458157d035569251f61055d8400595986ae887f3f2a7c6b5fcb8a82d318e94411b483295c3493d0fc
ripemd-160
59deed8e649570f3a3c33853a6868af8659732f2
Diameter
37359884
Circumference
117369537.11337
Area
1.0962280729223E+15
Volume
2.7303302427946E+22
Surface area
4.3849122916891E+15
Circumference
117369537.11337
Perimeter
74719768
Area
348940233123364
Diagonal
26417427.320743
Surface area
2093641398740184
Volume
6.5181833162109E+21
Space diagonal
32354608.62644
Perimeter
56039826
Area
1.5109555314365E+14
Altitude
16177304.31322
Surface area
1.5109555314365E+14
Volume
7.6817527065163E+20
Height
8805809.1069143