18839931 is an odd 8-digits composite number following 18839930
and preceding 18839932 . In scientific notation, it is written as 1.8839931 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 11246400 positive integers (up to 18839931) that are relatively prime to 18839931.
18839931 has 16 divisors, whose sum is 27815808
The reverse of 18839931 is 13993881
Previous prime number is 8521
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million eight hundred thirty-nine thousand nine hundred thirty-one
Scientific notation
1.8839931 × 10^7
Engineering notation
1.8839931 × 10^6
Prime Factorization
3 × 11 × 8521 × 67
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18839931
Product of the distinct prime numbers
The prime factorization of 18839931 is 3 × 11 × 8521 × 67.
Since it has a total of 4 prime factors.
9 , 10 , 24 , 78 , 238 , 178 , 4233 , 6126 , 54393 , 31531 , 157562 , 55335 , 2699444 , 8206770 , 50905674 , 55527350 , 315077753 , 198709023 , 3998102863 , 8459140607
n×2
37679862
n×3
56519793
n×4
75359724
n×5
94199655
n÷2
9419965.5
n÷3
6279977
n÷3
4709982.75
n÷5
3767986.2
n2
354943000084761
n3
6.6871016305299E+21
n4
1.2598453330917E+29
n5
2.373539914612E+36
2 √n
4340.4989344544
3 √n
266.08870258597
4 √n
65.882463026624
5 √n
28.511223960929
1 , 3 , 11 , 33 , 67 , 201 , 737 , 2211 , 8521 , 25563 , 93731 , 281193 , 570907 , 1712721 , 6279977 , 18839931
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
-18839930
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 18839931 can be divided by 16 positive divisors.
The sum of these divisors (counting 18839931) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111110111100101111011
3
Ternary
1022110011112020
4
Quaternary
1013313211323
5
Quinary
14310334211
6
Senary
1511445523
8
Octal
107674573
10
Decimal
18839931
12
Duodecimal
63868a3
16
Hexadecimal
11f797b
20
Vigesimal
5hejgb
36
Base36
b7szf
md5
67f5a7ace725b8843435a90914481b82
sha1
05a9ffd780e9e9b8e1876e9158e4ab113a6709a1
sha256
ac564713dd2585350c264b2e3e994043bb2cd3119e43174493990e78fff7e0fc
sha512
0a9dc020ef0b0dd53be87116c1a0ce9130d2ce5b5e578c9056e91f0153e3a31f2e0c0d1c1136c5ac03fbde4b7ad170e3cdc85c8fa4f7b1bb006369a19d7e37e5
ripemd-160
ca4f9ae6807b66bcbe9888c97a3543db8ba9a6a2
Diameter
37679862
Circumference
118374777.64748
Area
1.1150863215094E+15
Volume
2.8010865808375E+22
Surface area
4.4603452860376E+15
Circumference
118374777.64748
Perimeter
75359724
Area
354943000084761
Diagonal
26643685.934373
Surface area
2129658000508566
Volume
6.6871016305299E+21
Space diagonal
32631717.703092
Perimeter
56519793
Area
1.5369482748443E+14
Altitude
16315858.851546
Surface area
1.5369482748443E+14
Volume
7.8808248490522E+20
Height
8881228.6447911