18881013 is an odd 8-digits composite number following 18881012
and preceding 18881014 . In scientific notation, it is written as 1.8881013 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 12565584 positive integers (up to 18881013) that are relatively prime to 18881013.
18881013 has 8 divisors, whose sum is 25218208
The reverse of 18881013 is 31018881
Previous prime number is 613
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighteen million eight hundred eighty-one thousand thirteen
Scientific notation
1.8881013 × 10^7
Engineering notation
1.8881013 × 10^6
Prime Factorization
3 × 613 × 10267
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18881013
Product of the distinct prime numbers
The prime factorization of 18881013 is 3 × 613 × 10267.
Since it has a total of 3 prime factors.
7 , 3 , 40 , 11 , 374 , 96 , 9869 , 1826 , 10826 , 62237 , 471648 , 744970 , 1538118 , 653911 , 15164377 , 73550585 , 403815158 , 213066378 , 5632706991 , 1132360412
n×2
37762026
n×3
56643039
n×4
75524052
n×5
94405065
n÷2
9440506.5
n÷3
6293671
n÷3
4720253.25
n÷5
3776202.6
n2
356492651906169
n3
6.7309423950449E+21
n4
1.2708701086309E+29
n5
2.3995315042372E+36
2 √n
4345.2287626775
3 √n
266.2819715183
4 √n
65.918349210804
5 √n
28.523647337565
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18881012
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18881013 can be divided by 8 positive divisors.
The sum of these divisors (counting 18881013) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000000001100111110101
3
Ternary
1022112020212210
4
Quaternary
1020001213311
5
Quinary
14313143023
6
Senary
1512404033
8
Octal
110014765
10
Decimal
18881013
12
Duodecimal
63a6619
16
Hexadecimal
12019f5
20
Vigesimal
5i02ad
36
Base36
b8ool
md5
f87f2067bc6b5215b5a810f0d070f45f
sha1
e5ce70e4e8b52491f63bf10aa7630442ec79efb8
sha256
a65ba6cc91d2af422906c00b3e0c05389d6aa8119a35e71524e5b09b3a7d4df8
sha512
a772600ac73519c9a54dad7de2f935407c2e91a3457f79fb17a5b600aeb28b43e5839e8e4e3f861d2008ba26e349db56d6ef4b62d87aa183c8ab2989f5ade0a4
ripemd-160
8518d09b1424c860098b553d2eb5ab0528c33d8f
Diameter
37762026
Circumference
118632903.46627
Area
1.1199546962872E+15
Volume
2.8194505573345E+22
Surface area
4.4798187851487E+15
Circumference
118632903.46627
Perimeter
75524052
Area
356492651906169
Diagonal
26701784.655943
Surface area
2138955911437014
Volume
6.7309423950449E+21
Space diagonal
32702873.814368
Perimeter
56643039
Area
1.5436584640661E+14
Altitude
16351436.907184
Surface area
1.5436584640661E+14
Volume
7.9324916855204E+20
Height
8900594.8853142