18843980 is an even 8-digits composite number following 18843979
and preceding 18843981 . In scientific notation, it is written as 1.8843980 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 7537584 positive integers (up to 18843980) that are relatively prime to 18843980.
18843980 has 12 divisors, whose sum is 39572400
The reverse of 18843980 is 08934881
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighteen million eight hundred forty-three thousand nine hundred eighty
Scientific notation
1.8843980 × 10^7
Engineering notation
1.8843980 × 10^6
Prime Factorization
2 × 2 × 5 × 942199
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9421990
Product of the distinct prime numbers
The prime factorization of 18843980 is 2 × 2 × 5 × 942199.
Since it has a total of 4 prime factors.
9 , 10 , 16 , 99 , 664 , 244 , 6443 , 2345 , 78011 , 94783 , 481443 , 530419 , 1602519 , 5899220 , 61823995 , 44274683 , 698480494 , 797804606 , 1950651926 , 1419270794
n×2
37687960
n×3
56531940
n×4
75375920
n×5
94219900
n÷2
9421990
n÷3
6281326.6666667
n÷3
4710995
n÷5
3768796
n2
355095582240400
n3
6.6914140498265E+21
n4
1.2609287252665E+29
n5
2.3760915680347E+36
2 √n
4340.9653304305
3 √n
266.10776344812
4 √n
65.886002537948
5 √n
28.512449358442
1 , 2 , 4 , 5 , 10 , 20 , 942199 , 1884398 , 3768796 , 4710995 , 9421990 , 18843980
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18843979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18843980 can be divided by 12 positive divisors.
The sum of these divisors (counting 18843980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000111111000100101001100
3
Ternary
1022110101002012
4
Quaternary
1013320211030
5
Quinary
14311001410
6
Senary
1511520352
8
Octal
107704514
10
Decimal
18843980
12
Duodecimal
63890b8
16
Hexadecimal
11f894c
20
Vigesimal
5hf9j0
36
Base36
b7w3w
md5
964cce5be10f5fca469dcab0f3615264
sha1
45928d334b11ef3c5beb95e565c8e71c27ad5f46
sha256
ce0f115ac15404453175582ad558ff8ef9e7b892114f20f8e7c099b87235dfd3
sha512
dd65c1e4111592c6b22b0c0a03c78db5a4d1b7e050786fe30dd63f70b00d5edeb8af18d956a585b7acbbd8319bd84bb0327a6ee0f4dab2d97d48f4a910eae37e
ripemd-160
b6a058823ee310de5e7351b72b751eb6d8450e97
Diameter
37687960
Circumference
118400218.26479
Area
1.1155656724886E+15
Volume
2.8028929628083E+22
Surface area
4.4622626899545E+15
Circumference
118400218.26479
Perimeter
75375920
Area
355095582240400
Diagonal
26649412.085087
Surface area
2130573493442400
Volume
6.6914140498265E+21
Space diagonal
32638730.776812
Perimeter
56531940
Area
1.5376089749591E+14
Altitude
16319365.388406
Surface area
1.5376089749591E+14
Volume
7.885907083932E+20
Height
8883137.3616958