18821434 is an even 8-digits composite number following 18821433
and preceding 18821435 . In scientific notation, it is written as 1.8821434 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 9213984 positive integers (up to 18821434) that are relatively prime to 18821434.
18821434 has 16 divisors, whose sum is 28828800
The reverse of 18821434 is 43412881
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighteen million eight hundred twenty-one thousand four hundred thirty-four
Scientific notation
1.8821434 × 10^7
Engineering notation
1.8821434 × 10^6
Prime Factorization
2 × 79 × 139 × 857
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18821434
Product of the distinct prime numbers
The prime factorization of 18821434 is 2 × 79 × 139 × 857.
Since it has a total of 4 prime factors.
2 , 1 , 31 , 58 , 436 , 929 , 2286 , 102 , 65590 , 83361 , 318036 , 309251 , 3910602 , 5001439 , 59167642 , 7555664 , 630200427 , 231223783 , 9397336539 , 1930555365
n×2
37642868
n×3
56464302
n×4
75285736
n×5
94107170
n÷2
9410717
n÷3
6273811.3333333
n÷3
4705358.5
n÷5
3764286.8
n2
354246377816356
n3
6.6674248198096E+21
n4
1.2549049619601E+29
n5
2.3619110917804E+36
2 √n
4338.3676653783
3 √n
266.00159231715
4 √n
65.866286257677
5 √n
28.505623310472
1 , 2 , 79 , 139 , 158 , 278 , 857 , 1714 , 10981 , 21962 , 67703 , 119123 , 135406 , 238246 , 9410717 , 18821434
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
-18821433
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 18821434 can be divided by 16 positive divisors.
The sum of these divisors (counting 18821434) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111110011000100111010
3
Ternary
1022102020011011
4
Quaternary
1013303010322
5
Quinary
14304241214
6
Senary
1511224134
8
Octal
107630472
10
Decimal
18821434
12
Duodecimal
637804a
16
Hexadecimal
11f313a
20
Vigesimal
5hcdbe
36
Base36
b7epm
md5
3e598a3bb96afd1a775a4b159fc500f3
sha1
8e52c5c861e25145bd9e7342c280f94e34a99c58
sha256
489a3ad6d8079cf9d3eb94a935291589f2cc883bf73dd5fd09314d765a6f299c
sha512
4294babe2b157d2fda106988d5b46d5ec8955010ec944d8574353ffc4804900bb941a9abff86051d00ce958a286ad322be3dcbb555e64920e93cd87637b3e468
ripemd-160
ec698b86801e11f7260025c96912ada8afbb86f6
Diameter
37642868
Circumference
118258557.56885
Area
1.1128978181087E+15
Volume
2.7928443776368E+22
Surface area
4.4515912724346E+15
Circumference
118258557.56885
Perimeter
75285736
Area
354246377816356
Diagonal
26617527.22611
Surface area
2125478266898136
Volume
6.6674248198096E+21
Space diagonal
32599679.959304
Perimeter
56464302
Area
1.5339318119379E+14
Altitude
16299839.979652
Surface area
1.5339318119379E+14
Volume
7.8576355052314E+20
Height
8872509.07537