18805983 is an odd 8-digits composite number following 18805982
and preceding 18805984 . In scientific notation, it is written as 1.8805983 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 10594080 positive integers (up to 18805983) that are relatively prime to 18805983.
18805983 has 16 divisors, whose sum is 29062656
The reverse of 18805983 is 38950881
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million eight hundred five thousand nine hundred eighty-three
Scientific notation
1.8805983 × 10^7
Engineering notation
1.8805983 × 10^6
Prime Factorization
3 × 7 × 71 × 12613
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18805983
Product of the distinct prime numbers
The prime factorization of 18805983 is 3 × 7 × 71 × 12613.
Since it has a total of 4 prime factors.
4 , 1 , 82 , 71 , 338 , 337 , 6523 , 1926 , 2142 , 6089 , 692642 , 795219 , 4652605 , 1648973 , 89131204 , 78308298 , 926096122 , 495682269 , 8842680147 , 6011740616
n×2
37611966
n×3
56417949
n×4
75223932
n×5
94029915
n÷2
9402991.5
n÷3
6268661
n÷3
4701495.75
n÷5
3761196.6
n2
353664996596289
n3
6.6510179136849E+21
n4
1.2507892981745E+29
n5
2.3522322278052E+36
2 √n
4336.5865608794
3 √n
265.92878320349
4 √n
65.85276426149
5 √n
28.500941572783
1 , 3 , 7 , 21 , 71 , 213 , 497 , 1491 , 12613 , 37839 , 88291 , 264873 , 895523 , 2686569 , 6268661 , 18805983
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
-18805982
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 18805983 can be divided by 16 positive divisors.
The sum of these divisors (counting 18805983) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111101111010011011111
3
Ternary
1022101102221220
4
Quaternary
1013233103133
5
Quinary
14303242413
6
Senary
1511024423
8
Octal
107572337
10
Decimal
18805983
12
Duodecimal
636b113
16
Hexadecimal
11ef4df
20
Vigesimal
5haej3
36
Base36
b72sf
md5
2a951dcb3e0e768a2355dcddd0fe7b2d
sha1
1e127079f1e66b483226ad532cd214e23a71c295
sha256
adba0579f837a5430214e1397b6fdf82aa76662e5a95cffbbf4c15a2aa80842b
sha512
a1ee85b12204e52c0cde2e467b128d3bfffae4df346edd410207eee484b4ad41aac5d325c3ee6cda841b9c91b4585f932227a42861f11a412eccfbed54faf9c9
ripemd-160
5ed5d7608ddaba699b433e659eebdb3669948b10
Diameter
37611966
Circumference
118161476.07267
Area
1.1110713551388E+15
Volume
2.7859718688702E+22
Surface area
4.444285420555E+15
Circumference
118161476.07267
Perimeter
75223932
Area
353664996596289
Diagonal
26595676.212358
Surface area
2121989979577734
Volume
6.6510179136849E+21
Space diagonal
32572918.042277
Perimeter
56417949
Area
1.5314143574086E+14
Altitude
16286459.021138
Surface area
1.5314143574086E+14
Volume
7.838299780933E+20
Height
8865225.4041193