20973985 is an odd 8-digits composite number following 20973984
and preceding 20973986 . In scientific notation, it is written as 2.0973985 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 16284736 positive integers (up to 20973985) that are relatively prime to 20973985.
20973985 has 16 divisors, whose sum is 25920000
The reverse of 20973985 is 58937902
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million nine hundred seventy-three thousand nine hundred eighty-five
Scientific notation
2.0973985 × 10^7
Engineering notation
2.0973985 × 10^6
Prime Factorization
5 × 149 × 47 × 599
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20973985
Product of the distinct prime numbers
The prime factorization of 20973985 is 5 × 149 × 47 × 599.
Since it has a total of 4 prime factors.
7 , 4 , 79 , 50 , 204 , 244 , 6189 , 9415 , 91999 , 38139 , 406871 , 391359 , 8143001 , 8150477 , 89927967 , 63236875 , 67571719 , 540354136 , 7008248333 , 1230640329
n×2
41947970
n×3
62921955
n×4
83895940
n×5
104869925
n÷2
10486992.5
n÷3
6991328.3333333
n÷3
5243496.25
n÷5
4194797
n2
439908046780225
n3
9.2266247745477E+21
n4
1.9351908962199E+29
n5
4.0588664829453E+36
2 √n
4579.736346123
3 √n
275.77844450998
4 √n
67.673749313327
5 √n
29.129711983491
1 , 5 , 47 , 149 , 235 , 599 , 745 , 2995 , 7003 , 28153 , 35015 , 89251 , 140765 , 446255 , 4194797 , 20973985
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
-20973984
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 20973985 can be divided by 16 positive divisors.
The sum of these divisors (counting 20973985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000000100110100001
3
Ternary
1110110120220021
4
Quaternary
1100000212201
5
Quinary
20332131420
6
Senary
2025313441
8
Octal
120004641
10
Decimal
20973985
12
Duodecimal
7035881
16
Hexadecimal
14009a1
20
Vigesimal
6b1ej5
36
Base36
chjmp
md5
dcd91a48d4c0c96b8ceaa502c06d520c
sha1
8b8678f3b8a0ddf5b910d5f8bce63713bef68dae
sha256
008d958231188eb530aa14186fce27de62b0a106a8007c6b45e4e382e487cb5f
sha512
8f4822654502dd8de3402c29a0c4d17b4b86aaaa89a8bcc13b15133ab136357a249a989ae949ef08ef024cc43866e5f9e9e752cd62bb40cc31f4f52beef14e6b
ripemd-160
55dd56d683330f3d210e3e0f4c3e1bed0a95e711
Diameter
41947970
Circumference
131783434.38501
Area
1.3820118880198E+15
Volume
3.8648395478865E+22
Surface area
5.5280475520792E+15
Circumference
131783434.38501
Perimeter
83895940
Area
439908046780225
Diagonal
29661694.04401
Surface area
2639448280681350
Volume
9.2266247745477E+21
Space diagonal
36328007.657188
Perimeter
62921955
Area
1.9048577192043E+14
Altitude
18164003.828594
Surface area
1.9048577192043E+14
Volume
1.0873681575911E+21
Height
9887231.3480033