20021009 is an odd 8-digits composite number following 20021008
and preceding 20021010 . In scientific notation, it is written as 2.0021009 × 10^7.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 19375140 positive integers (up to 20021009) that are relatively prime to 20021009.
20021009 has 4 divisors, whose sum is 20666880
The reverse of 20021009 is 90012002
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty million twenty-one thousand nine
Scientific notation
2.0021009 × 10^7
Engineering notation
2.0021009 × 10^6
Prime Factorization
31 × 645839
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20021009
Product of the distinct prime numbers
The prime factorization of 20021009 is 31 × 645839.
Since it has a total of 2 prime factors.
2 , 3 , 56 , 8 , 896 , 49 , 2875 , 4414 , 29292 , 15670 , 40227 , 709384 , 9663737 , 4781867 , 34724521 , 13910246 , 779317097 , 854779924 , 4320865423 , 8241018434
n×2
40042018
n×3
60063027
n×4
80084036
n×5
100105045
n÷2
10010504.5
n÷3
6673669.6666667
n÷3
5005252.25
n÷5
4004201.8
n2
400840801378081
n3
8.0252372919578E+21
n4
1.6067334804942E+29
n5
3.2168425473576E+36
2 √n
4474.4842160857
3 √n
271.53677373162
4 √n
66.891585540228
5 √n
28.860057509109
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20021008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20021009 can be divided by 4 positive divisors.
The sum of these divisors (counting 20021009) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010111111100010001
3
Ternary
1101200011122212
4
Quaternary
1030113330101
5
Quinary
20111133014
6
Senary
1553041505
8
Octal
114277421
10
Decimal
20021009
12
Duodecimal
6856295
16
Hexadecimal
1317f11
20
Vigesimal
652ca9
36
Base36
bx4b5
md5
078ecf0a6bd2a26ba4c327a88b142f64
sha1
6e89cd3ddeeb198e7b29dcfbfddbf072038ff026
sha256
0efa4ee4eea48d80f0b9f9eb28c18b87995fc8aae943ae665f9f0e7d49d9782c
sha512
630d8dceaa16f79a9bdb58e0a4700a5f47a20efa202b77356940959d1e1e15c64299d7bf1ba15f8266ae7132ba8f4a3a98889b8617cd9bc376c2f2e48d7d4840
ripemd-160
98df34b6fe94b6783b94cc98ebb6fdf5adf4d586
Diameter
40042018
Circumference
125795709.58371
Area
1.2592785168684E+15
Volume
3.3616035359639E+22
Surface area
5.0371140674737E+15
Circumference
125795709.58371
Perimeter
80084036
Area
400840801378081
Diagonal
28313982.460194
Surface area
2405044808268486
Volume
8.0252372919578E+21
Space diagonal
34677404.806794
Perimeter
60063027
Area
1.7356915843337E+14
Altitude
17338702.403397
Surface area
1.7356915843337E+14
Volume
9.4578328496242E+20
Height
9437994.1533979