20209979 is an odd 8-digits composite number following 20209978
and preceding 20209980 . In scientific notation, it is written as 2.0209979 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 20193360 positive integers (up to 20209979) that are relatively prime to 20209979.
20209979 has 4 divisors, whose sum is 20226600
The reverse of 20209979 is 97990202
Previous prime number is 1321
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million two hundred nine thousand nine hundred seventy-nine
Scientific notation
2.0209979 × 10^7
Engineering notation
2.0209979 × 10^6
Prime Factorization
1321 × 15299
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20209979
Product of the distinct prime numbers
The prime factorization of 20209979 is 1321 × 15299.
Since it has a total of 2 prime factors.
1 , 4 , 33 , 89 , 52 , 880 , 1052 , 6655 , 838 , 37107 , 426439 , 881911 , 6854867 , 443699 , 21093939 , 21070376 , 117426866 , 914871885 , 555785701 , 6335979459
n×2
40419958
n×3
60629937
n×4
80839916
n×5
101049895
n÷2
10104989.5
n÷3
6736659.6666667
n÷3
5052494.75
n÷5
4041995.8
n2
408443251180441
n3
8.2546295290484E+21
n4
1.6682588943485E+29
n5
3.3715477221346E+36
2 √n
4495.5510229559
3 √n
272.38840758037
4 √n
67.048870407755
5 √n
28.914332604619
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
-20209978
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 20209979 can be divided by 4 positive divisors.
The sum of these divisors (counting 20209979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000110000100111011
3
Ternary
1102000202212202
4
Quaternary
1031012010323
5
Quinary
20133204404
6
Senary
2001100415
8
Octal
115060473
10
Decimal
20209979
12
Duodecimal
692770b
16
Hexadecimal
134613b
20
Vigesimal
6664ij
36
Base36
c164b
md5
dd0df8113c0fe5c36ee49fa4b715c78e
sha1
383775855033f9583a025599c3feca96f61e4cd0
sha256
7a0ec2ee3084d04e5cae2f0fefcc3b3227f0579c55e518e65408af3a92030ca3
sha512
76f8d1a7a3f5d1bf2a64579b49516f9d141daaa69ee8063677536ed056647d7c0a4d9996123cc7ca1fc496c4feeb4ab4f55805f315aea5aae8d7e61d32b5c6c3
ripemd-160
bc56d739cb84e2a57ce2709c99b491d35e40f0d2
Diameter
40419958
Circumference
126983043.11121
Area
1.2831623173168E+15
Volume
3.4576911315419E+22
Surface area
5.1326492692672E+15
Circumference
126983043.11121
Perimeter
80839916
Area
408443251180441
Diagonal
28581226.397075
Surface area
2450659507082646
Volume
8.2546295290484E+21
Space diagonal
35004710.4479
Perimeter
60629937
Area
1.7686111576329E+14
Altitude
17502355.22395
Surface area
1.7686111576329E+14
Volume
9.7281741936214E+20
Height
9527075.4656918