20209903 is an odd 8-digits composite number following 20209902
and preceding 20209904 . In scientific notation, it is written as 2.0209903 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 17322480 positive integers (up to 20209903) that are relatively prime to 20209903.
20209903 has 8 divisors, whose sum is 23568800
The reverse of 20209903 is 30990202
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million two hundred nine thousand nine hundred three
Scientific notation
2.0209903 × 10^7
Engineering notation
2.0209903 × 10^6
Prime Factorization
49 × 7 × 58921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20209903
Product of the distinct prime numbers
The prime factorization of 20209903 is 49 × 7 × 58921.
Since it has a total of 3 prime factors.
3 , 10 , 24 , 5 , 144 , 473 , 4664 , 938 , 43748 , 56547 , 61189 , 643734 , 1471003 , 1370116 , 79757109 , 65492856 , 235901834 , 561270939 , 3170436776 , 7172886599
n×2
40419806
n×3
60629709
n×4
80839612
n×5
101049515
n÷2
10104951.5
n÷3
6736634.3333333
n÷3
5052475.75
n÷5
4041980.6
n2
408440179269409
n3
8.2545364043374E+21
n4
1.6682338004163E+29
n5
3.3714843287734E+36
2 √n
4495.5425701466
3 √n
272.38806613939
4 √n
67.048807373037
5 √n
28.91431085801
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20209902
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20209903 can be divided by 8 positive divisors.
The sum of these divisors (counting 20209903) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000110000011101111
3
Ternary
1102000202202221
4
Quaternary
1031012003233
5
Quinary
20133204103
6
Senary
2001100211
8
Octal
115060357
10
Decimal
20209903
12
Duodecimal
6927667
16
Hexadecimal
13460ef
20
Vigesimal
6664f3
36
Base36
c1627
md5
598f122ceaf7400c32e774e60d558f9d
sha1
cdd46a5a9915d1da1276d62cd0a473eb16c06330
sha256
b5b702922a2fd688c67cf2634f807db1bfdf263cd0ec72b178e91930f73dbb73
sha512
0636e127b6d1813c0fe4947b2e215dcd0f644fc6c1349ababee68f4b3131d1cda5138d2591c6f6c217216d2d69287e4017dc249b147e767286119a3a198c4784
ripemd-160
1217efb6ffb63a00a0667a0c4f76a578d19a9be3
Diameter
40419806
Circumference
126982565.58912
Area
1.2831526666237E+15
Volume
3.4576521235541E+22
Surface area
5.1326106664947E+15
Circumference
126982565.58912
Perimeter
80839612
Area
408440179269409
Diagonal
28581118.916845
Surface area
2450641075616454
Volume
8.2545364043374E+21
Space diagonal
35004578.812039
Perimeter
60629709
Area
1.7685978558679E+14
Altitude
17502289.406019
Surface area
1.7685978558679E+14
Volume
9.728064445097E+20
Height
9527039.6389482