20509997 is an odd 8-digits composite number following 20509996
and preceding 20509998 . In scientific notation, it is written as 2.0509997 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 19563280 positive integers (up to 20509997) that are relatively prime to 20509997.
20509997 has 8 divisors, whose sum is 21461760
The reverse of 20509997 is 79990502
Previous prime number is 2069
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million five hundred nine thousand nine hundred ninety-seven
Scientific notation
2.0509997 × 10^7
Engineering notation
2.0509997 × 10^6
Prime Factorization
23 × 2069 × 431
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20509997
Product of the distinct prime numbers
The prime factorization of 20509997 is 23 × 2069 × 431.
Since it has a total of 3 prime factors.
3 , 5 , 23 , 61 , 631 , 707 , 9685 , 7329 , 62486 , 96370 , 230374 , 875377 , 8595707 , 6625865 , 43149224 , 77511381 , 675794115 , 623042116 , 2927765945 , 1351750455
n×2
41019994
n×3
61529991
n×4
82039988
n×5
102549985
n÷2
10254998.5
n÷3
6836665.6666667
n÷3
5127499.25
n÷5
4101999.4
n2
420659976940009
n3
8.6277348650597E+21
n4
1.7695481619917E+29
n5
3.6293427493805E+36
2 √n
4528.7964184759
3 √n
273.72966481558
4 √n
67.296332875394
5 √n
28.999674238137
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
-20509996
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 20509997 can be divided by 8 positive divisors.
The sum of these divisors (counting 20509997) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001111010100101101
3
Ternary
1102121000102112
4
Quaternary
1032033110231
5
Quinary
20222304442
6
Senary
2011333405
8
Octal
116172455
10
Decimal
20509997
12
Duodecimal
6a51265
16
Hexadecimal
138f52d
20
Vigesimal
683ejh
36
Base36
c7lm5
md5
68e39f471292044aee41b94230800f68
sha1
fe779793ea64c8d5b9e06da58e72202d63905bc1
sha256
de655a6e7c4cae29ba5e63afa391608038f04d6abcca44dd8a85ddb8aba2046f
sha512
e0b2127829d652164f9c36e2db78561240b372fada987fa22049791a49bd1824fd99fa1d1e270e47a587568e895ad4d57fe08b01fd2493b1ea2c1e09b3b8f6f4
ripemd-160
ebb0a3bc68b9dfaca58b5290d853f7b6bc69d0f8
Diameter
41019994
Circumference
128868111.8007
Area
1.321542293214E+15
Volume
3.6139771292256E+22
Surface area
5.2861691728559E+15
Circumference
128868111.8007
Perimeter
82039988
Area
420659976940009
Diagonal
29005515.921631
Surface area
2523959861640054
Volume
8.6277348650597E+21
Space diagonal
35524356.867085
Perimeter
61529991
Area
1.8215111319271E+14
Altitude
17762178.433543
Surface area
1.8215111319271E+14
Volume
1.0167883048939E+21
Height
9668505.3072105