20802509 is an odd 8-digits composite number following 20802508
and preceding 20802510 . In scientific notation, it is written as 2.0802509 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 15353856 positive integers (up to 20802509) that are relatively prime to 20802509.
20802509 has 16 divisors, whose sum is 22654080
The reverse of 20802509 is 90520802
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million eight hundred two thousand five hundred nine
Scientific notation
2.0802509 × 10^7
Engineering notation
2.0802509 × 10^6
Prime Factorization
91 × 119 × 17 × 113
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20802509
Product of the distinct prime numbers
The prime factorization of 20802509 is 91 × 119 × 17 × 113.
Since it has a total of 4 prime factors.
7 , 4 , 29 , 26 , 6 , 357 , 2672 , 8247 , 53760 , 68997 , 521415 , 403622 , 9449988 , 5776 , 15690243 , 61430453 , 920486004 , 547078234 , 2044275791 , 5219405993
n×2
41605018
n×3
62407527
n×4
83210036
n×5
104012545
n÷2
10401254.5
n÷3
6934169.6666667
n÷3
5200627.25
n÷5
4160501.8
n2
432744380695081
n3
9.0021688741088E+21
n4
1.8726769902317E+29
n5
3.8956379943388E+36
2 √n
4560.9767594234
3 √n
275.02483081571
4 √n
67.53500395664
5 √n
29.081924572676
1 , 17 , 91 , 113 , 119 , 1547 , 1921 , 2023 , 10283 , 10829 , 13447 , 174811 , 184093 , 228599 , 1223677 , 20802509
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
-20802508
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 20802509 can be divided by 16 positive divisors.
The sum of these divisors (counting 20802509) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010110101111001101
3
Ternary
1110010212200022
4
Quaternary
1033112233031
5
Quinary
20311140014
6
Senary
2021511525
8
Octal
117265715
10
Decimal
20802509
12
Duodecimal
6b725a5
16
Hexadecimal
13d6bcd
20
Vigesimal
6a0659
36
Base36
cdvbh
md5
7576839c5888b174100b16eb291a0bf8
sha1
239c660f51de9448e1217cd7588badbca3cd822a
sha256
2e64f4c3f68ed15d5744a8a8e79b36aa1bbe8ca075f0681d5e0b82473f56fda3
sha512
29a13c211116540f0ec58c388d95130b20c69fd6fcb060f331cc78034d909a631f3a8b340b56dc30d936668e6463ac9945ab1a086bc164480dd0cffeeea3ad27
ripemd-160
0aa7ea87355ba74a272f4a04bec9cd412a5961cb
Diameter
41605018
Circumference
130706018.90127
Area
1.3595065672739E+15
Volume
3.77081968017E+22
Surface area
5.4380262690957E+15
Circumference
130706018.90127
Perimeter
83210036
Area
432744380695081
Diagonal
29419190.359188
Surface area
2596466284170486
Volume
9.0021688741088E+21
Space diagonal
36031002.512909
Perimeter
62407527
Area
1.8738381351345E+14
Altitude
18015501.256454
Surface area
1.8738381351345E+14
Volume
1.0609157760448E+21
Height
9806396.7863961