20797495 is an odd 8-digits composite number following 20797494
and preceding 20797496 . In scientific notation, it is written as 2.0797495 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 15216768 positive integers (up to 20797495) that are relatively prime to 20797495.
20797495 has 8 divisors, whose sum is 22046000
The reverse of 20797495 is 59479702
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million seven hundred ninety-seven thousand four hundred ninety-five
Scientific notation
2.0797495 × 10^7
Engineering notation
2.0797495 × 10^6
Prime Factorization
145 × 19 × 7549
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20797495
Product of the distinct prime numbers
The prime factorization of 20797495 is 145 × 19 × 7549.
Since it has a total of 3 prime factors.
1 , 7 , 82 , 22 , 648 , 317 , 4317 , 2304 , 41333 , 90109 , 874062 , 226937 , 6317248 , 1821458 , 53697340 , 44149783 , 262615966 , 992879207 , 2079751387 , 3876069620
n×2
41594990
n×3
62392485
n×4
83189980
n×5
103987475
n÷2
10398747.5
n÷3
6932498.3333333
n÷3
5199373.75
n÷5
4159499
n2
432535798275025
n3
8.9956611019458E+21
n4
1.8708721678941E+29
n5
3.8909454557417E+36
2 √n
4560.4270633352
3 √n
275.00273275521
4 √n
67.530934121595
5 √n
29.080522522277
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
-20797494
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 20797495 can be divided by 8 positive divisors.
The sum of these divisors (counting 20797495) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010101100000110111
3
Ternary
1110010121210121
4
Quaternary
1033111200313
5
Quinary
20311004440
6
Senary
2021432411
8
Octal
117254067
10
Decimal
20797495
12
Duodecimal
6b6b707
16
Hexadecimal
13d5837
20
Vigesimal
69jdef
36
Base36
cdrg7
md5
3d164df47aa5be502817cf354c99dd7b
sha1
7246f12847101600bba43820aab65c9b3bc569f8
sha256
5e641371a4e8b8c308b4825030ee74ce13a92735a8d55dd81bf889a10e718833
sha512
d3f1be35948c430baf1432891383bf7244d5d6169bd195ba3743b57cd11151388539726591bac2425cac9c90488ff41d58e2478663964bff11c217d2fcc4dec0
ripemd-160
f4bb6ead69bb08259a5b1a8ba169a96f0e1fd29f
Diameter
41594990
Circumference
130674515.01014
Area
1.3588512862754E+15
Volume
3.7680937109409E+22
Surface area
5.4354051451017E+15
Circumference
130674515.01014
Perimeter
83189980
Area
432535798275025
Diagonal
29412099.492387
Surface area
2595214789650150
Volume
8.9956611019458E+21
Space diagonal
36022318.01016
Perimeter
62392485
Area
1.8729349467618E+14
Altitude
18011159.00508
Surface area
1.8729349467618E+14
Volume
1.0601488277403E+21
Height
9804033.1641289