20798817 is an odd 8-digits composite number following 20798816
and preceding 20798818 . In scientific notation, it is written as 2.0798817 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 12799248 positive integers (up to 20798817) that are relatively prime to 20798817.
20798817 has 8 divisors, whose sum is 29865024
The reverse of 20798817 is 71889702
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million seven hundred ninety-eight thousand eight hundred seventeen
Scientific notation
2.0798817 × 10^7
Engineering notation
2.0798817 × 10^6
Prime Factorization
3 × 13 × 533303
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20798817
Product of the distinct prime numbers
The prime factorization of 20798817 is 3 × 13 × 533303.
Since it has a total of 3 prime factors.
3 , 9 , 60 , 33 , 516 , 269 , 3727 , 5993 , 56398 , 42200 , 601566 , 379469 , 8118680 , 340119 , 90371913 , 93054489 , 532374680 , 902569572 , 4209344140 , 4775378022
n×2
41597634
n×3
62396451
n×4
83195268
n×5
103994085
n÷2
10399408.5
n÷3
6932939
n÷3
5199704.25
n÷5
4159763.4
n2
432590788599489
n3
8.9973766479665E+21
n4
1.8713479038113E+29
n5
3.8921822594704E+36
2 √n
4560.5720035978
3 √n
275.00855951319
4 √n
67.532007252841
5 √n
29.080892215582
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
-20798816
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 20798817 can be divided by 8 positive divisors.
The sum of these divisors (counting 20798817) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010101110101100001
3
Ternary
1110010200121120
4
Quaternary
1033111311201
5
Quinary
20311030232
6
Senary
2021442453
8
Octal
117256541
10
Decimal
20798817
12
Duodecimal
6b70429
16
Hexadecimal
13d5d61
20
Vigesimal
69jh0h
36
Base36
cdsgx
md5
ad62991e22ab8372e41020bdfdb6ea2d
sha1
d734806b134c5f244e2c62809bfdb9c28822e773
sha256
7e042fb38b8094b996242100d02df952b7500895cb44ece2faffde67c00ffddc
sha512
71ed79b8909eeb69662518de96b3eabb4c27879786f0bcebe1a57151eea361be984cb70da0183fda31258637724cabe25da88103adb7d15a9b5d5bc8e87dcf11
ripemd-160
c56cc6224ff4e4ba33d77cb8f7f4e4b7278733cd
Diameter
41597634
Circumference
130682821.38112
Area
1.3590240434748E+15
Volume
3.7688123171776E+22
Surface area
5.4360961738991E+15
Circumference
130682821.38112
Perimeter
83195268
Area
432590788599489
Diagonal
29413969.082716
Surface area
2595544731596934
Volume
8.9973766479665E+21
Space diagonal
36024607.781327
Perimeter
62396451
Area
1.8731730618515E+14
Altitude
18012303.890664
Surface area
1.8731730618515E+14
Volume
1.0603510067778E+21
Height
9804656.3609054