20681615 is an odd 8-digits composite number following 20681614
and preceding 20681616 . In scientific notation, it is written as 2.0681615 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 16520800 positive integers (up to 20681615) that are relatively prime to 20681615.
20681615 has 8 divisors, whose sum is 24854688
The reverse of 20681615 is 51618602
Previous prime number is 773
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million six hundred eighty-one thousand six hundred fifteen
Scientific notation
2.0681615 × 10^7
Engineering notation
2.0681615 × 10^6
Prime Factorization
5 × 773 × 5351
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20681615
Product of the distinct prime numbers
The prime factorization of 20681615 is 5 × 773 × 5351.
Since it has a total of 3 prime factors.
5 , 2 , 6 , 97 , 139 , 336 , 8829 , 2918 , 92711 , 91982 , 524139 , 512401 , 5688172 , 1916588 , 90115413 , 52779876 , 963478503 , 457025319 , 9726440830 , 7934560836
n×2
41363230
n×3
62044845
n×4
82726460
n×5
103408075
n÷2
10340807.5
n÷3
6893871.6666667
n÷3
5170403.75
n÷5
4136323
n2
427729199008225
n3
8.8461306181465E+21
n4
1.8295226768422E+29
n5
3.7837483636219E+36
2 √n
4547.7043659411
3 √n
274.491025505
4 √n
67.436669297506
5 √n
29.048043739191
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
-20681614
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 20681615 can be divided by 8 positive divisors.
The sum of these divisors (counting 20681615) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111001001110001111
3
Ternary
1102220201211202
4
Quaternary
1032321032033
5
Quinary
20243302430
6
Senary
2015140115
8
Octal
116711617
10
Decimal
20681615
12
Duodecimal
6b1463b
16
Hexadecimal
13b938f
20
Vigesimal
69540f
36
Base36
cba1b
md5
0ce9486c638a18257dfb117d7019d962
sha1
5aa583ea209f79976f6ff27fbfa4087a4ed9020f
sha256
f0e58be30b44242be4faf1b81fba23efbae238f17c8b8541e86eb544d67f4d5d
sha512
c1af6fbb354333a30cf05f5cf1c5a47c7488934a7871ad17fc1173771a0fe17ea9ac749e56da7aabe9351b88ccb71ea4826e4c6275e184e5f05223307d44f5a3
ripemd-160
47714b1f5e317e615c6810903eb60af2eab727c0
Diameter
41363230
Circumference
129946419.49674
Area
1.3437509093301E+15
Volume
3.7054585283553E+22
Surface area
5.3750036373203E+15
Circumference
129946419.49674
Perimeter
82726460
Area
427729199008225
Diagonal
29248220.424779
Surface area
2566375194049350
Volume
8.8461306181465E+21
Space diagonal
35821607.962579
Perimeter
62044845
Area
1.8521217614075E+14
Altitude
17910803.981289
Surface area
1.8521217614075E+14
Volume
1.0425264912256E+21
Height
9749406.8082596