20686913 is an odd 8-digits composite number following 20686912
and preceding 20686914 . In scientific notation, it is written as 2.0686913 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 17829504 positive integers (up to 20686913) that are relatively prime to 20686913.
20686913 has 8 divisors, whose sum is 21638400
The reverse of 20686913 is 31968602
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million six hundred eighty-six thousand nine hundred thirteen
Scientific notation
2.0686913 × 10^7
Engineering notation
2.0686913 × 10^6
Prime Factorization
559 × 23 × 1609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20686913
Product of the distinct prime numbers
The prime factorization of 20686913 is 559 × 23 × 1609.
Since it has a total of 3 prime factors.
2 , 7 , 65 , 93 , 344 , 872 , 2466 , 6865 , 28142 , 82340 , 136410 , 58385 , 6243152 , 9732955 , 62891901 , 7841536 , 156113388 , 576824843 , 9658224100 , 8002533984
n×2
41373826
n×3
62060739
n×4
82747652
n×5
103434565
n÷2
10343456.5
n÷3
6895637.6666667
n÷3
5171728.25
n÷5
4137382.6
n2
427948369469569
n3
8.8529306877088E+21
n4
1.8313980693166E+29
n5
3.7885972528321E+36
2 √n
4548.2868203314
3 √n
274.51446225131
4 √n
67.440987687988
5 √n
29.049531831573
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
-20686912
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 20686913 can be divided by 8 positive divisors.
The sum of these divisors (counting 20686913) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111010100001000001
3
Ternary
1102221000002222
4
Quaternary
1032322201001
5
Quinary
20243440123
6
Senary
2015220425
8
Octal
116724101
10
Decimal
20686913
12
Duodecimal
6b17715
16
Hexadecimal
13ba841
20
Vigesimal
695h5d
36
Base36
cbe4h
md5
89f39f6f1a47076c0c9a0ded97350f5c
sha1
31edbf76904f88ced109bec7bbe0ee0c71c566f1
sha256
d2a68bf4d5837090c76c941a2ac295ccb4f79f78d2152ceb3a7c2011271b65c0
sha512
60dfe03ba4cdcc97c9843b2258d549d290ddeebf6f8ba7110390e7072afe47d3af7eb0ffb6c3b3a644812133912b210ac8d6b5593d03440d9c1ce96595f83395
ripemd-160
44c3ff9b3222dd9500465ce365e02c1f34e164df
Diameter
41373826
Circumference
129979707.8125
Area
1.3444394536413E+15
Volume
3.7083069348328E+22
Surface area
5.3777578145653E+15
Circumference
129979707.8125
Perimeter
82747652
Area
427948369469569
Diagonal
29255712.928232
Surface area
2567690216817414
Volume
8.8529306877088E+21
Space diagonal
35830784.367757
Perimeter
62060739
Area
1.8530707973439E+14
Altitude
17915392.183879
Surface area
1.8530707973439E+14
Volume
1.0433278871089E+21
Height
9751904.3094108