20839940 is an even 8-digits composite number following 20839939
and preceding 20839941 . In scientific notation, it is written as 2.0839940 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 7578080 positive integers (up to 20839940) that are relatively prime to 20839940.
20839940 has 24 divisors, whose sum is 47742912
The reverse of 20839940 is 04993802
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million eight hundred thirty-nine thousand nine hundred forty
Scientific notation
2.0839940 × 10^7
Engineering notation
2.0839940 × 10^6
Prime Factorization
2 × 2 × 5 × 11 × 94727
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10419970
Product of the distinct prime numbers
The prime factorization of 20839940 is 2 × 2 × 5 × 11 × 94727.
Since it has a total of 5 prime factors.
1 , 1 , 35 , 55 , 728 , 892 , 9334 , 6524 , 63627 , 41009 , 842017 , 299089 , 7493352 , 5553660 , 66231347 , 35744371 , 643150925 , 496192407 , 7580213821 , 5221433745
n×2
41679880
n×3
62519820
n×4
83359760
n×5
104199700
n÷2
10419970
n÷3
6946646.6666667
n÷3
5209985
n÷5
4167988
n2
434303099203600
n3
9.0508505292171E+21
n4
1.8861918197785E+29
n5
3.9308124352675E+36
2 √n
4565.0783125813
3 √n
275.18968731073
4 √n
67.565363260929
5 √n
29.092382761919
1 , 2 , 4 , 5 , 10 , 11 , 20 , 22 , 44 , 55 , 110 , 220 , 94727 , 189454 , 378908 , 473635 , 947270 , 1041997 , 1894540 , 2083994 , 4167988 , 5209985 , 10419970 , 20839940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20839939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20839940 can be divided by 24 positive divisors.
The sum of these divisors (counting 20839940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111011111111000000100
3
Ternary
1110012210000122
4
Quaternary
1033133320010
5
Quinary
20313334230
6
Senary
2022401112
8
Octal
117377004
10
Decimal
20839940
12
Duodecimal
6b90198
16
Hexadecimal
13dfe04
20
Vigesimal
6a4jh0
36
Base36
ceo78
md5
8fed007d2a017158d532a60a47ce7576
sha1
44beb819c208ce2e942825078444ea5b4b077312
sha256
9a22ad01eebb677fd3f6af75a17f5f3c146011c08f23028889eb7f6440b0ea15
sha512
e53e52743256ee0fda21d511a835a4c5c2375939783f71da22fa1494d481a1d5b5d7140fb5c3b4116e53f63ed7186826afeb19125a0431fccbd8fff7c2dc6452
ripemd-160
d87fb57c430217ab379868211fdb6823d92a1eeb
Diameter
41679880
Circumference
130941204.8105
Area
1.3644034258893E+15
Volume
3.791211404177E+22
Surface area
5.4576137035572E+15
Circumference
130941204.8105
Perimeter
83359760
Area
434303099203600
Diagonal
29472125.787042
Surface area
2605818595221600
Volume
9.0508505292171E+21
Space diagonal
36095834.906687
Perimeter
62519820
Area
1.8805875842632E+14
Altitude
18047917.453343
Surface area
1.8805875842632E+14
Volume
1.0666529641192E+21
Height
9824041.9290139