20949936 is an even 8-digits composite number following 20949935
and preceding 20949937 . In scientific notation, it is written as 2.0949936 × 10^7.
The sum of its digits is 42. It has a total of 6 prime factors and 20 positive divisors.
There are 5985600 positive integers (up to 20949936) that are relatively prime to 20949936.
20949936 has 20 divisors, whose sum is 42524064
The reverse of 20949936 is 63994902
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million nine hundred forty-nine thousand nine hundred thirty-six
Scientific notation
2.0949936 × 10^7
Engineering notation
2.0949936 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 21 × 62351
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2618742
Product of the distinct prime numbers
The prime factorization of 20949936 is 2 × 2 × 2 × 2 × 21 × 62351.
Since it has a total of 6 prime factors.
5 , 5 , 1 , 88 , 946 , 975 , 4446 , 4681 , 89617 , 8791 , 293645 , 106200 , 7477592 , 8169559 , 55825346 , 79907392 , 451472722 , 448155698 , 6144118584 , 2878130003
n×2
41899872
n×3
62849808
n×4
83799744
n×5
104749680
n÷2
10474968
n÷3
6983312
n÷3
5237484
n÷5
4189987.2
n2
438899818404096
n3
9.1949231059774E+21
n4
1.9263305059515E+29
n5
4.0356500814531E+36
2 √n
4577.1100052326
3 √n
275.6730006744
4 √n
67.654342101838
5 √n
29.123028828491
1 , 2 , 4 , 8 , 16 , 21 , 42 , 84 , 168 , 336 , 62351 , 124702 , 249404 , 498808 , 997616 , 1309371 , 2618742 , 5237484 , 10474968 , 20949936
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20949935
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20949936 can be divided by 20 positive divisors.
The sum of these divisors (counting 20949936) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001111111010101110110000
3
Ternary
1110102100220120
4
Quaternary
1033322232300
5
Quinary
20330344221
6
Senary
2025010240
8
Octal
117725660
10
Decimal
20949936
12
Duodecimal
7023980
16
Hexadecimal
13fabb0
20
Vigesimal
6aiegg
36
Base36
ch12o
md5
6e16781cf082ca0ed2e98a044fb994b6
sha1
d946aabc135281dc19a5bcee89fe731fec3ee7a9
sha256
197d8f64ca2c92d658770d0b37e62592b8e10f23598603897134417d9d97c53d
sha512
f3db725520284c042932cd3f406306cb7c15cd78b3a074da03307122b504167141f84349687d0a2ff8d5e61ac669cc580c6ebf255d0907e94cf6e5a14fa9e0c1
ripemd-160
987003321fd5de41b6ac30dfb2e45a5e1379d57f
Diameter
41899872
Circumference
131632330.06155
Area
1.3788444451602E+15
Volume
3.8515603840082E+22
Surface area
5.5153777806408E+15
Circumference
131632330.06155
Perimeter
83799744
Area
438899818404096
Diagonal
29627683.622048
Surface area
2633398910424576
Volume
9.1949231059774E+21
Space diagonal
36286353.567316
Perimeter
62849808
Area
1.9004919622716E+14
Altitude
18143176.783658
Surface area
1.9004919622716E+14
Volume
1.0836320801209E+21
Height
9875894.5406828