20949946 is an even 8-digits composite number following 20949945
and preceding 20949947 . In scientific notation, it is written as 2.0949946 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 10277280 positive integers (up to 20949946) that are relatively prime to 20949946.
20949946 has 8 divisors, whose sum is 32018004
The reverse of 20949946 is 64994902
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million nine hundred forty-nine thousand nine hundred forty-six
Scientific notation
2.0949946 × 10^7
Engineering notation
2.0949946 × 10^6
Prime Factorization
2 × 53 × 197641
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20949946
Product of the distinct prime numbers
The prime factorization of 20949946 is 2 × 53 × 197641.
Since it has a total of 3 prime factors.
6 , 8 , 65 , 68 , 75 , 60 , 113 , 9653 , 59886 , 55568 , 457920 , 957231 , 9485748 , 2502453 , 92015312 , 92492903 , 771733177 , 34361120 , 8197751751 , 2604464267
n×2
41899892
n×3
62849838
n×4
83799784
n×5
104749730
n÷2
10474973
n÷3
6983315.3333333
n÷3
5237486.5
n÷5
4189989.2
n2
438900237402916
n3
9.1949362729783E+21
n4
1.9263341839234E+29
n5
4.0356597131148E+36
2 √n
4577.1110976248
3 √n
275.67304453658
4 √n
67.654350175172
5 √n
29.123031608741
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
-20949945
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 20949946 can be divided by 8 positive divisors.
The sum of these divisors (counting 20949946) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111111010101110111010
3
Ternary
1110102100220221
4
Quaternary
1033322232322
5
Quinary
20330344241
6
Senary
2025010254
8
Octal
117725672
10
Decimal
20949946
12
Duodecimal
702398a
16
Hexadecimal
13fabba
20
Vigesimal
6aieh6
36
Base36
ch12y
md5
e74782aa8a2333a5cc28503cadab5700
sha1
4c3d8466aefe176e929fe2fb21ceec8f3726c500
sha256
4d14f8bfaf0bfa3f363feee46391a0e98c760b188ad68d42683b53b515a15204
sha512
7915a6e2eca0757699e1312c3954f5356dec77e8cbb7547307594d96a873f04502101499685731633832d3915a5d51a5653d64f6e21f59f314ec7066aaf32506
ripemd-160
7e7472bdd85cb4a708e177d7c3339dcdc1321347
Diameter
41899892
Circumference
131632392.89341
Area
1.3788457614838E+15
Volume
3.8515658993886E+22
Surface area
5.5153830459353E+15
Circumference
131632392.89341
Perimeter
83799784
Area
438900237402916
Diagonal
29627697.764184
Surface area
2633401424417496
Volume
9.1949362729783E+21
Space diagonal
36286370.887824
Perimeter
62849838
Area
1.9004937765897E+14
Altitude
18143185.443912
Surface area
1.9004937765897E+14
Volume
1.0836336318668E+21
Height
9875899.254728