20853940 is an even 8-digits composite number following 20853939
and preceding 20853941 . In scientific notation, it is written as 2.0853940 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 8115840 positive integers (up to 20853940) that are relatively prime to 20853940.
20853940 has 12 divisors, whose sum is 36692964
The reverse of 20853940 is 04935802
Previous prime number is 185
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eight hundred fifty-three thousand nine hundred forty
Scientific notation
2.0853940 × 10^7
Engineering notation
2.0853940 × 10^6
Prime Factorization
2 × 2 × 185 × 28181
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10426970
Product of the distinct prime numbers
The prime factorization of 20853940 is 2 × 2 × 185 × 28181.
Since it has a total of 4 prime factors.
2 , 9 , 69 , 48 , 549 , 688 , 4189 , 1406 , 49545 , 34923 , 582855 , 708500 , 6068424 , 3620059 , 70377407 , 93958843 , 981788136 , 315454377 , 2403989705 , 766810931
n×2
41707880
n×3
62561820
n×4
83415760
n×5
104269700
n÷2
10426970
n÷3
6951313.3333333
n÷3
5213485
n÷5
4170788
n2
434886813523600
n3
9.0691035160123E+21
n4
1.8912654057671E+29
n5
3.9440335295943E+36
2 √n
4566.6114351891
3 √n
275.2512964648
4 √n
67.576707785961
5 √n
29.096290488688
1 , 2 , 4 , 185 , 370 , 740 , 28181 , 56362 , 112724 , 5213485 , 10426970 , 20853940
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20853939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20853940 can be divided by 12 positive divisors.
The sum of these divisors (counting 20853940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111100011010010110100
3
Ternary
1110020111020011
4
Quaternary
1033203102310
5
Quinary
20314311230
6
Senary
2022550004
8
Octal
117432264
10
Decimal
20853940
12
Duodecimal
6b98304
16
Hexadecimal
13e34b4
20
Vigesimal
6a6eh0
36
Base36
cez04
md5
f85caf1439fb32cef1a582207105d9a2
sha1
69a78b45bcb1a90f020e7fad397e5a7f82d3b441
sha256
03489c478e362d17e8f3c8a2b24bb0cfba396e1e09f22294baaac446de0d854b
sha512
9db66387ee5181604b6cdd261037363dc5079be52cbeb65c603e0125c04f9d9bb311009ae6bab32f9ea058edd6661f3dbfd8133bc28895ae2697d235aa52a6cf
ripemd-160
314deba88d9f2995aa4d968113abfd9d06c6bed9
Diameter
41707880
Circumference
131029169.4048
Area
1.3662372185088E+15
Volume
3.7988571974066E+22
Surface area
5.4649488740353E+15
Circumference
131029169.4048
Perimeter
83415760
Area
434886813523600
Diagonal
29491924.776915
Surface area
2609320881141600
Volume
9.0691035160123E+21
Space diagonal
36120083.617993
Perimeter
62561820
Area
1.8831151414115E+14
Altitude
18060041.808996
Surface area
1.8831151414115E+14
Volume
1.0688040992425E+21
Height
9830641.5923049