20405950 is an even 8-digits composite number following 20405949
and preceding 20405951 . In scientific notation, it is written as 2.0405950 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 7681920 positive integers (up to 20405950) that are relatively prime to 20405950.
20405950 has 16 divisors, whose sum is 37164384
The reverse of 20405950 is 05950402
Previous prime number is 85
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred five thousand nine hundred fifty
Scientific notation
2.0405950 × 10^7
Engineering notation
2.0405950 × 10^6
Prime Factorization
2 × 5 × 85 × 24007
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20405950
Product of the distinct prime numbers
The prime factorization of 20405950 is 2 × 5 × 85 × 24007.
Since it has a total of 4 prime factors.
9 , 8 , 57 , 19 , 427 , 79 , 3229 , 3603 , 44548 , 58430 , 580295 , 63862 , 5868556 , 2770086 , 98088739 , 46629973 , 444473239 , 49936741 , 9958051556 , 5679721708
n×2
40811900
n×3
61217850
n×4
81623800
n×5
102029750
n÷2
10202975
n÷3
6801983.3333333
n÷3
5101487.5
n÷5
4081190
n2
416402795402500
n3
8.4970946228436E+21
n4
1.7339128801902E+29
n5
3.5382139537516E+36
2 √n
4517.2945443041
3 √n
273.26600397287
4 √n
67.210821630926
5 √n
28.970191341968
1 , 2 , 5 , 10 , 85 , 170 , 425 , 850 , 24007 , 48014 , 120035 , 240070 , 2040595 , 4081190 , 10202975 , 20405950
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20405949
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20405950 can be divided by 16 positive divisors.
The sum of these divisors (counting 20405950) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101111010111110
3
Ternary
1102101201200221
4
Quaternary
1031311322332
5
Quinary
20210442300
6
Senary
2005211554
8
Octal
115657276
10
Decimal
20405950
12
Duodecimal
6a00bba
16
Hexadecimal
1375ebe
20
Vigesimal
67aeha
36
Base36
c5dby
md5
35d76fbe912dd38ae557d2b02aa0b46c
sha1
8a4e8a3add8f9330319b44c67e1eb15c2c10ecf1
sha256
e4c415b44266f5a3f1fa00775bcf8a7d7dd023f8c8d71737501be4154d47c32c
sha512
eb4757c9132f8a800ad8544d3da8b72461bb9ac5db88a6b21e72222b57f5413a81a0a8045be49991cf2fd54aeea3f3f5a03dedfe348893bb4e53ee046b537434
ripemd-160
28625591b83656cd46cc693499e2b9f1ab59b778
Diameter
40811900
Circumference
128214365.21904
Area
1.3081679629707E+15
Volume
3.5592546725311E+22
Surface area
5.232671851883E+15
Circumference
128214365.21904
Perimeter
81623800
Area
416402795402500
Diagonal
28858371.243107
Surface area
2498416772415000
Volume
8.4970946228436E+21
Space diagonal
35344142.17671
Perimeter
61217850
Area
1.8030769951271E+14
Altitude
17672071.088355
Surface area
1.8030769951271E+14
Volume
1.0013922046994E+21
Height
9619457.0810358