20405730 is an even 8-digits composite number following 20405729
and preceding 20405731 . In scientific notation, it is written as 2.0405730 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 5407616 positive integers (up to 20405730) that are relatively prime to 20405730.
20405730 has 32 divisors, whose sum is 49279104
The reverse of 20405730 is 03750402
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million four hundred five thousand seven hundred thirty
Scientific notation
2.0405730 × 10^7
Engineering notation
2.0405730 × 10^6
Prime Factorization
2 × 3 × 5 × 167 × 4073
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20405730
Product of the distinct prime numbers
The prime factorization of 20405730 is 2 × 3 × 5 × 167 × 4073.
Since it has a total of 5 prime factors.
1 , 2 , 99 , 51 , 137 , 792 , 3905 , 4731 , 53228 , 67234 , 816198 , 966554 , 4927201 , 4987977 , 79915141 , 67250910 , 230269929 , 923945618 , 1509790450 , 3649247641
n×2
40811460
n×3
61217190
n×4
81622920
n×5
102028650
n÷2
10202865
n÷3
6801910
n÷3
5101432.5
n÷5
4081146
n2
416393816832900
n3
8.4968197999616E+21
n4
1.7338381069667E+29
n5
3.5380232274474E+36
2 √n
4517.2701933801
3 √n
273.265021927
4 √n
67.210640477383
5 √n
28.970128875192
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 167 , 334 , 501 , 835 , 1002 , 1670 , 2505 , 4073 , 5010 , 8146 , 12219 , 20365 , 24438 , 40730 , 61095 , 122190 , 680191 , 1360382 , 2040573 , 3400955 , 4081146 , 6801910 , 10202865 , 20405730
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20405729
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20405730 can be divided by 32 positive divisors.
The sum of these divisors (counting 20405730) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101110101110111100010
3
Ternary
1102101201101210
4
Quaternary
1031311313202
5
Quinary
20210440410
6
Senary
2005210550
8
Octal
115656742
10
Decimal
20405730
12
Duodecimal
6a00a56
16
Hexadecimal
1375de2
20
Vigesimal
67ae6a
36
Base36
c5d5u
md5
e68572aec3e82ceecd323e1a8d6e87f0
sha1
d8fdf9cc670a64c9d0f27f220a0e9786e2f21017
sha256
876c96faafab595fc2b880d35dcbb1aa83dd6151924a87ae1d71ed816fe1139e
sha512
cee8d9f7a4f483682a05ac93b809f489a8d55163f4968e357f3761b13654174e21851fd00db6f207634e14434def0c8759989779cc2c96471b2069c47a25594e
ripemd-160
17e13969e9cb936944fb9c5c2e1d0b2579ff6f62
Diameter
40811460
Circumference
128212982.91827
Area
1.3081397559625E+15
Volume
3.5591395549914E+22
Surface area
5.2325590238498E+15
Circumference
128212982.91827
Perimeter
81622920
Area
416393816832900
Diagonal
28858060.116124
Surface area
2498362900997400
Volume
8.4968197999616E+21
Space diagonal
35343761.125532
Perimeter
61217190
Area
1.8030381167803E+14
Altitude
17671880.562766
Surface area
1.8030381167803E+14
Volume
1.0013598165122E+21
Height
9619353.3720412