20145591 is an odd 8-digits composite number following 20145590
and preceding 20145592 . In scientific notation, it is written as 2.0145591 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 20 positive divisors.
There are 13242528 positive integers (up to 20145591) that are relatively prime to 20145591.
20145591 has 20 divisors, whose sum is 30515232
The reverse of 20145591 is 19554102
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred forty-five thousand five hundred ninety-one
Scientific notation
2.0145591 × 10^7
Engineering notation
2.0145591 × 10^6
Prime Factorization
3 × 3 × 9 × 73 × 3407
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6715197
Product of the distinct prime numbers
The prime factorization of 20145591 is 3 × 3 × 9 × 73 × 3407.
Since it has a total of 5 prime factors.
1 , 1 , 26 , 37 , 657 , 128 , 4387 , 8769 , 53618 , 90281 , 256642 , 160621 , 9430895 , 502124 , 66899096 , 92339458 , 879962062 , 54922886 , 1479462756 , 750973022
n×2
40291182
n×3
60436773
n×4
80582364
n×5
100727955
n÷2
10072795.5
n÷3
6715197
n÷3
5036397.75
n÷5
4029118.2
n2
405844836739281
n3
8.1759840904113E+21
n4
1.6471003150793E+29
n5
3.3181809283559E+36
2 √n
4488.3840076357
3 √n
272.09882780608
4 √n
66.995402884345
5 √n
28.895885151972
1 , 3 , 9 , 27 , 73 , 81 , 219 , 657 , 1971 , 3407 , 5913 , 10221 , 30663 , 91989 , 248711 , 275967 , 746133 , 2238399 , 6715197 , 20145591
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
-20145590
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 20145591 can be divided by 20 positive divisors.
The sum of these divisors (counting 20145591) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100110110010110110111
3
Ternary
1101220111120000
4
Quaternary
1030312112313
5
Quinary
20124124331
6
Senary
1555442343
8
Octal
114662667
10
Decimal
20145591
12
Duodecimal
68b63b3
16
Hexadecimal
13365b7
20
Vigesimal
65i3jb
36
Base36
bzsfr
md5
3fee2d927711fd85b1cfca2fb1b90bbb
sha1
d682818a0212fb743fc49bfee8344c3313b3fa08
sha256
7691ae56e029d789aafc54ddc8b6c2fe18e11d15b05ec36c9f86b7a067e59cc9
sha512
29df4942f4c2cd3f8543492c1aaaa88596a5f389da16ea8dafdf938cacd5b14e8614c2cffd65851ac7e0c1e66ed2e33e34a5445c7a2a155025b920f5701f8579
ripemd-160
f738f8e4ea24d7e733916cac1b21f14b60976375
Diameter
40291182
Circumference
126578481.37565
Area
1.2749991575975E+15
Volume
3.4247482072404E+22
Surface area
5.0999966303899E+15
Circumference
126578481.37565
Perimeter
80582364
Area
405844836739281
Diagonal
28490168.014221
Surface area
2435069020435686
Volume
8.1759840904113E+21
Space diagonal
34893187.160502
Perimeter
60436773
Area
1.7573596930548E+14
Altitude
17446593.580251
Surface area
1.7573596930548E+14
Volume
9.6354896553386E+20
Height
9496722.6714071