20121582 is an even 8-digits composite number following 20121581
and preceding 20121583 . In scientific notation, it is written as 2.0121582 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 6088320 positive integers (up to 20121582) that are relatively prime to 20121582.
20121582 has 32 divisors, whose sum is 44059680
The reverse of 20121582 is 28512102
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred twenty-one thousand five hundred eighty-two
Scientific notation
2.0121582 × 10^7
Engineering notation
2.0121582 × 10^6
Prime Factorization
2 × 3 × 13 × 61 × 4229
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20121582
Product of the distinct prime numbers
The prime factorization of 20121582 is 2 × 3 × 13 × 61 × 4229.
Since it has a total of 5 prime factors.
4 , 8 , 86 , 34 , 427 , 962 , 6722 , 1575 , 45892 , 47537 , 426917 , 535431 , 3296770 , 7643056 , 31403937 , 59319962 , 675260533 , 800657488 , 5140121369 , 8144728446
n×2
40243164
n×3
60364746
n×4
80486328
n×5
100607910
n÷2
10060791
n÷3
6707194
n÷3
5030395.5
n÷5
4024316.4
n2
404878062182724
n3
8.1467871282108E+21
n4
1.6392624523684E+29
n5
3.2984553854851E+36
2 √n
4485.7086396689
3 √n
271.99069136252
4 √n
66.975433105497
5 √n
28.88899439095
1 , 2 , 3 , 6 , 13 , 26 , 39 , 61 , 78 , 122 , 183 , 366 , 793 , 1586 , 2379 , 4229 , 4758 , 8458 , 12687 , 25374 , 54977 , 109954 , 164931 , 257969 , 329862 , 515938 , 773907 , 1547814 , 3353597 , 6707194 , 10060791 , 20121582
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
-20121581
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 20121582 can be divided by 32 positive divisors.
The sum of these divisors (counting 20121582) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110000011111101110
3
Ternary
1101212021121210
4
Quaternary
1030300133232
5
Quinary
20122342312
6
Senary
1555135250
8
Octal
114603756
10
Decimal
20121582
12
Duodecimal
68a4526
16
Hexadecimal
13307ee
20
Vigesimal
65f3j2
36
Base36
bz9wu
md5
f5a0853a92cd0883868fefb31d372390
sha1
546ebf2e5b175e075c48fb332775081037f2bf56
sha256
1c7737c95ac1a12f4358a53bdad0bc4ab90ff67a5d666bce9ad817dd9f498e24
sha512
bc3f8000f467a603cc8dd04e3e7724491b2ce15f19e969e4c407c1b2ae6311e84f63f1bb8089cf04a43af18a78c400f4d60e438d1c626a7071af22e99de8853f
ripemd-160
247677123296152fe9b96b14a2b566d1915024b4
Diameter
40243164
Circumference
126427628.37961
Area
1.2719619457529E+15
Volume
3.4125182123129E+22
Surface area
5.0878477830117E+15
Circumference
126427628.37961
Perimeter
80486328
Area
404878062182724
Diagonal
28456214.160802
Surface area
2429268373096344
Volume
8.1467871282108E+21
Space diagonal
34851602.352663
Perimeter
60364746
Area
1.7531734364263E+14
Altitude
17425801.176332
Surface area
1.7531734364263E+14
Volume
9.6010807054019E+20
Height
9485404.7202675