20081445 is an odd 8-digits composite number following 20081444
and preceding 20081446 . In scientific notation, it is written as 2.0081445 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 10684224 positive integers (up to 20081445) that are relatively prime to 20081445.
20081445 has 8 divisors, whose sum is 21472000
The reverse of 20081445 is 54418002
Previous prime number is 487
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million eighty-one thousand four hundred forty-five
Scientific notation
2.0081445 × 10^7
Engineering notation
2.0081445 × 10^6
Prime Factorization
15 × 487 × 2749
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20081445
Product of the distinct prime numbers
The prime factorization of 20081445 is 15 × 487 × 2749.
Since it has a total of 3 prime factors.
3 , 7 , 68 , 29 , 998 , 125 , 9978 , 6470 , 56011 , 89733 , 711056 , 346670 , 6643456 , 3253848 , 25469829 , 61183224 , 218742123 , 130068516 , 313036132 , 7426019451
n×2
40162890
n×3
60244335
n×4
80325780
n×5
100407225
n÷2
10040722.5
n÷3
6693815
n÷3
5020361.25
n÷5
4016289
n2
403264433288025
n3
8.0981325375296E+21
n4
1.6262220315511E+29
n5
3.2656888284382E+36
2 √n
4481.2325313467
3 √n
271.8097222061
4 √n
66.94200871909
5 √n
28.8774600708
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081444
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081445 can be divided by 8 positive divisors.
The sum of these divisors (counting 20081445) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110101100100101
3
Ternary
1101210020120020
4
Quaternary
1030212230211
5
Quinary
20120101240
6
Senary
1554225353
8
Octal
114465445
10
Decimal
20081445
12
Duodecimal
6885259
16
Hexadecimal
1326b25
20
Vigesimal
65a3c5
36
Base36
byexx
md5
887d8abd54c087c5ea3adc452c7380b1
sha1
939a9810422d2307c40b22e4adc29662a1901b0a
sha256
7b3f99bc13d2e566f916af32913fc48449b051404fda5ed972da8393d2ce57f2
sha512
bc47efc48985cc3597e9cd63d91386db0aafd02bee830d75714514e0c14ae685481f23b6a3b271e652cf772e137ac43e06de018b1070582f756ea4be7d4db2e5
ripemd-160
2b9e3bf8867e6d1291de8b027b16baef547ba4e7
Diameter
40162890
Circumference
126175440.17093
Area
1.2668925810717E+15
Volume
3.3921378250266E+22
Surface area
5.0675703242868E+15
Circumference
126175440.17093
Perimeter
80325780
Area
403264433288025
Diagonal
28399451.871049
Surface area
2419586599728150
Volume
8.0981325375296E+21
Space diagonal
34782083.0294
Perimeter
60244335
Area
1.7461862183508E+14
Altitude
17391041.5147
Surface area
1.7461862183508E+14
Volume
9.5437407203911E+20
Height
9466483.9570165