20379945 is an odd 8-digits composite number following 20379944
and preceding 20379946 . In scientific notation, it is written as 2.0379945 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 10824000 positive integers (up to 20379945) that are relatively prime to 20379945.
20379945 has 8 divisors, whose sum is 21829248
The reverse of 20379945 is 54997302
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million three hundred seventy-nine thousand nine hundred forty-five
Scientific notation
2.0379945 × 10^7
Engineering notation
2.0379945 × 10^6
Prime Factorization
15 × 251 × 5413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20379945
Product of the distinct prime numbers
The prime factorization of 20379945 is 15 × 251 × 5413.
Since it has a total of 3 prime factors.
2 , 1 , 41 , 50 , 930 , 679 , 4349 , 2513 , 85097 , 49313 , 702468 , 560853 , 3590674 , 6668349 , 68060665 , 30470869 , 978064257 , 217538227 , 5119517615 , 1511343221
n×2
40759890
n×3
61139835
n×4
81519780
n×5
101899725
n÷2
10189972.5
n÷3
6793315
n÷3
5094986.25
n÷5
4075989
n2
415342158203025
n3
8.4646503403589E+21
n4
1.7250910838075E+29
n5
3.5157261407987E+36
2 √n
4514.415244525
3 √n
273.14987275818
4 √n
67.189398304532
5 √n
28.962803750089
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
-20379944
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 20379945 can be divided by 8 positive divisors.
The sum of these divisors (counting 20379945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101101111100100101001
3
Ternary
1102100102000210
4
Quaternary
1031233210221
5
Quinary
20204124240
6
Senary
2004451333
8
Octal
115574451
10
Decimal
20379945
12
Duodecimal
69a9b49
16
Hexadecimal
136f929
20
Vigesimal
6779h5
36
Base36
c4t9l
md5
125b653ae1185af3fcc6a64875bfa0c1
sha1
808f2b582af6dda0b031b0bc088d7bf98b4c9803
sha256
0974b7ef7abf48f5e7b1eb03075e4ad1db94fe885d5414522b1eafd819029914
sha512
1ab0ccd91606e79f4ccf95b29aa6658718c12a00ebd3f93a13b769beac5c79fc47fe5e0efba45c8a7aecc132020ce0fe089c289126d8739a86718c12b02a4296
ripemd-160
c28ae3207a20748edfef2ba5a4808b71dd952453
Diameter
40759890
Circumference
128050970.98513
Area
1.3048358729368E+15
Volume
3.5456644432637E+22
Surface area
5.219343491747E+15
Circumference
128050970.98513
Perimeter
81519780
Area
415342158203025
Diagonal
28821594.619418
Surface area
2492052949218150
Volume
8.4646503403589E+21
Space diagonal
35299100.195459
Perimeter
61139835
Area
1.7984843013324E+14
Altitude
17649550.09773
Surface area
1.7984843013324E+14
Volume
9.9756860934014E+20
Height
9607198.2064726