20440145 is an odd 8-digits composite number following 20440144
and preceding 20440146 . In scientific notation, it is written as 2.0440145 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 14865520 positive integers (up to 20440145) that are relatively prime to 20440145.
20440145 has 8 divisors, whose sum is 26758080
The reverse of 20440145 is 54104402
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million four hundred forty thousand one hundred forty-five
Scientific notation
2.0440145 × 10^7
Engineering notation
2.0440145 × 10^6
Prime Factorization
5 × 11 × 371639
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20440145
Product of the distinct prime numbers
The prime factorization of 20440145 is 5 × 11 × 371639.
Since it has a total of 3 prime factors.
2 , 9 , 50 , 3 , 153 , 599 , 2130 , 3709 , 55511 , 97865 , 630081 , 812476 , 1720673 , 9693072 , 30353963 , 11128672 , 783597419 , 533516339 , 1160655242 , 2557902670
n×2
40880290
n×3
61320435
n×4
81760580
n×5
102200725
n÷2
10220072.5
n÷3
6813381.6666667
n÷3
5110036.25
n÷5
4088029
n2
417799527621025
n3
8.5398829255053E+21
n4
1.7455644528035E+29
n5
3.567959052215E+36
2 √n
4521.0778582104
3 √n
273.4185594173
4 √n
67.23896086504
5 √n
28.979894123186
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
-20440144
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 20440145 can be divided by 8 positive divisors.
The sum of these divisors (counting 20440145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101111110010001010001
3
Ternary
1102110110121102
4
Quaternary
1031332101101
5
Quinary
20213041040
6
Senary
2010034145
8
Octal
115762121
10
Decimal
20440145
12
Duodecimal
6a18955
16
Hexadecimal
137e451
20
Vigesimal
67f075
36
Base36
c63pt
md5
41e1dd6c10bc648d99ec7dbb83f0917b
sha1
61d5347499074ed862385f736531cd56d28ffad4
sha256
3b3527ae05c98bdc33d9c8de07d86d75c0539cf0fab331c40d300049a5489ec4
sha512
26dedbdb438e59b9fb1db1e20d7930352e6e42a368a07e65d0f2ce2fed502e997b5db9597eda539e2780cb44f768b5758c6125d12fe4ffe7c29d0854b79c2f3d
ripemd-160
852188c4df9e871f40d47b067480af28c16007d6
Diameter
40880290
Circumference
128429218.74062
Area
1.3125559266475E+15
Volume
3.5771777948379E+22
Surface area
5.25022370659E+15
Circumference
128429218.74062
Perimeter
81760580
Area
417799527621025
Diagonal
28906730.275873
Surface area
2506797165726150
Volume
8.5398829255053E+21
Space diagonal
35403369.654075
Perimeter
61320435
Area
1.8091250230447E+14
Altitude
17701684.827037
Surface area
1.8091250230447E+14
Volume
1.0064348545273E+21
Height
9635576.7586242