20051440 is an even 8-digits composite number following 20051439
and preceding 20051441 . In scientific notation, it is written as 2.0051440 × 10^7.
The sum of its digits is 16. It has a total of 6 prime factors and 20 positive divisors.
There are 8020544 positive integers (up to 20051440) that are relatively prime to 20051440.
20051440 has 20 divisors, whose sum is 46619784
The reverse of 20051440 is 04415002
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million fifty-one thousand four hundred forty
Scientific notation
2.0051440 × 10^7
Engineering notation
2.0051440 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 250643
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2506430
Product of the distinct prime numbers
The prime factorization of 20051440 is 2 × 2 × 2 × 2 × 5 × 250643.
Since it has a total of 6 prime factors.
3 , 4 , 92 , 58 , 190 , 240 , 712 , 2234 , 72863 , 84265 , 883011 , 334220 , 1552634 , 642289 , 26531096 , 67423281 , 834073720 , 908982555 , 6643550628 , 6391455986
n×2
40102880
n×3
60154320
n×4
80205760
n×5
100257200
n÷2
10025720
n÷3
6683813.3333333
n÷3
5012860
n÷5
4010288
n2
402060246073600
n3
8.06188690053E+21
n4
1.6165244147276E+29
n5
3.2413642310446E+36
2 √n
4477.8834285854
3 √n
271.67427849917
4 √n
66.916989087865
5 √n
28.868825368338
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 250643 , 501286 , 1002572 , 1253215 , 2005144 , 2506430 , 4010288 , 5012860 , 10025720 , 20051440
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
-20051439
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 20051440 can be divided by 20 positive divisors.
The sum of these divisors (counting 20051440) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100011111010111110000
3
Ternary
1101201201101221
4
Quaternary
1030133113300
5
Quinary
20113121230
6
Senary
1553434424
8
Octal
114372760
10
Decimal
20051440
12
Duodecimal
686ba14
16
Hexadecimal
131f5f0
20
Vigesimal
6568c0
36
Base36
bxrsg
md5
4b1be1a1894f25ed770046c556e58cea
sha1
272a2bd74652b2bccdb8ff5009d4c99e26eb69f9
sha256
e11e0dd1bcba89c3d60dedf3b36903e5783ce1c181edb55b8d9f37b858f4e849
sha512
4bf5b2e40ff9086552623d9a55684dea3b3b336719274a13cc6f9703c859dd105654489f47ca2c2f5a903fe893cea85b278bb9f3e7b5e1a4ccc957a1ca01f864
ripemd-160
147191919d77ce3befb903e075ec5ed789830a5b
Diameter
40102880
Circumference
125986913.19579
Area
1.2631095153653E+15
Volume
3.3769552881036E+22
Surface area
5.0524380614613E+15
Circumference
125986913.19579
Perimeter
80205760
Area
402060246073600
Diagonal
28357018.39311
Surface area
2412361476441600
Volume
8.06188690053E+21
Space diagonal
34730112.844919
Perimeter
60154320
Area
1.7409719347578E+14
Altitude
17365056.422459
Surface area
1.7409719347578E+14
Volume
9.5010248275396E+20
Height
9452339.4643701