20047745 is an odd 8-digits composite number following 20047744
and preceding 20047746 . In scientific notation, it is written as 2.0047745 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 16038192 positive integers (up to 20047745) that are relatively prime to 20047745.
20047745 has 4 divisors, whose sum is 24057300
The reverse of 20047745 is 54774002
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million forty-seven thousand seven hundred forty-five
Scientific notation
2.0047745 × 10^7
Engineering notation
2.0047745 × 10^6
Prime Factorization
5 × 4009549
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20047745
Product of the distinct prime numbers
The prime factorization of 20047745 is 5 × 4009549.
Since it has a total of 2 prime factors.
10 , 5 , 92 , 87 , 63 , 188 , 2169 , 3663 , 54582 , 47433 , 868128 , 953177 , 4402505 , 1218977 , 53103171 , 13633218 , 181583627 , 262498998 , 8797733127 , 4603108185
n×2
40095490
n×3
60143235
n×4
80190980
n×5
100238725
n÷2
10023872.5
n÷3
6682581.6666667
n÷3
5011936.25
n÷5
4009549
n2
401912079585025
n3
8.0574308839403E+21
n4
1.6153331971636E+29
n5
3.238378802677E+36
2 √n
4477.4708262589
3 √n
271.6575897871
4 √n
66.913906075336
5 √n
28.867761323329
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20047744
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20047745 can be divided by 4 positive divisors.
The sum of these divisors (counting 20047745) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100011110011110000001
3
Ternary
1101201112100002
4
Quaternary
1030132132001
5
Quinary
20113011440
6
Senary
1553405345
8
Octal
114363601
10
Decimal
20047745
12
Duodecimal
6869855
16
Hexadecimal
131e781
20
Vigesimal
655j75
36
Base36
bxoxt
md5
1d28c8059e7d437a774b7cc13b1c130f
sha1
16c638920acbb09275eff32ae6a49b2f978f17b5
sha256
5ddc8cc78869806eb6044af648bde7439f949e179584f8e7dddee5e1876bf481
sha512
8e351c7583d6f07fe2a05e7db9d182e9be70192de39a2130a742475b45a36cb28742b44db0fb2687ddb10c17c4c72d308f0de37a588b486953c9b2ba92bbaaf5
ripemd-160
72cbed15083e8d5ab4551c4326a13b7defe3d128
Diameter
40095490
Circumference
125963696.82608
Area
1.2626440366133E+15
Volume
3.3750887562392E+22
Surface area
5.0505761464532E+15
Circumference
125963696.82608
Perimeter
80190980
Area
401912079585025
Diagonal
28351792.873997
Surface area
2411472477510150
Volume
8.0574308839403E+21
Space diagonal
34723712.917185
Perimeter
60143235
Area
1.7403303550423E+14
Altitude
17361856.458592
Surface area
1.7403303550423E+14
Volume
9.4957733616268E+20
Height
9450597.6246658