20071561 is an odd 8-digits composite number following 20071560
and preceding 20071562 . In scientific notation, it is written as 2.0071561 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 19981332 positive integers (up to 20071561) that are relatively prime to 20071561.
20071561 has 4 divisors, whose sum is 20161792
The reverse of 20071561 is 16517002
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million seventy-one thousand five hundred sixty-one
Scientific notation
2.0071561 × 10^7
Engineering notation
2.0071561 × 10^6
Prime Factorization
223 × 90007
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20071561
Product of the distinct prime numbers
The prime factorization of 20071561 is 223 × 90007.
Since it has a total of 2 prime factors.
9 , 6 , 64 , 9 , 500 , 295 , 6728 , 8324 , 7519 , 98844 , 230436 , 919978 , 921975 , 390180 , 95826757 , 58317324 , 504778794 , 90603979 , 151785594 , 5577259487
n×2
40143122
n×3
60214683
n×4
80286244
n×5
100357805
n÷2
10035780.5
n÷3
6690520.3333333
n÷3
5017890.25
n÷5
4014312.2
n2
402867560976721
n3
8.0861808250655E+21
n4
1.6230227168733E+29
n5
3.2576599466109E+36
2 √n
4480.129574019
3 √n
271.76512036616
4 √n
66.933770056818
5 √n
28.874616838892
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
-20071560
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 20071561 can be divided by 4 positive divisors.
The sum of these divisors (counting 20071561) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100100010010001001
3
Ternary
1101202202000011
4
Quaternary
1030210102021
5
Quinary
20114242221
6
Senary
1554111521
8
Octal
114442211
10
Decimal
20071561
12
Duodecimal
687b5a1
16
Hexadecimal
1324489
20
Vigesimal
658ii1
36
Base36
by7bd
md5
ed2acf452ecb2fa4e14a0404aeec0006
sha1
ac228aa46c463dda31c2202f7b57f6774a1c7476
sha256
07e8407df3caf599bfe94d84792882f89f4ccdc8d7b619cfe023831f20c2aaeb
sha512
b6488f7309ebb8f0b4536dc7ba1fe0a2c8ee3227fcdde8f4bb20f00124665204c5782d3f6af8803e399c53857b839b0c98d48cb58295a687835b2131849be108
ripemd-160
cd93ad0dc9615fd72cf1309cb583e8d19108d8b3
Diameter
40143122
Circumference
126113337.16736
Area
1.2656457699341E+15
Volume
3.3871315034166E+22
Surface area
5.0625830797364E+15
Circumference
126113337.16736
Perimeter
80286244
Area
402867560976721
Diagonal
28385473.784199
Surface area
2417205365860326
Volume
8.0861808250655E+21
Space diagonal
34764963.439218
Perimeter
60214683
Area
1.7444677108326E+14
Altitude
17382481.719609
Surface area
1.7444677108326E+14
Volume
9.5296554921741E+20
Height
9461824.594733