20072561 is an odd 8-digits prime number following 20072560
and preceding 20072562 . In scientific notation, it is written as 2.0072561 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 20072560 positive integers (up to 20072561) that are relatively prime to 20072561.
20072561 has 2 divisors, whose sum is 20072562
The reverse of 20072561 is 16527002
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million seventy-two thousand five hundred sixty-one
Scientific notation
2.0072561 × 10^7
Engineering notation
2.0072561 × 10^6
Prime Factorization
20072561
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20072561
Product of the distinct prime numbers
The prime factorization of 20072561 is 20072561.
Since it has a total of 1 prime factors.
8 , 1 , 32 , 37 , 359 , 3 , 8920 , 8064 , 21897 , 65590 , 357878 , 381644 , 4100296 , 9727440 , 36620472 , 60479986 , 988504764 , 325766430 , 9011721015 , 6959692400
n×2
40145122
n×3
60217683
n×4
80290244
n×5
100362805
n÷2
10036280.5
n÷3
6690853.6666667
n÷3
5018140.25
n÷5
4014512.2
n2
402907705098721
n3
8.0873894879641E+21
n4
1.6233461882792E+29
n5
3.2584715388351E+36
2 √n
4480.241176544
3 √n
271.76963356117
4 √n
66.934603730387
5 √n
28.874904549862
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20072562
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10036281
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4480.2412881451
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999003615
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20072561 can be divided by 2 positive divisors.
The sum of these divisors (counting 20072561) is 20072562, the average is 10036281.
Base
System
Value
2
Binary
1001100100100100001110001
3
Ternary
1101202210101012
4
Quaternary
1030210201301
5
Quinary
20114310221
6
Senary
1554120305
8
Octal
114444161
10
Decimal
20072561
12
Duodecimal
6880095
16
Hexadecimal
1324871
20
Vigesimal
659181
36
Base36
by835
md5
efa5e2e8009cfea7041d6d6771a10a85
sha1
5fd1150a2b3934e583647c3cd7fc4b16ecfae4e4
sha256
b78ab0ff6c6ac68bf546ca085dc6c42c1a5a670ddb9282830255285a434f6c72
sha512
3380a30939e1139743da2ff2788bbc7000d8f397a3cb529fe7d6ebff734769ef00d52348178827a13f9c53c986945412af15c0fbdb3c30c4331ce65150a5f11b
ripemd-160
291f486475760a6a5b019a7347cccefccf08b705
Diameter
40145122
Circumference
126119620.35267
Area
1.2657718864129E+15
Volume
3.3876377869476E+22
Surface area
5.0630875456515E+15
Circumference
126119620.35267
Perimeter
80290244
Area
402907705098721
Diagonal
28386887.997761
Surface area
2417446230592326
Volume
8.0873894879641E+21
Space diagonal
34766695.490026
Perimeter
60217683
Area
1.7446415399799E+14
Altitude
17383347.745013
Surface area
1.7446415399799E+14
Volume
9.5310799150603E+20
Height
9462295.9992538