20461561 is an odd 8-digits composite number following 20461560
and preceding 20461562 . In scientific notation, it is written as 2.0461561 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 20173300 positive integers (up to 20461561) that are relatively prime to 20461561.
20461561 has 4 divisors, whose sum is 20749824
The reverse of 20461561 is 16516402
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred sixty-one thousand five hundred sixty-one
Scientific notation
2.0461561 × 10^7
Engineering notation
2.0461561 × 10^6
Prime Factorization
71 × 288191
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20461561
Product of the distinct prime numbers
The prime factorization of 20461561 is 71 × 288191.
Since it has a total of 2 prime factors.
5 , 6 , 5 , 99 , 97 , 304 , 9690 , 7811 , 2121 , 43208 , 929296 , 565303 , 4184487 , 3850110 , 61289449 , 16613154 , 328647433 , 139995108 , 9372681400 , 7119946550
n×2
40923122
n×3
61384683
n×4
81846244
n×5
102307805
n÷2
10230780.5
n÷3
6820520.3333333
n÷3
5115390.25
n÷5
4092312.2
n2
418675478556721
n3
8.5667538436925E+21
n4
1.752891563447E+29
n5
3.5866897651856E+36
2 √n
4523.4456999062
3 √n
273.5140167967
4 √n
67.256566221494
5 √n
28.985964270638
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
-20461560
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 20461561 can be divided by 4 positive divisors.
The sum of these divisors (counting 20461561) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000011011111111001
3
Ternary
1102111112222121
4
Quaternary
1032003133321
5
Quinary
20214232221
6
Senary
2010321241
8
Octal
116033771
10
Decimal
20461561
12
Duodecimal
6a29221
16
Hexadecimal
13837f9
20
Vigesimal
67hdi1
36
Base36
c6k8p
md5
2028b6b43b27fd3910001fd7f31439ce
sha1
5fb56998e9896b39e5441b710d54e602837eacc9
sha256
cfbf105b43d83195060bebfa6dc2bc451a8a331ec86abbe3bc0538859287eb75
sha512
8ae5b2e429d1a2b00bf079e1f37ca16aeeb0052a2eb0ce299f2635e6a24ac3b0773c4d7d6f9555b62b5902b6d13d41d3e8c273d1b82d82a255d9f38195cc1bfc
ripemd-160
9e4af2f439f92c96a8b0d0cd8922221ebbb897e7
Diameter
40923122
Circumference
128563779.43716
Area
1.315307807672E+15
Volume
3.5884334587275E+22
Surface area
5.2612312306879E+15
Circumference
128563779.43716
Perimeter
81846244
Area
418675478556721
Diagonal
28937017.073524
Surface area
2512052871340326
Volume
8.5667538436925E+21
Space diagonal
35440463.25417
Perimeter
61384683
Area
1.8129180018586E+14
Altitude
17720231.627085
Surface area
1.8129180018586E+14
Volume
1.0096016226052E+21
Height
9645672.3578415