20156461 is an odd 8-digits composite number following 20156460
and preceding 20156462 . In scientific notation, it is written as 2.0156461 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 18145920 positive integers (up to 20156461) that are relatively prime to 20156461.
20156461 has 12 divisors, whose sum is 22366260
The reverse of 20156461 is 16465102
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred fifty-six thousand four hundred sixty-one
Scientific notation
2.0156461 × 10^7
Engineering notation
2.0156461 × 10^6
Prime Factorization
13 × 13 × 41 × 2909
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1550497
Product of the distinct prime numbers
The prime factorization of 20156461 is 13 × 13 × 41 × 2909.
Since it has a total of 4 prime factors.
7 , 2 , 20 , 64 , 940 , 474 , 6813 , 1886 , 60321 , 10892 , 585419 , 557115 , 2302559 , 3612190 , 87953226 , 66179828 , 910095638 , 353437392 , 5827463136 , 6777305476
n×2
40312922
n×3
60469383
n×4
80625844
n×5
100782305
n÷2
10078230.5
n÷3
6718820.3333333
n÷3
5039115.25
n÷5
4031292.2
n2
406282920044521
n3
8.1892258328435E+21
n4
1.650658111199E+29
n5
3.3271425842717E+36
2 √n
4489.5947478587
3 √n
272.14775799054
4 √n
67.004438269854
5 √n
28.899002762193
1 , 13 , 41 , 169 , 533 , 2909 , 6929 , 37817 , 119269 , 491621 , 1550497 , 20156461
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20156460
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20156461 can be divided by 12 positive divisors.
The sum of these divisors (counting 20156461) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111001000000101101
3
Ternary
1101221001110121
4
Quaternary
1030321000231
5
Quinary
20130001321
6
Senary
2000004541
8
Octal
114710055
10
Decimal
20156461
12
Duodecimal
6900751
16
Hexadecimal
133902d
20
Vigesimal
65jb31
36
Base36
c00tp
md5
a408fcfc01985a12dc0c348c7b294aad
sha1
cc49805d1c2f413f724f08e7273c7a757a3c21f7
sha256
e2c648bc08075ae16877c78c10141fe474476d665b43751a05d19480f573ee4b
sha512
e2de5e7701e394e237560dfd4ab5e8d731420958b8b246c76339733aedb694425e60c52645862bd5f0f30539d3db719a99974f0df32f9f42552d7feddf54475a
ripemd-160
5bc4df979b64272cc2e66f508d59179ea6dd25f5
Diameter
40312922
Circumference
126646779.59994
Area
1.2763754368909E+15
Volume
3.4302948953399E+22
Surface area
5.1055017475635E+15
Circumference
126646779.59994
Perimeter
80625844
Area
406282920044521
Diagonal
28505540.515644
Surface area
2437697520267126
Volume
8.1892258328435E+21
Space diagonal
34912014.552781
Perimeter
60469383
Area
1.7592566494114E+14
Altitude
17456007.27639
Surface area
1.7592566494114E+14
Volume
9.6510951984528E+20
Height
9501846.8385481