20156481 is an odd 8-digits composite number following 20156480
and preceding 20156482 . In scientific notation, it is written as 2.0156481 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 13236696 positive integers (up to 20156481) that are relatively prime to 20156481.
20156481 has 4 divisors, whose sum is 20190512
The reverse of 20156481 is 18465102
Previous prime number is 603
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred fifty-six thousand four hundred eighty-one
Scientific notation
2.0156481 × 10^7
Engineering notation
2.0156481 × 10^6
Prime Factorization
603 × 33427
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20156481
Product of the distinct prime numbers
The prime factorization of 20156481 is 603 × 33427.
Since it has a total of 2 prime factors.
7 , 5 , 85 , 83 , 781 , 548 , 6878 , 4617 , 80253 , 228 , 29225 , 855683 , 3751675 , 1086269 , 50884090 , 51941957 , 188382655 , 641366223 , 3666721330 , 2336017611
n×2
40312962
n×3
60469443
n×4
80625924
n×5
100782405
n÷2
10078240.5
n÷3
6718827
n÷3
5039120.25
n÷5
4031296.2
n2
406283726303361
n3
8.1892502098429E+21
n4
1.6506646625894E+29
n5
3.3271590908856E+36
2 √n
4489.5969752306
3 √n
272.14784800226
4 √n
67.00445489093
5 √n
28.899008497127
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
-20156480
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 20156481 can be divided by 4 positive divisors.
The sum of these divisors (counting 20156481) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111001000001000001
3
Ternary
1101221001111100
4
Quaternary
1030321001001
5
Quinary
20130001411
6
Senary
2000005013
8
Octal
114710101
10
Decimal
20156481
12
Duodecimal
6900769
16
Hexadecimal
1339041
20
Vigesimal
65jb41
36
Base36
c00u9
md5
9deba9b0811c05f99b4a72292e2d3d40
sha1
f3f67774dd0c45492df7972845d6652f3316765d
sha256
07cde954cfde5ea963b4d3da5b8e17d9dd7b1a2e0d85dc96112ec8f9693dc29c
sha512
4804dd6a36285c2954edbb4d6617589ad51f1e8fc15cea71ba2ee8459f42107aae969efc9a9a8df26c4fef49cd343c0f601a014b3bafa150d352b9fa4556f022
ripemd-160
d834a81ca81a8f50ab6418c29ad17713a77825e6
Diameter
40312962
Circumference
126646905.26364
Area
1.2763779698277E+15
Volume
3.4303051063535E+22
Surface area
5.1055118793109E+15
Circumference
126646905.26364
Perimeter
80625924
Area
406283726303361
Diagonal
28505568.799916
Surface area
2437702357820166
Volume
8.1892502098429E+21
Space diagonal
34912049.193797
Perimeter
60469443
Area
1.7592601406146E+14
Altitude
17456024.596898
Surface area
1.7592601406146E+14
Volume
9.6511239270221E+20
Height
9501856.2666385