20451771 is an odd 8-digits composite number following 20451770
and preceding 20451772 . In scientific notation, it is written as 2.0451771 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 12690432 positive integers (up to 20451771) that are relatively prime to 20451771.
20451771 has 16 divisors, whose sum is 23261280
The reverse of 20451771 is 17715402
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred fifty-one thousand seven hundred seventy-one
Scientific notation
2.0451771 × 10^7
Engineering notation
2.0451771 × 10^6
Prime Factorization
9 × 171 × 137 × 97
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20451771
Product of the distinct prime numbers
The prime factorization of 20451771 is 9 × 171 × 137 × 97.
Since it has a total of 4 prime factors.
9 , 8 , 81 , 48 , 868 , 696 , 3526 , 1923 , 46942 , 96088 , 455111 , 827986 , 6530875 , 1856360 , 483650 , 23409527 , 150115315 , 647201608 , 4875258195 , 6706848065
n×2
40903542
n×3
61355313
n×4
81807084
n×5
102258855
n÷2
10225885.5
n÷3
6817257
n÷3
5112942.75
n÷5
4090354.2
n2
418274937036441
n3
8.5544632273087E+21
n4
1.7495392295284E+29
n5
3.5781175677831E+36
2 √n
4522.3634307738
3 √n
273.47038817042
4 √n
67.248519915116
5 √n
28.983190025651
1 , 9 , 97 , 137 , 171 , 873 , 1233 , 1539 , 13289 , 16587 , 23427 , 119601 , 149283 , 210843 , 2272419 , 20451771
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20451770
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20451771 can be divided by 16 positive divisors.
The sum of these divisors (counting 20451771) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000001000110111011
3
Ternary
1102111001120000
4
Quaternary
1032001012323
5
Quinary
20213424041
6
Senary
2010204043
8
Octal
116010673
10
Decimal
20451771
12
Duodecimal
6a23623
16
Hexadecimal
13811bb
20
Vigesimal
67g98b
36
Base36
c6cor
md5
42b4f5f86485a8cb9aa4f40e66ac1700
sha1
9bce85c38adbf5f566e65a762cd9682ae3aa726c
sha256
8301e6b1104e7c8eb914ade69414f86c974c4ceab1664286cf8f7702fad3acbf
sha512
caf37a936402f72a774b1b906bc678ab4fd18260f52b8f1f3141d2fc94db4cf569ca48d8b22e8ad6ffddf10f93d0508fdd83a8f02ae2c0bfecfbd946e4dcc9f2
ripemd-160
1c4d5d282f0a143b32fa341397e42143433b1154
Diameter
40903542
Circumference
128502267.053
Area
1.3140494693744E+15
Volume
3.5832851773756E+22
Surface area
5.2561978774977E+15
Circumference
128502267.053
Perimeter
81807084
Area
418274937036441
Diagonal
28923171.922749
Surface area
2509649622218646
Volume
8.5544632273087E+21
Space diagonal
35423506.476764
Perimeter
61355313
Area
1.8111836061995E+14
Altitude
17711753.238382
Surface area
1.8111836061995E+14
Volume
1.0081531595735E+21
Height
9641057.3075829