20081481 is an odd 8-digits composite number following 20081480
and preceding 20081482 . In scientific notation, it is written as 2.0081481 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 11475120 positive integers (up to 20081481) that are relatively prime to 20081481.
20081481 has 8 divisors, whose sum is 30600384
The reverse of 20081481 is 18418002
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million eighty-one thousand four hundred eighty-one
Scientific notation
2.0081481 × 10^7
Engineering notation
2.0081481 × 10^6
Prime Factorization
3 × 7 × 956261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20081481
Product of the distinct prime numbers
The prime factorization of 20081481 is 3 × 7 × 956261.
Since it has a total of 3 prime factors.
5 , 2 , 3 , 32 , 917 , 129 , 1376 , 1133 , 65726 , 64973 , 929066 , 910449 , 7065285 , 3177055 , 16041263 , 49087283 , 292817951 , 44432824 , 5808716176 , 9854002603
n×2
40162962
n×3
60244443
n×4
80325924
n×5
100407405
n÷2
10040740.5
n÷3
6693827
n÷3
5020370.25
n÷5
4016296.2
n2
403265879153361
n3
8.0981760901665E+21
n4
1.6262336928933E+29
n5
3.2657181005397E+36
2 √n
4481.236548097
3 √n
271.8098846304
4 √n
66.942038720799
5 √n
28.877470424515
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081480
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081481 can be divided by 8 positive divisors.
The sum of these divisors (counting 20081481) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110101101001001
3
Ternary
1101210020121120
4
Quaternary
1030212231021
5
Quinary
20120101411
6
Senary
1554225453
8
Octal
114465511
10
Decimal
20081481
12
Duodecimal
6885289
16
Hexadecimal
1326b49
20
Vigesimal
65a3e1
36
Base36
byeyx
md5
91cf98e74a13045537042f16806a7c86
sha1
965f64c7206935402a7e144e820edb4805928cf8
sha256
600eca093bdba039fb31d157ec7f54ca1037450d55e0fec3bb7cdac526193b52
sha512
250fc2460d047f171a6c5c3f728437554efcda5a8ebcc40c0d7bfdd50941538a1874e9efcb829720e936ab76b0205b130827f36297770ecd7b54e2920657d37d
ripemd-160
a52f82fabe3a0e4096a57c140d29de9fa3538fd6
Diameter
40162962
Circumference
126175666.36561
Area
1.2668971233916E+15
Volume
3.3921560683125E+22
Surface area
5.0675884935665E+15
Circumference
126175666.36561
Perimeter
80325924
Area
403265879153361
Diagonal
28399502.782738
Surface area
2419595274920166
Volume
8.0981760901665E+21
Space diagonal
34782145.383229
Perimeter
60244443
Area
1.7461924791314E+14
Altitude
17391072.691615
Surface area
1.7461924791314E+14
Volume
9.5437920476658E+20
Height
9466500.9275792