21781113 is an odd 8-digits composite number following 21781112
and preceding 21781114 . In scientific notation, it is written as 2.1781113 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 14520740 positive integers (up to 21781113) that are relatively prime to 21781113.
21781113 has 4 divisors, whose sum is 29041488
The reverse of 21781113 is 31118712
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million seven hundred eighty-one thousand one hundred thirteen
Scientific notation
2.1781113 × 10^7
Engineering notation
2.1781113 × 10^6
Prime Factorization
3 × 7260371
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21781113
Product of the distinct prime numbers
The prime factorization of 21781113 is 3 × 7260371.
Since it has a total of 2 prime factors.
5 , 2 , 33 , 71 , 645 , 18 , 8474 , 2456 , 6599 , 33244 , 247436 , 641127 , 1159970 , 9818588 , 87472450 , 54971048 , 558769060 , 558551732 , 5775906449 , 4145395344
n×2
43562226
n×3
65343339
n×4
87124452
n×5
108905565
n÷2
10890556.5
n÷3
7260371
n÷3
5445278.25
n÷5
4356222.6
n2
474416883518769
n3
1.033332774903E+22
n4
2.2507137936766E+29
n5
4.9023051470729E+36
2 √n
4667.0239982241
3 √n
279.27154610837
4 √n
68.315620455531
5 √n
29.35053443738
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
-21781112
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 21781113 can be divided by 4 positive divisors.
The sum of these divisors (counting 21781113) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011000101101001111001
3
Ternary
1111222121001220
4
Quaternary
1103011221321
5
Quinary
21033443423
6
Senary
2054502253
8
Octal
123055171
10
Decimal
21781113
12
Duodecimal
7364989
16
Hexadecimal
14c5a79
20
Vigesimal
6g2cfd
36
Base36
cyuex
md5
99fa4acb83cf38c86cc0aec88e9b1a9b
sha1
e4d21d279a1b4fe63a0c85b11b702550ffbe1e73
sha256
518e1f74e8b34af1344128e030609375565566e313d7aeafd9fa2f36ce11fc64
sha512
095bc64302f48060ba173c4ea6603f49779e8e55cbff63d5c6e5a3ed4097f5774721c0fe198ad1f6f48d018dcf955aadf581617aac4865c46ea200d23645f454
ripemd-160
9c077def5cf01c2a8782ea9747e59b335374e327
Diameter
43562226
Circumference
136854769.17562
Area
1.4904245960015E+15
Volume
4.3284142057985E+22
Surface area
5.9616983840061E+15
Circumference
136854769.17562
Perimeter
87124452
Area
474416883518769
Diagonal
30803145.408181
Surface area
2846501301112614
Volume
1.033332774903E+22
Space diagonal
37725994.361399
Perimeter
65343339
Area
2.0542853655575E+14
Altitude
18862997.180699
Surface area
2.0542853655575E+14
Volume
1.2177943539271E+21
Height
10267715.13606