21909727 is an odd 8-digits composite number following 21909726
and preceding 21909728 . In scientific notation, it is written as 2.1909727 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 18779760 positive integers (up to 21909727) that are relatively prime to 21909727.
21909727 has 4 divisors, whose sum is 25039696
The reverse of 21909727 is 72790912
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million nine hundred nine thousand seven hundred twenty-seven
Scientific notation
2.1909727 × 10^7
Engineering notation
2.1909727 × 10^6
Prime Factorization
7 × 3129961
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21909727
Product of the distinct prime numbers
The prime factorization of 21909727 is 7 × 3129961.
Since it has a total of 2 prime factors.
2 , 9 , 9 , 67 , 534 , 47 , 2252 , 6612 , 81872 , 28740 , 295106 , 92766 , 2503040 , 8990788 , 84569247 , 59072112 , 565822526 , 554273451 , 4905765675 , 9684762778
n×2
43819454
n×3
65729181
n×4
87638908
n×5
109548635
n÷2
10954863.5
n÷3
7303242.3333333
n÷3
5477431.75
n÷5
4381945.4
n2
480036137214529
n3
1.0517460716505E+22
n4
2.3043469303185E+29
n5
5.0487612156566E+36
2 √n
4680.7827336889
3 √n
279.8201523634
4 √n
68.416246123921
5 √n
29.385114902081
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
-21909726
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 21909727 can be divided by 4 positive divisors.
The sum of these divisors (counting 21909727) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011100101000011011111
3
Ternary
1112020010111101
4
Quaternary
1103211003133
5
Quinary
21102102402
6
Senary
2101333531
8
Octal
123450337
10
Decimal
21909727
12
Duodecimal
74072a7
16
Hexadecimal
14e50df
20
Vigesimal
6gie67
36
Base36
d1lnj
md5
e06cc4205b3500ac43c1e409163979e6
sha1
e5fbdbf0d33d5b55c3b67296bd939165494782ed
sha256
a2c1fefd1fb4adcafa2f9965e78193e9adade1398c4d4f3ee9011bfabc2729c3
sha512
5e6518ea23f63c83aeba18b739e128cc076e05554355bcad5fe0abd3073a527d6b1900580d0ae435e1ab934b01c8453829ff32da710dad86cb1acd9eb982c357
ripemd-160
ca806b5650045e0d7840669e3da0993518e90c82
Diameter
43819454
Circumference
137662874.77072
Area
1.5080780021308E+15
Volume
4.4055436428521E+22
Surface area
6.0323120085231E+15
Circumference
137662874.77072
Perimeter
87638908
Area
480036137214529
Diagonal
30985033.071292
Surface area
2880216823287174
Volume
1.0517460716505E+22
Space diagonal
37948760.343964
Perimeter
65729181
Area
2.0786174478117E+14
Altitude
18974380.171982
Surface area
2.0786174478117E+14
Volume
1.2394946322506E+21
Height
10328344.357097