21095541 is an odd 8-digits composite number following 21095540
and preceding 21095542 . In scientific notation, it is written as 2.1095541 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 14063688 positive integers (up to 21095541) that are relatively prime to 21095541.
21095541 has 4 divisors, whose sum is 23439500
The reverse of 21095541 is 14559012
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million ninety-five thousand five hundred forty-one
Scientific notation
2.1095541 × 10^7
Engineering notation
2.1095541 × 10^6
Prime Factorization
9 × 2343949
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21095541
Product of the distinct prime numbers
The prime factorization of 21095541 is 9 × 2343949.
Since it has a total of 2 prime factors.
10 , 9 , 61 , 21 , 154 , 753 , 8018 , 1395 , 72354 , 85146 , 772270 , 968218 , 5506870 , 3183192 , 15629941 , 19431953 , 116785180 , 479026531 , 7038993816 , 1547623805
n×2
42191082
n×3
63286623
n×4
84382164
n×5
105477705
n÷2
10547770.5
n÷3
7031847
n÷3
5273885.25
n÷5
4219108.2
n2
445021850082681
n3
9.3879766843151E+21
n4
1.9804444705101E+29
n5
4.177854752587E+36
2 √n
4592.9882429634
3 √n
276.31018214758
4 √n
67.771588759327
5 √n
29.163398582568
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
-21095540
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 21095541 can be divided by 4 positive divisors.
The sum of these divisors (counting 21095541) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011110010001110101
3
Ternary
1110200202122100
4
Quaternary
1100132101311
5
Quinary
20400024131
6
Senary
2032052313
8
Octal
120362165
10
Decimal
21095541
12
Duodecimal
7094099
16
Hexadecimal
141e475
20
Vigesimal
6bgih1
36
Base36
ck5f9
md5
42af84d4ab4caa1c1579f843eba632d3
sha1
8bf9476ad31e7c315eefcbe35db5f50509593b22
sha256
68db411d123eac1018a6f0ed86b5b7534eed341cc38bca6c04df6e10d78be7c6
sha512
4f373190ef28a90c1c7ea6d0cad10305dfb60a96d3593f959c18d109301713f15665bbb109559e34abbec1f0228be8b64b40f9e82aa583fe1e9b9f910439d4cd
ripemd-160
8c47d2d562cc404bf5fbb7a12c33206423231da3
Diameter
42191082
Circumference
132547193.2582
Area
1.3980773749067E+15
Volume
3.9324264778022E+22
Surface area
5.5923094996268E+15
Circumference
132547193.2582
Perimeter
84382164
Area
445021850082681
Diagonal
29833600.187798
Surface area
2670131100496086
Volume
9.3879766843151E+21
Space diagonal
36538548.825152
Perimeter
63286623
Area
1.9270011370538E+14
Altitude
18269274.412576
Surface area
1.9270011370538E+14
Volume
1.1063836625167E+21
Height
9944533.3959326