21546540 is an even 8-digits composite number following 21546539
and preceding 21546541 . In scientific notation, it is written as 2.1546540 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 5745600 positive integers (up to 21546540) that are relatively prime to 21546540.
21546540 has 12 divisors, whose sum is 37986704
The reverse of 21546540 is 04564512
Previous prime number is 135
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million five hundred forty-six thousand five hundred forty
Scientific notation
2.1546540 × 10^7
Engineering notation
2.1546540 × 10^6
Prime Factorization
2 × 2 × 135 × 39901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10773270
Product of the distinct prime numbers
The prime factorization of 21546540 is 2 × 2 × 135 × 39901.
Since it has a total of 4 prime factors.
7 , 3 , 75 , 12 , 997 , 571 , 2133 , 9363 , 36442 , 67835 , 335710 , 756069 , 3301333 , 5715415 , 22494670 , 78973342 , 925576978 , 366646445 , 6268511881 , 3236079351
n×2
43093080
n×3
64639620
n×4
86186160
n×5
107732700
n÷2
10773270
n÷3
7182180
n÷3
5386635
n÷5
4309308
n2
464253385971600
n3
1.0003054150973E+22
n4
2.155312063861E+29
n5
4.6439517596463E+36
2 √n
4641.8250721026
3 √n
278.26538155756
4 √n
68.130940637148
5 √n
29.28704186279
1 , 2 , 4 , 135 , 270 , 540 , 39901 , 79802 , 159604 , 5386635 , 10773270 , 21546540
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21546539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21546540 can be divided by 12 positive divisors.
The sum of these divisors (counting 21546540) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010001100011000101100
3
Ternary
1111112200022000
4
Quaternary
1102030120230
5
Quinary
21003442130
6
Senary
2045452300
8
Octal
122143054
10
Decimal
21546540
12
Duodecimal
7271090
16
Hexadecimal
148c62c
20
Vigesimal
6ed670
36
Base36
cttf0
md5
248d407de2fcaebd395c864adb782c88
sha1
e2e73fb144548762633e4cf5f9c3ba90a7bcf357
sha256
22151c95e569138dea47db67881b14f0701cb5026f283dd935c124465be3d194
sha512
bedc8b4e4ae32d54a810d791aa077179114f20ce59605ce1e3d220263f15e2b0a0d58157b040becfe542779a4cbbd1ca91733e2d647a1635b268b69422f035ce
ripemd-160
942be417ee57fe5410e0bb21079a783dfc95348c
Diameter
43093080
Circumference
135380903.54856
Area
1.4584950267726E+15
Volume
4.1900695245542E+22
Surface area
5.8339801070903E+15
Circumference
135380903.54856
Perimeter
86186160
Area
464253385971600
Diagonal
30471409.090214
Surface area
2785520315829600
Volume
1.0003054150973E+22
Space diagonal
37319702.007315
Perimeter
64639620
Area
2.0102761302217E+14
Altitude
18659851.003658
Surface area
2.0102761302217E+14
Volume
1.1788712371215E+21
Height
10157136.363405