21541539 is an odd 8-digits composite number following 21541538
and preceding 21541540 . In scientific notation, it is written as 2.1541539 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 14361024 positive integers (up to 21541539) that are relatively prime to 21541539.
21541539 has 4 divisors, whose sum is 28722056
The reverse of 21541539 is 93514512
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million five hundred forty-one thousand five hundred thirty-nine
Scientific notation
2.1541539 × 10^7
Engineering notation
2.1541539 × 10^6
Prime Factorization
3 × 7180513
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21541539
Product of the distinct prime numbers
The prime factorization of 21541539 is 3 × 7180513.
Since it has a total of 2 prime factors.
6 , 2 , 94 , 50 , 190 , 622 , 2751 , 235 , 4830 , 9784 , 780952 , 724530 , 8764303 , 4179636 , 69067207 , 20421223 , 332750305 , 293390427 , 5649278514 , 7535345933
n×2
43083078
n×3
64624617
n×4
86166156
n×5
107707695
n÷2
10770769.5
n÷3
7180513
n÷3
5385384.75
n÷5
4308307.8
n2
464037902488521
n3
9.9960905739347E+21
n4
2.1533117494595E+29
n5
4.6385649030139E+36
2 √n
4641.2863518641
3 √n
278.24385121979
4 √n
68.126986957182
5 √n
29.285682219003
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
-21541538
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 21541539 can be divided by 4 positive divisors.
The sum of these divisors (counting 21541539) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001011001010100011
3
Ternary
1111112102102210
4
Quaternary
1102023022203
5
Quinary
21003312124
6
Senary
2045413203
8
Octal
122131243
10
Decimal
21541539
12
Duodecimal
726a203
16
Hexadecimal
148b2a3
20
Vigesimal
6ecdgj
36
Base36
ctpk3
md5
27a898256ec88713dee539dc4183297a
sha1
c4a1a4a0a1cb312d50a2a634cf439d21c5f87559
sha256
acb05a53fb993134fe7d6136e769f95f0b8f5bdb28ff8f5e78d0c2c915442ab1
sha512
2564598599e030b7e57c85f4aaa0faa03f6e8c168f944be9a497aad5c5981bec99d2ead8d04fa611f56bc579b104682b609700cd70a992128b286de6c1f14846
ripemd-160
bf31bc64848344c6eee5a0217dd76a4e44ae8f1c
Diameter
43083078
Circumference
135349481.33884
Area
1.4578180654452E+15
Volume
4.1871526282255E+22
Surface area
5.8312722617806E+15
Circumference
135349481.33884
Perimeter
86166156
Area
464037902488521
Diagonal
30464336.608189
Surface area
2784227414931126
Volume
9.9960905739347E+21
Space diagonal
37311040.021226
Perimeter
64624617
Area
2.0093430593695E+14
Altitude
18655520.010613
Surface area
2.0093430593695E+14
Volume
1.1780505716974E+21
Height
10154778.869396