21541539 (number)

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.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-one thousand five hundred thirty-nine

Notation

Scientific notation 2.1541539 × 10^7
Engineering notation 2.1541539 × 10^6

Prime Factorization of 21541539

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.

Most popular turbo-numbers

Basic calculations (n = 21541539)

Multiplication

n×y
n×2 43083078
n×3 64624617
n×4 86166156
n×5 107707695

Division

n÷y
n÷2 10770769.5
n÷3 7180513
n÷3 5385384.75
n÷5 4308307.8

Exponentiation

ny
n2 464037902488521
n3 9.9960905739347E+21
n4 2.1533117494595E+29
n5 4.6385649030139E+36

Nth Root

y√n
2√n 4641.2863518641
3√n 278.24385121979
4√n 68.126986957182
5√n 29.285682219003

Divisors of 21541539

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 conversion 21541539

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

Cryptographic Hash Functions

md5 27a898256ec88713dee539dc4183297a
sha1 c4a1a4a0a1cb312d50a2a634cf439d21c5f87559
sha256 acb05a53fb993134fe7d6136e769f95f0b8f5bdb28ff8f5e78d0c2c915442ab1
sha512 2564598599e030b7e57c85f4aaa0faa03f6e8c168f944be9a497aad5c5981bec99d2ead8d04fa611f56bc579b104682b609700cd70a992128b286de6c1f14846
ripemd-160 bf31bc64848344c6eee5a0217dd76a4e44ae8f1c

21541539 as geometric shapes

Circle

Radius = n
Diameter 43083078
Circumference 135349481.33884
Area 1.4578180654452E+15

Sphere

Radius = n
Volume 4.1871526282255E+22
Surface area 5.8312722617806E+15
Circumference 135349481.33884

Square

Length = n
Perimeter 86166156
Area 464037902488521
Diagonal 30464336.608189

Cube

Length = n
Surface area 2784227414931126
Volume 9.9960905739347E+21
Space diagonal 37311040.021226

Equilateral Triangle

Length = n
Perimeter 64624617
Area 2.0093430593695E+14
Altitude 18655520.010613

Triangular Pyramid

Length = n
Surface area 2.0093430593695E+14
Volume 1.1780505716974E+21
Height 10154778.869396