21542679 (number)

21542679 is an odd 8-digits composite number following 21542678 and preceding 21542680. In scientific notation, it is written as 2.1542679 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 28 positive divisors. There are 13852944 positive integers (up to 21542679) that are relatively prime to 21542679.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-two thousand six hundred seventy-nine

Notation

Scientific notation 2.1542679 × 10^7
Engineering notation 2.1542679 × 10^6

Prime Factorization of 21542679

Prime Factorization 3 × 9 × 3 × 3 × 3 × 29 × 1019

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 797877
Product of the distinct prime numbers

The prime factorization of 21542679 is 3 × 9 × 3 × 3 × 3 × 29 × 1019. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 10, 5, 40, 270, 354, 1072, 4188, 85144, 83743, 598893, 891368, 2720211, 3233260, 79652887, 65406133, 123708272, 331809805, 5744635304, 9128619237

Basic calculations (n = 21542679)

Multiplication

n×y
n×2 43085358
n×3 64628037
n×4 86170716
n×5 107713395

Division

n÷y
n÷2 10771339.5
n÷3 7180893
n÷3 5385669.75
n÷5 4308535.8

Exponentiation

ny
n2 464087018497041
n3 9.9976776675488E+21
n4 2.1537676073747E+29
n5 4.6397924206272E+36

Nth Root

y√n
2√n 4641.40916102
3√n 278.24875944841
4√n 68.127888276534
5√n 29.285992178018

Divisors of 21542679

1, 3, 9, 27, 29, 81, 87, 243, 261, 729, 783, 1019, 2349, 3057, 7047, 9171, 21141, 27513, 29551, 82539, 88653, 247617, 265959, 742851, 797877, 2393631, 7180893, 21542679

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21542678
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21542679 can be divided by 28 positive divisors. The sum of these divisors (counting 21542679) is 1, the average is 0.035714285714286.

Base conversion 21542679

Base System Value
2 Binary 1010010001011011100010111
3 Ternary 1111112111000000
4 Quaternary 1102023130113
5 Quinary 21003331204
6 Senary 2045422343
8 Octal 122133427
10 Decimal 21542679
12 Duodecimal 726a9b3
16 Hexadecimal 148b717
20 Vigesimal 6ecgdj
36 Base36 ctqfr

Cryptographic Hash Functions

md5 8e06410a5f6196dd4a4aba059161ea3f
sha1 af4284300b47764d2f8d98912c2f3dc0fd9cc4f2
sha256 36827337391eb03fadd3b6d3b56dfe20aa9f30f074fb193fe3d410a8c06d59d7
sha512 0e5ae1cfe7af556c91911bb56a1cfd47d340e38d67d87091f9e8ab5bd267ad278992d2905492bfa4aae90ed775b45ea19906ad388bb6f7fc3a33c1f25182f3f5
ripemd-160 bc3b013edc131e2b61bac060e7e36b03fc2d3c2e

21542679 as geometric shapes

Circle

Radius = n
Diameter 43085358
Circumference 135356644.17009
Area 1.4579723679367E+15

Sphere

Radius = n
Volume 4.187817428444E+22
Surface area 5.8318894717468E+15
Circumference 135356644.17009

Square

Length = n
Perimeter 86170716
Area 464087018497041
Diagonal 30465948.81165

Cube

Length = n
Surface area 2784522110982246
Volume 9.9976776675488E+21
Space diagonal 37313014.559147

Equilateral Triangle

Length = n
Perimeter 64628037
Area 2.0095557379251E+14
Altitude 18656507.279574

Triangular Pyramid

Length = n
Surface area 2.0095557379251E+14
Volume 1.1782376124735E+21
Height 10155316.27055