21305718 (number)

21305718 is an even 8-digits composite number following 21305717 and preceding 21305719. In scientific notation, it is written as 2.1305718 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 6087312 positive integers (up to 21305718) that are relatively prime to 21305718.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred five thousand seven hundred eighteen

Notation

Scientific notation 2.1305718 × 10^7
Engineering notation 2.1305718 × 10^6

Prime Factorization of 21305718

Prime Factorization 2 × 3 × 3 × 7 × 169093

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7101906
Product of the distinct prime numbers

The prime factorization of 21305718 is 2 × 3 × 3 × 7 × 169093. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 9, 37, 17, 859, 640, 6499, 4137, 40809, 60944, 266928, 471186, 9206229, 6012152, 12716015, 59576448, 919553945, 587015040, 1336412337, 9053022549

Basic calculations (n = 21305718)

Multiplication

n×y
n×2 42611436
n×3 63917154
n×4 85222872
n×5 106528590

Division

n÷y
n÷2 10652859
n÷3 7101906
n÷3 5326429.5
n÷5 4261143.6

Exponentiation

ny
n2 453933619495524
n3 9.6713816876909E+21
n4 2.0605573090831E+29
n5 4.3901652950163E+36

Nth Root

y√n
2√n 4615.8117379287
3√n 277.22478679923
4√n 67.939765512759
5√n 29.221279944356

Divisors of 21305718

1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 169093, 338186, 507279, 1014558, 1183651, 1521837, 2367302, 3043674, 3550953, 7101906, 10652859, 21305718

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21305717
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21305718 can be divided by 24 positive divisors. The sum of these divisors (counting 21305718) is 1, the average is 0.041666666666667.

Base conversion 21305718

Base System Value
2 Binary 1010001010001100101110110
3 Ternary 1111002102221200
4 Quaternary 1101101211312
5 Quinary 20423240333
6 Senary 2040353330
8 Octal 121214566
10 Decimal 21305718
12 Duodecimal 7175846
16 Hexadecimal 1451976
20 Vigesimal 6d345i
36 Base36 conli

Cryptographic Hash Functions

md5 f5b33399d90580d1ec05c3f97fd7671e
sha1 f0d7c38717607e3770f5c7b408d02f9aee1375d1
sha256 645251272865e14c82d3f534042460cb77d0d65eecac9e9dc5edba6da5b9292d
sha512 0f7e23ed883f5ff3d9556b6cf7d2115c46483c99ec3a94576c7c906e87ebe29ae0eaa98cf661c21094cbaa6594818861887b039788a4e1a2d953a511d3e8957f
ripemd-160 e0efbd0ffdca7010c6e429b99bb6d3037c618986

21305718 as geometric shapes

Circle

Radius = n
Diameter 42611436
Circumference 133867774.29651
Area 1.4260745242246E+15

Sphere

Radius = n
Volume 4.051138888015E+22
Surface area 5.7042980968983E+15
Circumference 133867774.29651

Square

Length = n
Perimeter 85222872
Area 453933619495524
Diagonal 30130835.351697

Cube

Length = n
Surface area 2723601716973144
Volume 9.6713816876909E+21
Space diagonal 36902586.067735

Equilateral Triangle

Length = n
Perimeter 63917154
Area 1.9655902305747E+14
Altitude 18451293.033867

Triangular Pyramid

Length = n
Surface area 1.9655902305747E+14
Volume 1.1397832624683E+21
Height 10043611.783899