21081711 (number)

21081711 is an odd 8-digits composite number following 21081710 and preceding 21081712. In scientific notation, it is written as 2.1081711 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors. There are 12046608 positive integers (up to 21081711) that are relatively prime to 21081711.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand seven hundred eleven

Notation

Scientific notation 2.1081711 × 10^7
Engineering notation 2.1081711 × 10^6

Prime Factorization of 21081711

Prime Factorization 3 × 7 × 7 × 143413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3011673
Product of the distinct prime numbers

The prime factorization of 21081711 is 3 × 7 × 7 × 143413. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21081711)

Multiplication

n×y
n×2 42163422
n×3 63245133
n×4 84326844
n×5 105408555

Division

n÷y
n÷2 10540855.5
n÷3 7027237
n÷3 5270427.75
n÷5 4216342.2

Exponentiation

ny
n2 444438538687521
n3 9.3695248298726E+21
n4 1.975256146707E+29
n5 4.164177923585E+36

Nth Root

y√n
2√n 4591.4824403454
3√n 276.24978699573
4√n 67.760478454224
5√n 29.159573740044

Divisors of 21081711

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 -21081710
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 21081711 can be divided by 12 positive divisors. The sum of these divisors (counting 21081711) is 1, the average is 0.083333333333333.

Base conversion 21081711

Base System Value
2 Binary 1010000011010111001101111
3 Ternary 1110200001200010
4 Quaternary 1100122321233
5 Quinary 20344103321
6 Senary 2031504303
8 Octal 120327157
10 Decimal 21081711
12 Duodecimal 7088093
16 Hexadecimal 141ae6f
20 Vigesimal 6bf45b
36 Base36 cjur3

Cryptographic Hash Functions

md5 38afc172b61c41d58452be813a663771
sha1 155eafde38ca671ab3a00cef4bec9ac2d1b7810a
sha256 e0fe2b4aaa5ea554a783e459d72fcc57ac5167856aadd6a6b4b325581485590b
sha512 6bfe3afef33dc50878a4ee2cc478decc6770041cd3991710cc3a5e8c9fc3c4018bb3540158a51009b245b2ace3a79248e972bde944ef94feda00277e95be6ef4
ripemd-160 f233c5c4f3db91f91f0c4d415dc86c18422144ed

21081711 as geometric shapes

Circle

Radius = n
Diameter 42163422
Circumference 132460296.80541
Area 1.3962448481129E+15

Sphere

Radius = n
Volume 3.9246973830873E+22
Surface area 5.5849793924516E+15
Circumference 132460296.80541

Square

Length = n
Perimeter 84326844
Area 444438538687521
Diagonal 29814041.61423

Cube

Length = n
Surface area 2666631232125126
Volume 9.3695248298726E+21
Space diagonal 36514594.562484

Equilateral Triangle

Length = n
Perimeter 63245133
Area 1.9244753246211E+14
Altitude 18257297.281242

Triangular Pyramid

Length = n
Surface area 1.9244753246211E+14
Volume 1.1042090906164E+21
Height 9938013.87141