21456085 (number)

21456085 is an odd 8-digits composite number following 21456084 and preceding 21456086. In scientific notation, it is written as 2.1456085 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 14204736 positive integers (up to 21456085) that are relatively prime to 21456085.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred fifty-six thousand eighty-five

Notation

Scientific notation 2.1456085 × 10^7
Engineering notation 2.1456085 × 10^6

Prime Factorization of 21456085

Prime Factorization 7 × 5 × 29 × 21139

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21456085
Product of the distinct prime numbers

The prime factorization of 21456085 is 7 × 5 × 29 × 21139. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 5, 45, 61, 89, 87, 1129, 3779, 7464, 54879, 447495, 776787, 4326144, 9508218, 66092886, 45616207, 586244603, 791125075, 9383763987, 2057291473

Basic calculations (n = 21456085)

Multiplication

n×y
n×2 42912170
n×3 64368255
n×4 85824340
n×5 107280425

Division

n÷y
n÷2 10728042.5
n÷3 7152028.3333333
n÷3 5364021.25
n÷5 4291217

Exponentiation

ny
n2 460363583527225
n3 9.8776001790647E+21
n4 2.1193462903803E+29
n5 4.5472874150834E+36

Nth Root

y√n
2√n 4632.0713509185
3√n 277.87543804606
4√n 68.05932229253
5√n 29.26241035158

Divisors of 21456085

1, 5, 7, 29, 35, 145, 203, 1015, 21139, 105695, 147973, 613031, 739865, 3065155, 4291217, 21456085

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21456084
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21456085 can be divided by 16 positive divisors. The sum of these divisors (counting 21456085) is 1, the average is 0.0625.

Base conversion 21456085

Base System Value
2 Binary 1010001110110010011010101
3 Ternary 1111101002012211
4 Quaternary 1101312103111
5 Quinary 20443043320
6 Senary 2043513421
8 Octal 121662325
10 Decimal 21456085
12 Duodecimal 7228871
16 Hexadecimal 14764d5
20 Vigesimal 6e2045
36 Base36 crvmd

Cryptographic Hash Functions

md5 610dd7eb440d82f7677d75daee392547
sha1 4bfa20d214a3f386d374c5c1e2d9817fa65936b0
sha256 5cb1c2d68cdbdc6baccfa7f77acc9ffcb95513533b960ac5b1c6dafe72fd0a08
sha512 cc997ff4d9c6121abd4d69a9e8dbe9b147f9a1ea87c928834fc9ecb01b46d41ff7b90adbfb70fab94e43dc5dc8bd9b407258fcde7e73c24518cdae0c05a8ca6c
ripemd-160 95729f3b9e36a1fd552dae87c62aad8366bb0e40

21456085 as geometric shapes

Circle

Radius = n
Diameter 42912170
Circumference 134812558.0216
Area 1.4462748519894E+15

Sphere

Radius = n
Volume 4.1375194876863E+22
Surface area 5.7850994079576E+15
Circumference 134812558.0216

Square

Length = n
Perimeter 85824340
Area 460363583527225
Diagonal 30343486.40243

Cube

Length = n
Surface area 2762181501163350
Volume 9.8776001790647E+21
Space diagonal 37163029.351516

Equilateral Triangle

Length = n
Perimeter 64368255
Area 1.9934327915591E+14
Altitude 18581514.675758

Triangular Pyramid

Length = n
Surface area 1.9934327915591E+14
Volume 1.1640863447444E+21
Height 10114495.467477