21236485 (number)

21236485 is an odd 8-digits composite number following 21236484 and preceding 21236486. In scientific notation, it is written as 2.1236485 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 15925248 positive integers (up to 21236485) that are relatively prime to 21236485.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-six thousand four hundred eighty-five

Notation

Scientific notation 2.1236485 × 10^7
Engineering notation 2.1236485 × 10^6

Prime Factorization of 21236485

Prime Factorization 5 × 17 × 433 × 577

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21236485
Product of the distinct prime numbers

The prime factorization of 21236485 is 5 × 17 × 433 × 577. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 4, 77, 942, 618, 212, 1281, 91507, 50000, 494945, 516296, 7067116, 648932, 56005792, 75156606, 975964400, 287314036, 6252046379, 5406812335

Basic calculations (n = 21236485)

Multiplication

n×y
n×2 42472970
n×3 63709455
n×4 84945940
n×5 106182425

Division

n÷y
n÷2 10618242.5
n÷3 7078828.3333333
n÷3 5309121.25
n÷5 4247297

Exponentiation

ny
n2 450988295155225
n3 9.5774061652395E+21
n4 2.0339044236702E+29
n5 4.3192980784705E+36

Nth Root

y√n
2√n 4608.3060879243
3√n 276.92418000708
4√n 67.884505506959
5√n 29.202264282824

Divisors of 21236485

1, 5, 17, 85, 433, 577, 2165, 2885, 7361, 9809, 36805, 49045, 249841, 1249205, 4247297, 21236485

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 -21236484
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 21236485 can be divided by 16 positive divisors. The sum of these divisors (counting 21236485) is 1, the average is 0.0625.

Base conversion 21236485

Base System Value
2 Binary 1010001000000101100000101
3 Ternary 1110221220222111
4 Quaternary 1101000230011
5 Quinary 20414031420
6 Senary 2035101021
8 Octal 121005405
10 Decimal 21236485
12 Duodecimal 7141771
16 Hexadecimal 1440b05
20 Vigesimal 6ceb45
36 Base36 cn66d

Cryptographic Hash Functions

md5 5867ef72ded9f924653027761a36c502
sha1 56027313e94041cfe5a319e40a80889fb8b54157
sha256 9ed465022127c580352dd347c203b3cd881addfdae07654d3d298b67821864d3
sha512 9efbb3aaca34631e04bae85702103ce105d24ecc50dc55a98b1cb735df920845ffd28a0a9b85675b9f706878bbb5c244fcbd9b072df61081e918011fee4be649
ripemd-160 7a56b99ea48433ed48ca5ee6e74fe137c7521395

21236485 as geometric shapes

Circle

Radius = n
Diameter 42472970
Circumference 133432770.52814
Area 1.4168215149146E+15

Sphere

Radius = n
Volume 4.0117745132216E+22
Surface area 5.6672860596586E+15
Circumference 133432770.52814

Square

Length = n
Perimeter 84945940
Area 450988295155225
Diagonal 30032925.104133

Cube

Length = n
Surface area 2705929770931350
Volume 9.5774061652395E+21
Space diagonal 36782670.994174

Equilateral Triangle

Length = n
Perimeter 63709455
Area 1.9528366020693E+14
Altitude 18391335.497087

Triangular Pyramid

Length = n
Surface area 1.9528366020693E+14
Volume 1.1287081409365E+21
Height 10010975.034711