21493085 (number)

21493085 is an odd 8-digits composite number following 21493084 and preceding 21493086. In scientific notation, it is written as 2.1493085 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 16202880 positive integers (up to 21493085) that are relatively prime to 21493085.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand eighty-five

Notation

Scientific notation 2.1493085 × 10^7
Engineering notation 2.1493085 × 10^6

Prime Factorization of 21493085

Prime Factorization 5 × 19 × 233 × 971

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21493085
Product of the distinct prime numbers

The prime factorization of 21493085 is 5 × 19 × 233 × 971. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493085)

Multiplication

n×y
n×2 42986170
n×3 64479255
n×4 85972340
n×5 107465425

Division

n÷y
n÷2 10746542.5
n÷3 7164361.6666667
n÷3 5373271.25
n÷5 4298617

Exponentiation

ny
n2 461952702817225
n3 9.9287887076304E+21
n4 2.1340029964014E+29
n5 4.586630779191E+36

Nth Root

y√n
2√n 4636.0635241549
3√n 278.03507398678
4√n 68.088644605066
5√n 29.272495724774

Divisors of 21493085

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 -21493084
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 21493085 can be divided by 16 positive divisors. The sum of these divisors (counting 21493085) is 1, the average is 0.0625.

Base conversion 21493085

Base System Value
2 Binary 1010001111111010101011101
3 Ternary 1111102221222012
4 Quaternary 1101333111131
5 Quinary 21000234320
6 Senary 2044401005
8 Octal 121772535
10 Decimal 21493085
12 Duodecimal 7246165
16 Hexadecimal 147f55d
20 Vigesimal 6e6ce5
36 Base36 cso65

Cryptographic Hash Functions

md5 06ae0939db31f44bf3a1986278162eee
sha1 d2eda6a17ce7b1290b6d9ba915cf3fe8e934efcf
sha256 be396c64d5d8728d8606d59ce843e997e6c75861d01f08197cdd4c0434e08132
sha512 4871de4e89a0ceb2d320535b8822ff76b08e04ad345fba30fab08ff1df65d0964fcf628ff76e30defe056ce94075061964465ba2ee9761e155127a7d56d91032
ripemd-160 36bccbcdc33dc477efe2753450e1dbcc442e57fb

21493085 as geometric shapes

Circle

Radius = n
Diameter 42986170
Circumference 135045035.87796
Area 1.4512672174765E+15

Sphere

Radius = n
Volume 4.1589612883916E+22
Surface area 5.8050688699062E+15
Circumference 135045035.87796

Square

Length = n
Perimeter 85972340
Area 461952702817225
Diagonal 30395812.304238

Cube

Length = n
Surface area 2771716216903350
Volume 9.9287887076304E+21
Space diagonal 37227115.231397

Equilateral Triangle

Length = n
Perimeter 64479255
Area 2.000313879933E+14
Altitude 18613557.615698

Triangular Pyramid

Length = n
Surface area 2.000313879933E+14
Volume 1.170118970689E+21
Height 10131937.434746