21497 (number)

21497 is an odd 5-digits composite number following 21496 and preceding 21498. In scientific notation, it is written as 2.1497 × 10^4. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 17712 positive integers (up to 21497) that are relatively prime to 21497.

Interesting facts

Basic properties

Name

Name twenty-one thousand four hundred ninety-seven

Notation

Scientific notation 2.1497 × 10^4
Engineering notation 2.1497 × 10^3

Prime Factorization of 21497

Prime Factorization 7 × 83 × 37

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21497
Product of the distinct prime numbers

The prime factorization of 21497 is 7 × 83 × 37. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 50, 54, 861, 728, 5333, 7376, 9933, 31794, 128812, 983803, 5372987, 910704, 81519117, 17594191, 137202198, 456315019, 4808254039, 852648818

Basic calculations (n = 21497)

Multiplication

n×y
n×2 42994
n×3 64491
n×4 85988
n×5 107485

Division

n÷y
n÷2 10748.5
n÷3 7165.6666666667
n÷3 5374.25
n÷5 4299.4

Exponentiation

ny
n2 462121009
n3 9934215330473
n4 213555826959178081
n5 4.5908096121415E+21

Nth Root

y√n
2√n 146.61855271418
3√n 27.805195447385
4√n 12.108614814015
5√n 7.3531863324187

Divisors of 21497

1, 7, 37, 83, 259, 581, 3071, 21497

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21496
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497 can be divided by 8 positive divisors. The sum of these divisors (counting 21497) is 1, the average is 0.125.

Base conversion 21497

Base System Value
2 Binary 101001111111001
3 Ternary 1002111012
4 Quaternary 11033321
5 Quinary 1141442
6 Senary 243305
8 Octal 51771
10 Decimal 21497
12 Duodecimal 10535
16 Hexadecimal 53f9
20 Vigesimal 2deh
36 Base36 gl5

Cryptographic Hash Functions

md5 fe8946bd00dd1178502ce6befbb2a29a
sha1 28a5f33f76596a85e91fc073adca8d578d39ad23
sha256 acfff09aec0f449018c843a9e3f93b8669086bbf0e862a883d6398952f17abd6
sha512 a32b3b8e5e8035b9ece49ce141a4087e33ab8e53b2c941d459482c1c90f454f5dac6c5ffec4cbb6755b8c20896a8d07030ef769e019c74fb8355812202b14031
ripemd-160 b59ece59df764c644404c53ec53bff1c48d76ad7

21497 as geometric shapes

Circle

Radius = n
Diameter 42994
Circumference 135069.63454844
Area 1451795966.9439

Sphere

Radius = n
Volume 41612343868524
Surface area 5807183867.7756
Circumference 135069.63454844

Square

Length = n
Perimeter 85988
Area 462121009
Diagonal 30401.348950334

Cube

Length = n
Surface area 2772726054
Volume 9934215330473
Space diagonal 37233.896210308

Equilateral Triangle

Length = n
Perimeter 64491
Area 200104266.70825
Altitude 18616.948105154

Triangular Pyramid

Length = n
Surface area 200104266.70825
Volume 1170758504324.1
Height 10133.782983445