21496721 (number)

21496721 is an odd 8-digits composite number following 21496720 and preceding 21496722. In scientific notation, it is written as 2.1496721 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 20163328 positive integers (up to 21496721) that are relatively prime to 21496721.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-six thousand seven hundred twenty-one

Notation

Scientific notation 2.1496721 × 10^7
Engineering notation 2.1496721 × 10^6

Prime Factorization of 21496721

Prime Factorization 17 × 317 × 3989

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21496721
Product of the distinct prime numbers

The prime factorization of 21496721 is 17 × 317 × 3989. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21496721)

Multiplication

n×y
n×2 42993442
n×3 64490163
n×4 85986884
n×5 107483605

Division

n÷y
n÷2 10748360.5
n÷3 7165573.6666667
n÷3 5374180.25
n÷5 4299344.2

Exponentiation

ny
n2 462109013751841
n3 9.9338285402085E+21
n4 2.135447405907E+29
n5 4.5905117094956E+36

Nth Root

y√n
2√n 4636.4556506021
3√n 278.05075156444
4√n 68.091524073133
5√n 29.273486067416

Divisors of 21496721

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 -21496720
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 21496721 can be divided by 8 positive divisors. The sum of these divisors (counting 21496721) is 1, the average is 0.125.

Base conversion 21496721

Base System Value
2 Binary 1010010000000001110010001
3 Ternary 1111110010221212
4 Quaternary 1102000032101
5 Quinary 21000343341
6 Senary 2044425505
8 Octal 122001621
10 Decimal 21496721
12 Duodecimal 7248295
16 Hexadecimal 1480391
20 Vigesimal 6e71g1
36 Base36 csqz5

Cryptographic Hash Functions

md5 cf66db68242cd3fad44bc1d8a9bec231
sha1 60f18c94ff9e0c4d2e45535aaee85ed8d53c645d
sha256 55b58411716869abb8b99524753eb3422de915ff622abd51dfb99fb6b8d34364
sha512 4d70c0ffc50a4efdd8c0df7acebd0ee13fe5ab4211b4b5601df328f6ab8f29f7cb325045208c739df019daf5dd357e0ab50f74dd8e518a9064b30d784a137290
ripemd-160 3b5cf08b972e8b21d64d6cf37b68cf8e94892e5e

21496721 as geometric shapes

Circle

Radius = n
Diameter 42993442
Circumference 135067881.53974
Area 1.4517582827604E+15

Sphere

Radius = n
Volume 4.1610723685253E+22
Surface area 5.8070331310416E+15
Circumference 135067881.53974

Square

Length = n
Perimeter 85986884
Area 462109013751841
Diagonal 30400954.384751

Cube

Length = n
Surface area 2772654082511046
Volume 9.9338285402085E+21
Space diagonal 37233412.968133

Equilateral Triangle

Length = n
Perimeter 64490163
Area 2.0009907261343E+14
Altitude 18616706.484066

Triangular Pyramid

Length = n
Surface area 2.0009907261343E+14
Volume 1.1707129206543E+21
Height 10133651.461584