21491326 (number)

21491326 is an even 8-digits composite number following 21491325 and preceding 21491327. In scientific notation, it is written as 2.1491326 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 10745662 positive integers (up to 21491326) that are relatively prime to 21491326.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491326 × 10^7
Engineering notation 2.1491326 × 10^6

Prime Factorization of 21491326

Prime Factorization 2 × 10745663

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21491326
Product of the distinct prime numbers

The prime factorization of 21491326 is 2 × 10745663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 8, 9, 86, 923, 137, 2877, 1870, 56694, 59263, 505394, 193169, 3807964, 6459557, 7322751, 31817400, 99885145, 272428657, 5255420211, 456430922

Basic calculations (n = 21491326)

Multiplication

n×y
n×2 42982652
n×3 64473978
n×4 85965304
n×5 107456630

Division

n÷y
n÷2 10745663
n÷3 7163775.3333333
n÷3 5372831.5
n÷5 4298265.2

Exponentiation

ny
n2 461877093238276
n3 9.9263511827162E+21
n4 2.1333044925824E+29
n5 4.5847542307353E+36

Nth Root

y√n
2√n 4635.8738119151
3√n 278.02748895749
4√n 68.087251463949
5√n 29.272016575265

Divisors of 21491326

1, 2, 10745663, 21491326

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491325
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491326 can be divided by 4 positive divisors. The sum of these divisors (counting 21491326) is 1, the average is 0.25.

Base conversion 21491326

Base System Value
2 Binary 1010001111110111001111110
3 Ternary 1111102212120001
4 Quaternary 1101332321332
5 Quinary 21000210301
6 Senary 2044344514
8 Octal 121767176
10 Decimal 21491326
12 Duodecimal 724513a
16 Hexadecimal 147ee7e
20 Vigesimal 6e6866
36 Base36 csmta

Cryptographic Hash Functions

md5 b29d9c324d80fbd3a755e719599b1031
sha1 ec05e47a52656f59f5984d17e6b49a9cfd943a38
sha256 052e28029932afc6846b85008968d7193b0e8737affe718cb2361c9fd50a5164
sha512 52fcc9fff3184b5d1eb189d715f6f0925f0e3a069c01f7575d89e1c36eede17ccf63e356723723447b2314082afc56b1c734388bcb7d01b96418f43a6d67a58d
ripemd-160 0fbfdc521954a6b944ec59671d88c77383c3e468

21491326 as geometric shapes

Circle

Radius = n
Diameter 42982652
Circumference 135033983.75501
Area 1.4510296829788E+15

Sphere

Radius = n
Volume 4.1579402603431E+22
Surface area 5.8041187319151E+15
Circumference 135033983.75501

Square

Length = n
Perimeter 85965304
Area 461877093238276
Diagonal 30393324.702582

Cube

Length = n
Surface area 2771262559429656
Volume 9.9263511827162E+21
Space diagonal 37224068.554026

Equilateral Triangle

Length = n
Perimeter 64473978
Area 1.9999864808523E+14
Altitude 18612034.277013

Triangular Pyramid

Length = n
Surface area 1.9999864808523E+14
Volume 1.169831705623E+21
Height 10131108.234194