21491259 (number)

21491259 is an odd 8-digits composite number following 21491258 and preceding 21491260. In scientific notation, it is written as 2.1491259 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 14066208 positive integers (up to 21491259) that are relatively prime to 21491259.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand two hundred fifty-nine

Notation

Scientific notation 2.1491259 × 10^7
Engineering notation 2.1491259 × 10^6

Prime Factorization of 21491259

Prime Factorization 3 × 103 × 157 × 443

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21491259
Product of the distinct prime numbers

The prime factorization of 21491259 is 3 × 103 × 157 × 443. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 4, 79, 57, 122, 150, 9639, 1270, 46666, 19743, 980589, 32183, 4190254, 8512743, 82995798, 46108673, 429398864, 218247413, 4053603090, 700212380

Basic calculations (n = 21491259)

Multiplication

n×y
n×2 42982518
n×3 64473777
n×4 85965036
n×5 107456295

Division

n÷y
n÷2 10745629.5
n÷3 7163753
n÷3 5372814.75
n÷5 4298251.8

Exponentiation

ny
n2 461874213405081
n3 9.9262583457099E+21
n4 2.1332778900856E+29
n5 4.5846827654804E+36

Nth Root

y√n
2√n 4635.8665856558
3√n 278.02720003688
4√n 68.087198397759
5√n 29.271998323924

Divisors of 21491259

1, 3, 103, 157, 309, 443, 471, 1329, 16171, 45629, 48513, 69551, 136887, 208653, 7163753, 21491259

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 -21491258
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 21491259 can be divided by 16 positive divisors. The sum of these divisors (counting 21491259) is 1, the average is 0.0625.

Base conversion 21491259

Base System Value
2 Binary 1010001111110111000111011
3 Ternary 1111102212110120
4 Quaternary 1101332320323
5 Quinary 21000210014
6 Senary 2044344323
8 Octal 121767073
10 Decimal 21491259
12 Duodecimal 72450a3
16 Hexadecimal 147ee3b
20 Vigesimal 6e682j
36 Base36 csmrf

Cryptographic Hash Functions

md5 9e767b8aaf80c4858d78f9b5ffc232be
sha1 7bc288056c9080c780086df51f936ef9f700a0cf
sha256 f917f3547ec25252fd3fa43c535fa95b53154582ed72dc7d003c43d1b56c6535
sha512 fdc57e07b5201c38395063d9059c60dfa9e549ea9b2f710812821391a4fdb4f8e67d117c95c5828f82e70f10142186528980127a7202868f78573f5cd587699b
ripemd-160 abd2dfddcc278b1a3ec51608df31ac5b3aa7c193

21491259 as geometric shapes

Circle

Radius = n
Diameter 42982518
Circumference 135033562.78159
Area 1.451020635716E+15

Sphere

Radius = n
Volume 4.1579013728689E+22
Surface area 5.8040825428639E+15
Circumference 135033562.78159

Square

Length = n
Perimeter 85965036
Area 461874213405081
Diagonal 30393229.950273

Cube

Length = n
Surface area 2771245280430486
Volume 9.9262583457099E+21
Space diagonal 37223952.506622

Equilateral Triangle

Length = n
Perimeter 64473777
Area 1.9999740108088E+14
Altitude 18611976.253311

Triangular Pyramid

Length = n
Surface area 1.9999740108088E+14
Volume 1.1698207646768E+21
Height 10131076.650091