21491834 (number)

21491834 is an even 8-digits composite number following 21491833 and preceding 21491835. In scientific notation, it is written as 2.1491834 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors. There are 8451072 positive integers (up to 21491834) that are relatively prime to 21491834.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand eight hundred thirty-four

Notation

Scientific notation 2.1491834 × 10^7
Engineering notation 2.1491834 × 10^6

Prime Factorization of 21491834

Prime Factorization 2 × 7 × 13 × 263 × 449

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21491834
Product of the distinct prime numbers

The prime factorization of 21491834 is 2 × 7 × 13 × 263 × 449. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 8, 91, 59, 117, 676, 7007, 33, 53508, 8205, 507511, 604044, 9037559, 7517036, 96219526, 40162324, 487049952, 431693594, 9095228933, 4613776267

Basic calculations (n = 21491834)

Multiplication

n×y
n×2 42983668
n×3 64475502
n×4 85967336
n×5 107459170

Division

n÷y
n÷2 10745917
n÷3 7163944.6666667
n÷3 5372958.5
n÷5 4298366.8

Exponentiation

ny
n2 461898928683556
n3 9.9270551000448E+21
n4 2.1335062031902E+29
n5 4.5852961156933E+36

Nth Root

y√n
2√n 4635.9286016935
3√n 278.0296795599
4√n 68.08765381252
5√n 29.272154957083

Divisors of 21491834

1, 2, 7, 13, 14, 26, 91, 182, 263, 449, 526, 898, 1841, 3143, 3419, 3682, 5837, 6286, 6838, 11674, 23933, 40859, 47866, 81718, 118087, 236174, 826609, 1535131, 1653218, 3070262, 10745917, 21491834

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491833
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491834 can be divided by 32 positive divisors. The sum of these divisors (counting 21491834) is 1, the average is 0.03125.

Base conversion 21491834

Base System Value
2 Binary 1010001111111000001111010
3 Ternary 1111102220020212
4 Quaternary 1101333001322
5 Quinary 21000214314
6 Senary 2044351122
8 Octal 121770172
10 Decimal 21491834
12 Duodecimal 72454a2
16 Hexadecimal 147f07a
20 Vigesimal 6e69be
36 Base36 csn7e

Cryptographic Hash Functions

md5 8b642aa03be184c21a08a32b20851143
sha1 d9dc3174d6dc76f9156fc67a11d10ef5be5cfd7d
sha256 9097b4640eb8a6a011cad8d3cbf81df543516e11acc144becd5161107b984bc2
sha512 fecd36d2a787373ce0d8f75b9f7e71c025c4f05be13761ab79dce40559a6408a47d18b82f78b9b02825e86115531f481c5bb31d09c3f9f066f2f91b4f661d0e3
ripemd-160 0ae4840ffb0f72972647b5ba7279f9b12366a44c

21491834 as geometric shapes

Circle

Radius = n
Diameter 42983668
Circumference 135037175.61314
Area 1.4510982810533E+15

Sphere

Radius = n
Volume 4.1582351165443E+22
Surface area 5.804393124213E+15
Circumference 135037175.61314

Square

Length = n
Perimeter 85967336
Area 461898928683556
Diagonal 30394043.123071

Cube

Length = n
Surface area 2771393572101336
Volume 9.9270551000448E+21
Space diagonal 37224948.435836

Equilateral Triangle

Length = n
Perimeter 64475502
Area 2.0000810311039E+14
Altitude 18612474.217918

Triangular Pyramid

Length = n
Surface area 2.0000810311039E+14
Volume 1.1699146630757E+21
Height 10131347.70769