21493726 (number)

21493726 is an even 8-digits composite number following 21493725 and preceding 21493727. In scientific notation, it is written as 2.1493726 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors. There are 10155600 positive integers (up to 21493726) that are relatively prime to 21493726.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493726 × 10^7
Engineering notation 2.1493726 × 10^6

Prime Factorization of 21493726

Prime Factorization 2 × 53 × 31 × 31 × 211

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 693346
Product of the distinct prime numbers

The prime factorization of 21493726 is 2 × 53 × 31 × 31 × 211. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 8, 12, 93, 4, 252, 8519, 4276, 71389, 34474, 860111, 205477, 169926, 970921, 22309977, 38581186, 366786111, 508261020, 9347650827, 9330183295

Basic calculations (n = 21493726)

Multiplication

n×y
n×2 42987452
n×3 64481178
n×4 85974904
n×5 107468630

Division

n÷y
n÷2 10746863
n÷3 7164575.3333333
n÷3 5373431.5
n÷5 4298745.2

Exponentiation

ny
n2 461980257363076
n3 9.9296770691714E+21
n4 2.1342575819325E+29
n5 4.5873147679481E+36

Nth Root

y√n
2√n 4636.1326555654
3√n 278.03783795654
4√n 68.089152260587
5√n 29.272670324613

Divisors of 21493726

1, 2, 31, 53, 62, 106, 211, 422, 961, 1643, 1922, 3286, 6541, 11183, 13082, 22366, 50933, 101866, 202771, 346673, 405542, 693346, 10746863, 21493726

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493725
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493726 can be divided by 24 positive divisors. The sum of these divisors (counting 21493726) is 1, the average is 0.041666666666667.

Base conversion 21493726

Base System Value
2 Binary 1010001111111011111011110
3 Ternary 1111102222211221
4 Quaternary 1101333133132
5 Quinary 21000244401
6 Senary 2044403554
8 Octal 121773736
10 Decimal 21493726
12 Duodecimal 72465ba
16 Hexadecimal 147f7de
20 Vigesimal 6e6e66
36 Base36 csony

Cryptographic Hash Functions

md5 020a67d43763f437a112bf4ec8b84afc
sha1 eb783f4d8dbc97288814305b715e183651c31b71
sha256 917caa6b68793e6159644fd4de7d61261049eb01d458a01c14e845f86a5182bb
sha512 001891efa508260254964be4ad1491dd37b03a57d3e1cea297e5aa37336a88a8649c8a467a5deca70ddd735b916a19b266c63666d37210904e8fa840fc30e3c8
ripemd-160 4a2c068c64facfcb466c461c66bc264b094bdfbf

21493726 as geometric shapes

Circle

Radius = n
Diameter 42987452
Circumference 135049063.39974
Area 1.4513537826354E+15

Sphere

Radius = n
Volume 4.1593334044037E+22
Surface area 5.8054151305414E+15
Circumference 135049063.39974

Square

Length = n
Perimeter 85974904
Area 461980257363076
Diagonal 30396718.815131

Cube

Length = n
Surface area 2771881544178456
Volume 9.9296770691714E+21
Space diagonal 37228225.475964

Equilateral Triangle

Length = n
Perimeter 64481178
Area 2.0004331946165E+14
Altitude 18614112.737982

Triangular Pyramid

Length = n
Surface area 2.0004331946165E+14
Volume 1.1702236651006E+21
Height 10132239.605044