21493468 (number)

21493468 is an even 8-digits composite number following 21493467 and preceding 21493469. In scientific notation, it is written as 2.1493468 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 10732032 positive integers (up to 21493468) that are relatively prime to 21493468.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand four hundred sixty-eight

Notation

Scientific notation 2.1493468 × 10^7
Engineering notation 2.1493468 × 10^6

Prime Factorization of 21493468

Prime Factorization 2 × 2 × 823 × 6529

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10746734
Product of the distinct prime numbers

The prime factorization of 21493468 is 2 × 2 × 823 × 6529. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 60, 52, 749, 461, 3530, 5839, 24908, 66340, 246713, 555934, 3332079, 1874278, 21524930, 57775414, 17045724, 455645061, 1531443616, 9288009431

Basic calculations (n = 21493468)

Multiplication

n×y
n×2 42986936
n×3 64480404
n×4 85973872
n×5 107467340

Division

n÷y
n÷2 10746734
n÷3 7164489.3333333
n÷3 5373367
n÷5 4298693.6

Exponentiation

ny
n2 461969166667024
n3 9.9293195007443E+21
n4 2.1341551095102E+29
n5 4.5870394553295E+36

Nth Root

y√n
2√n 4636.1048305663
3√n 278.0367254761
4√n 68.088947932585
5√n 29.27260004936

Divisors of 21493468

1, 2, 4, 823, 1646, 3292, 6529, 13058, 26116, 5373367, 10746734, 21493468

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493467
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493468 can be divided by 12 positive divisors. The sum of these divisors (counting 21493468) is 1, the average is 0.083333333333333.

Base conversion 21493468

Base System Value
2 Binary 1010001111111011011011100
3 Ternary 1111102222111101
4 Quaternary 1101333123130
5 Quinary 21000242333
6 Senary 2044402444
8 Octal 121773334
10 Decimal 21493468
12 Duodecimal 7246424
16 Hexadecimal 147f6dc
20 Vigesimal 6e6dd8
36 Base36 csogs

Cryptographic Hash Functions

md5 4edc4d149bd2dc26efb0886552632113
sha1 84a8dc5d4391b0cce39151b68620266004f1f75d
sha256 4a709348c32ba7a255aa165842ef929d62266f6924853d390309b79f2cafcadc
sha512 8ffa36edfa15b7cf42f6536356996343d9bb728dbd49bba74183ace99f21f8cc63b63912ccbd90078465975e0e64a429399a2636d3b73649ec27d94819cd1ab9
ripemd-160 282c515155a967910f3508efedfbd4802ba5ec13

21493468 as geometric shapes

Circle

Radius = n
Diameter 42986936
Circumference 135047442.33793
Area 1.4513189401861E+15

Sphere

Radius = n
Volume 4.1591836264912E+22
Surface area 5.8052757607445E+15
Circumference 135047442.33793

Square

Length = n
Perimeter 85973872
Area 461969166667024
Diagonal 30396353.948032

Cube

Length = n
Surface area 2771815000002144
Volume 9.9293195007443E+21
Space diagonal 37227778.606856

Equilateral Triangle

Length = n
Perimeter 64480404
Area 2.0003851704939E+14
Altitude 18613889.303428

Triangular Pyramid

Length = n
Surface area 2.0003851704939E+14
Volume 1.1701815252574E+21
Height 10132117.982677