21493693 (number)

21493693 is an odd 8-digits composite number following 21493692 and preceding 21493694. In scientific notation, it is written as 2.1493693 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 18650304 positive integers (up to 21493693) that are relatively prime to 21493693.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493693 × 10^7
Engineering notation 2.1493693 × 10^6

Prime Factorization of 21493693

Prime Factorization 13 × 19 × 173 × 503

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21493693
Product of the distinct prime numbers

The prime factorization of 21493693 is 13 × 19 × 173 × 503. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 25, 24, 451, 223, 9518, 7414, 47118, 72685, 180083, 227116, 6677198, 3319240, 3814368, 91244356, 716044568, 169929930, 4609871593, 6737650975

Basic calculations (n = 21493693)

Multiplication

n×y
n×2 42987386
n×3 64481079
n×4 85974772
n×5 107468465

Division

n÷y
n÷2 10746846.5
n÷3 7164564.3333333
n÷3 5373423.25
n÷5 4298738.6

Exponentiation

ny
n2 461978838778249
n3 9.9296313331962E+21
n4 2.134244474789E+29
n5 4.5872795528061E+36

Nth Root

y√n
2√n 4636.1290965632
3√n 278.03769566302
4√n 68.089126125713
5√n 29.272661335956

Divisors of 21493693

1, 13, 19, 173, 247, 503, 2249, 3287, 6539, 9557, 42731, 87019, 124241, 1131247, 1653361, 21493693

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 -21493692
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 21493693 can be divided by 16 positive divisors. The sum of these divisors (counting 21493693) is 1, the average is 0.0625.

Base conversion 21493693

Base System Value
2 Binary 1010001111111011110111101
3 Ternary 1111102222210201
4 Quaternary 1101333132331
5 Quinary 21000244233
6 Senary 2044403501
8 Octal 121773675
10 Decimal 21493693
12 Duodecimal 7246591
16 Hexadecimal 147f7bd
20 Vigesimal 6e6e4d
36 Base36 cson1

Cryptographic Hash Functions

md5 3a587065e154543384a6873ef79e5592
sha1 186494dfdd7ab69c48af79fcea4e5cc3dc031796
sha256 c5471bd4d91b364bc3d3b58d1776e2625a7b9a799c5b3389201e8216968bf573
sha512 ba6d185f15aff3a9762f238e5001ec70069a57b510d308190436fbb17c0a1c7e60aa9b728d7429e72b9e4cc4069a761a5e83bd92dd9ebdd0cc19c2ad97f9134a
ripemd-160 8b8c44206bee6ecb1712df0f234ba21273bc64dd

21493693 as geometric shapes

Circle

Radius = n
Diameter 42987386
Circumference 135048856.05463
Area 1.4513493260197E+15

Sphere

Radius = n
Volume 4.1593142465632E+22
Surface area 5.8053973040788E+15
Circumference 135048856.05463

Square

Length = n
Perimeter 85974772
Area 461978838778249
Diagonal 30396672.146084

Cube

Length = n
Surface area 2771873032669494
Volume 9.9296313331962E+21
Space diagonal 37228168.318288

Equilateral Triangle

Length = n
Perimeter 64481079
Area 2.000427051964E+14
Altitude 18614084.159144

Triangular Pyramid

Length = n
Surface area 2.000427051964E+14
Volume 1.1702182750642E+21
Height 10132224.048695