21493767 (number)

21493767 is an odd 8-digits composite number following 21493766 and preceding 21493768. In scientific notation, it is written as 2.1493767 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 13975104 positive integers (up to 21493767) that are relatively prime to 21493767.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493767 × 10^7
Engineering notation 2.1493767 × 10^6

Prime Factorization of 21493767

Prime Factorization 3 × 79 × 89 × 1019

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21493767
Product of the distinct prime numbers

The prime factorization of 21493767 is 3 × 79 × 89 × 1019. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493767)

Multiplication

n×y
n×2 42987534
n×3 64481301
n×4 85975068
n×5 107468835

Division

n÷y
n÷2 10746883.5
n÷3 7164589
n÷3 5373441.75
n÷5 4298753.4

Exponentiation

ny
n2 461982019850289
n3 9.9297338928515E+21
n4 2.1342738666495E+29
n5 4.5873585203954E+36

Nth Root

y√n
2√n 4636.1370773522
3√n 278.03801474524
4√n 68.089184731147
5√n 29.272681492324

Divisors of 21493767

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 -21493766
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 21493767 can be divided by 16 positive divisors. The sum of these divisors (counting 21493767) is 1, the average is 0.0625.

Base conversion 21493767

Base System Value
2 Binary 1010001111111100000000111
3 Ternary 1111102222220110
4 Quaternary 1101333200013
5 Quinary 21000300032
6 Senary 2044404103
8 Octal 121774007
10 Decimal 21493767
12 Duodecimal 7246633
16 Hexadecimal 147f807
20 Vigesimal 6e6e87
36 Base36 csop3

Cryptographic Hash Functions

md5 854d1043f6433bdc5cf461fc3e76dc2e
sha1 808f848513b545d6379c764f6395627973e877f5
sha256 4e29705c1c06d1dd8becbedae224e7b1df6b5edb6f21ee8091baf0db8686659f
sha512 72807fe9c637ffebb30fac2a50f4de599b2c08d1c1465ddb3f8f45d7817e862e4fd2cf025158ea2b011ebbdea762c0d48d3a19f04a017aebd26e9d47b4bec1cd
ripemd-160 dbd01c2c68c2701035b06fd969654b400c45a1ca

21493767 as geometric shapes

Circle

Radius = n
Diameter 42987534
Circumference 135049321.01034
Area 1.4513593196522E+15

Sphere

Radius = n
Volume 4.1593572066512E+22
Surface area 5.805437278609E+15
Circumference 135049321.01034

Square

Length = n
Perimeter 85975068
Area 461982019850289
Diagonal 30396776.797887

Cube

Length = n
Surface area 2771892119101734
Volume 9.9297338928515E+21
Space diagonal 37228296.490047

Equilateral Triangle

Length = n
Perimeter 64481301
Area 2.00044082641E+14
Altitude 18614148.245024

Triangular Pyramid

Length = n
Surface area 2.00044082641E+14
Volume 1.1702303618355E+21
Height 10132258.932629