21495789 (number)

21495789 is an odd 8-digits composite number following 21495788 and preceding 21495790. In scientific notation, it is written as 2.1495789 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 12283272 positive integers (up to 21495789) that are relatively prime to 21495789.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand seven hundred eighty-nine

Notation

Scientific notation 2.1495789 × 10^7
Engineering notation 2.1495789 × 10^6

Prime Factorization of 21495789

Prime Factorization 9 × 7 × 341203

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21495789
Product of the distinct prime numbers

The prime factorization of 21495789 is 9 × 7 × 341203. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21495789)

Multiplication

n×y
n×2 42991578
n×3 64487367
n×4 85983156
n×5 107478945

Division

n÷y
n÷2 10747894.5
n÷3 7165263
n÷3 5373947.25
n÷5 4299157.8

Exponentiation

ny
n2 462068944732521
n3 9.9325365394229E+21
n4 2.1350770968623E+29
n5 4.5895166772884E+36

Nth Root

y√n
2√n 4636.3551417034
3√n 278.04673316793
4√n 68.090786026477
5√n 29.273232229985

Divisors of 21495789

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495788
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495789 can be divided by 8 positive divisors. The sum of these divisors (counting 21495789) is 1, the average is 0.125.

Base conversion 21495789

Base System Value
2 Binary 1010001111111111111101101
3 Ternary 1111110002200100
4 Quaternary 1101333333231
5 Quinary 21000331124
6 Senary 2044421313
8 Octal 121777755
10 Decimal 21495789
12 Duodecimal 7247839
16 Hexadecimal 147ffed
20 Vigesimal 6e6j99
36 Base36 csq99

Cryptographic Hash Functions

md5 f40cfaf95f9edc066975787e747316b1
sha1 714c4c2be0833dc394735215224d32cfb9d3a979
sha256 4c58d40f9e5729220b0e9c94d54427c85b747ad81239e9c6794cde78635b7dc0
sha512 ffa5be4338497bc482afe9bf927da1f8a2a3f1538f2c4ff4b5d5e5ee7703e81e20fd79bf0d879c4d5c74fd70418368f164b4c003c49cb12e7a28c4c91b7b7c68
ripemd-160 286a55ad79bd2e05f38de90a569e96b7e9d7aa0e

21495789 as geometric shapes

Circle

Radius = n
Diameter 42991578
Circumference 135062025.61103
Area 1.4516324022237E+15

Sphere

Radius = n
Volume 4.1605311765018E+22
Surface area 5.8065296088947E+15
Circumference 135062025.61103

Square

Length = n
Perimeter 85983156
Area 462068944732521
Diagonal 30399636.33771

Cube

Length = n
Surface area 2772413668395126
Volume 9.9325365394229E+21
Space diagonal 37231798.69678

Equilateral Triangle

Length = n
Perimeter 64487367
Area 2.0008172221912E+14
Altitude 18615899.34839

Triangular Pyramid

Length = n
Surface area 2.0008172221912E+14
Volume 1.1705606569015E+21
Height 10133212.11257