21894789 (number)

21894789 is an odd 8-digits composite number following 21894788 and preceding 21894790. In scientific notation, it is written as 2.1894789 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 12511296 positive integers (up to 21894789) that are relatively prime to 21894789.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1894789 × 10^7
Engineering notation 2.1894789 × 10^6

Prime Factorization of 21894789

Prime Factorization 3 × 7 × 1042609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21894789
Product of the distinct prime numbers

The prime factorization of 21894789 is 3 × 7 × 1042609. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21894789)

Multiplication

n×y
n×2 43789578
n×3 65684367
n×4 87579156
n×5 109473945

Division

n÷y
n÷2 10947394.5
n÷3 7298263
n÷3 5473697.25
n÷5 4378957.8

Exponentiation

ny
n2 479381785354521
n3 1.0495963040781E+22
n4 2.2980689612969E+29
n5 5.0315735015044E+36

Nth Root

y√n
2√n 4679.1867883212
3√n 279.7565443328
4√n 68.404581632528
5√n 29.38110686851

Divisors of 21894789

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 -21894788
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 21894789 can be divided by 8 positive divisors. The sum of these divisors (counting 21894789) is 1, the average is 0.125.

Base conversion 21894789

Base System Value
2 Binary 1010011100001011010000101
3 Ternary 1112012101000010
4 Quaternary 1103201122011
5 Quinary 21101113124
6 Senary 2101140433
8 Octal 123413205
10 Decimal 21894789
12 Duodecimal 73ba719
16 Hexadecimal 14e1685
20 Vigesimal 6gggj9
36 Base36 d1a4l

Cryptographic Hash Functions

md5 ce817218c47f675712bf25e7d41ddcfd
sha1 5bc3953e3982ae975e723467b0ec24da44402113
sha256 4a37a8165bb74ce96201655e46ae1f59fb2d9c87777d5d9cc88849117aa2d22a
sha512 b8a07c6c82c7bc9df60542f7f144c45a5bb9682005853b3757ddcf6d475d7a2223b05044f0a27cc11e40ced6422a18a38e38457ad17878f7f3ba98fed7c96b44
ripemd-160 79643a53b8746af8f7d06f80ec1d42302e491b78

21894789 as geometric shapes

Circle

Radius = n
Diameter 43789578
Circumference 137569016.5486
Area 1.5060222951345E+15

Sphere

Radius = n
Volume 4.3965387175021E+22
Surface area 6.0240891805381E+15
Circumference 137569016.5486

Square

Length = n
Perimeter 87579156
Area 479381785354521
Diagonal 30963907.549097

Cube

Length = n
Surface area 2876290712127126
Volume 1.0495963040781E+22
Space diagonal 37922886.969

Equilateral Triangle

Length = n
Perimeter 65684367
Area 2.0757840211428E+14
Altitude 18961443.4845

Triangular Pyramid

Length = n
Surface area 2.0757840211428E+14
Volume 1.2369611068699E+21
Height 10321302.516366