21124789 (number)

21124789 is an odd 8-digits composite number following 21124788 and preceding 21124790. In scientific notation, it is written as 2.1124789 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 16559424 positive integers (up to 21124789) that are relatively prime to 21124789.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1124789 × 10^7
Engineering notation 2.1124789 × 10^6

Prime Factorization of 21124789

Prime Factorization 7 × 19 × 29 × 5477

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21124789
Product of the distinct prime numbers

The prime factorization of 21124789 is 7 × 19 × 29 × 5477. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21124789)

Multiplication

n×y
n×2 42249578
n×3 63374367
n×4 84499156
n×5 105623945

Division

n÷y
n÷2 10562394.5
n÷3 7041596.3333333
n÷3 5281197.25
n÷5 4224957.8

Exponentiation

ny
n2 446256710294521
n3 9.4270788448059E+21
n4 1.9914505148289E+29
n5 4.2068971929701E+36

Nth Root

y√n
2√n 4596.1711238813
3√n 276.4378203089
4√n 67.79506710581
5√n 29.171480844433

Divisors of 21124789

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 -21124788
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 21124789 can be divided by 16 positive divisors. The sum of these divisors (counting 21124789) is 1, the average is 0.0625.

Base conversion 21124789

Base System Value
2 Binary 1010000100101011010110101
3 Ternary 1110202020202121
4 Quaternary 1100211122311
5 Quinary 20401443124
6 Senary 2032435541
8 Octal 120453265
10 Decimal 21124789
12 Duodecimal 70a8bb1
16 Hexadecimal 14256b5
20 Vigesimal 6c0bj9
36 Base36 ckrzp

Cryptographic Hash Functions

md5 0f6968f3f5a773f6aa9bf701a91d8ab1
sha1 ad782e6d374e5009e1a0752d2678e53e587e92ac
sha256 4668d69bdaab56ce9aa10ec421fefbf0ebc9239b58bd6f26bbe4a2b0f11d9980
sha512 70c581f9fcd4d68bf98563a62f9467df821da2d0abd0709fe20cdeafb44cecc32a68b707a9abb80d5e4d6c8a94c95b1e00848fe2630d27a416c6313a23ba1698
ripemd-160 d3e8c5c5893d4f29640434fc91ad39d1516997f4

21124789 as geometric shapes

Circle

Radius = n
Diameter 42249578
Circumference 132730963.86207
Area 1.4019568026764E+15

Sphere

Radius = n
Volume 3.9488055524872E+22
Surface area 5.6078272107057E+15
Circumference 132730963.86207

Square

Length = n
Perimeter 84499156
Area 446256710294521
Diagonal 29874963.10607

Cube

Length = n
Surface area 2677540261767126
Volume 9.4270788448059E+21
Space diagonal 36589207.847172

Equilateral Triangle

Length = n
Perimeter 63374367
Area 1.9323482386216E+14
Altitude 18294603.923586

Triangular Pyramid

Length = n
Surface area 1.9323482386216E+14
Volume 1.1109918963237E+21
Height 9958321.0353567