21551689 (number)

21551689 is an odd 8-digits composite number following 21551688 and preceding 21551690. In scientific notation, it is written as 2.1551689 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors. There are 21225600 positive integers (up to 21551689) that are relatively prime to 21551689.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand six hundred eighty-nine

Notation

Scientific notation 2.1551689 × 10^7
Engineering notation 2.1551689 × 10^6

Prime Factorization of 21551689

Prime Factorization 67 × 67 × 4801

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 321667
Product of the distinct prime numbers

The prime factorization of 21551689 is 67 × 67 × 4801. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551689)

Multiplication

n×y
n×2 43103378
n×3 64655067
n×4 86206756
n×5 107758445

Division

n÷y
n÷2 10775844.5
n÷3 7183896.3333333
n÷3 5387922.25
n÷5 4310337.8

Exponentiation

ny
n2 464475298752721
n3 1.0010227186901E+22
n4 2.1573730315143E+29
n5 4.6495032632183E+36

Nth Root

y√n
2√n 4642.3796699538
3√n 278.28754558533
4√n 68.135010603608
5√n 29.288441480232

Divisors of 21551689

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551688
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551689 can be divided by 6 positive divisors. The sum of these divisors (counting 21551689) is 1, the average is 0.16666666666667.

Base conversion 21551689

Base System Value
2 Binary 1010010001101101001001001
3 Ternary 1111112221100201
4 Quaternary 1102031221021
5 Quinary 21004123224
6 Senary 2045532201
8 Octal 122155111
10 Decimal 21551689
12 Duodecimal 7274061
16 Hexadecimal 148da49
20 Vigesimal 6edj49
36 Base36 ctxe1

Cryptographic Hash Functions

md5 4653389e3896d4a21c0eabf7f0330f15
sha1 91f95412059b5b41d80db1a938d7b98767fe337e
sha256 8c457345e79fb6095ba3df184352f6dc31f746f30cc4c2391c7bacd4f8d48e45
sha512 6fde958a2943511c3dca66057657ad2de05724cc1ce1f9faa3b486e0490ed7670c303e95cb1b9572d187aaa0c08e58070e0bb41ee3a474e52fab2bd32a44e4e2
ripemd-160 98b49af59eb5a23863da3ef78876ce27980ecd90

21551689 as geometric shapes

Circle

Radius = n
Diameter 43103378
Circumference 135413255.6697
Area 1.4591921863355E+15

Sphere

Radius = n
Volume 4.1930741588176E+22
Surface area 5.8367687453419E+15
Circumference 135413255.6697

Square

Length = n
Perimeter 86206756
Area 464475298752721
Diagonal 30478690.875847

Cube

Length = n
Surface area 2786851792516326
Volume 1.0010227186901E+22
Space diagonal 37328620.336923

Equilateral Triangle

Length = n
Perimeter 64655067
Area 2.0112370407511E+14
Altitude 18664310.168462

Triangular Pyramid

Length = n
Surface area 2.0112370407511E+14
Volume 1.1797165875126E+21
Height 10159563.625282