21556685 (number)

21556685 is an odd 8-digits composite number following 21556684 and preceding 21556686. In scientific notation, it is written as 2.1556685 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 17245344 positive integers (up to 21556685) that are relatively prime to 21556685.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1556685 × 10^7
Engineering notation 2.1556685 × 10^6

Prime Factorization of 21556685

Prime Factorization 5 × 4311337

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21556685
Product of the distinct prime numbers

The prime factorization of 21556685 is 5 × 4311337. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21556685)

Multiplication

n×y
n×2 43113370
n×3 64670055
n×4 86226740
n×5 107783425

Division

n÷y
n÷2 10778342.5
n÷3 7185561.6666667
n÷3 5389171.25
n÷5 4311337

Exponentiation

ny
n2 464690668189225
n3 1.0017190356595E+22
n4 2.1593741710215E+29
n5 4.6548948801846E+36

Nth Root

y√n
2√n 4642.9177248795
3√n 278.30904764578
4√n 68.138958935982
5√n 29.289799253048

Divisors of 21556685

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21556684
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21556685 can be divided by 4 positive divisors. The sum of these divisors (counting 21556685) is 1, the average is 0.25.

Base conversion 21556685

Base System Value
2 Binary 1010010001110110111001101
3 Ternary 1111120012012202
4 Quaternary 1102032313031
5 Quinary 21004303220
6 Senary 2050011245
8 Octal 122166715
10 Decimal 21556685
12 Duodecimal 7276b25
16 Hexadecimal 148edcd
20 Vigesimal 6eebe5
36 Base36 cu18t

Cryptographic Hash Functions

md5 db85236f9a9bcd90946437e8be316b17
sha1 29b0a318e0df4f0a0f81a64207f0cb7d5602d82d
sha256 d00d79f2f48afb96c90e40b6280343b1ec02e3dc301cb6059dd8c10fd7774318
sha512 e91f79fac585c14bc0d4ef873fc8784d0cd4d360cb5320a18a2e93345caf5fa1cc0b00e0fd6f978f5d4196c9f70d8dc7fc18c569d6e0eebffafc1716434c1f17
ripemd-160 6e6f45eb38dfe53ce78b97067fa4dd94bb5a0af7

21556685 as geometric shapes

Circle

Radius = n
Diameter 43113370
Circumference 135444646.4635
Area 1.459868789375E+15

Sphere

Radius = n
Volume 4.1959908845184E+22
Surface area 5.8394751575E+15
Circumference 135444646.4635

Square

Length = n
Perimeter 86226740
Area 464690668189225
Diagonal 30485756.286805

Cube

Length = n
Surface area 2788144009135350
Volume 1.0017190356595E+22
Space diagonal 37337273.662758

Equilateral Triangle

Length = n
Perimeter 64670055
Area 2.0121696177672E+14
Altitude 18668636.831379

Triangular Pyramid

Length = n
Surface area 2.0121696177672E+14
Volume 1.1805372049308E+21
Height 10161918.762268