21556660 (number)

21556660 is an even 8-digits composite number following 21556659 and preceding 21556661. In scientific notation, it is written as 2.1556660 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 8605824 positive integers (up to 21556660) that are relatively prime to 21556660.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1556660 × 10^7
Engineering notation 2.1556660 × 10^6

Prime Factorization of 21556660

Prime Factorization 2 × 2 × 5 × 877 × 1229

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10778330
Product of the distinct prime numbers

The prime factorization of 21556660 is 2 × 2 × 5 × 877 × 1229. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 5, 4, 6, 935, 754, 7936, 1486, 61555, 81241, 213453, 63790, 7628835, 2540837, 68710724, 19013021, 50076281, 853136451, 2113439108, 3031633888

Basic calculations (n = 21556660)

Multiplication

n×y
n×2 43113320
n×3 64669980
n×4 86226640
n×5 107783300

Division

n÷y
n÷2 10778330
n÷3 7185553.3333333
n÷3 5389165
n÷5 4311332

Exponentiation

ny
n2 464689590355600
n3 1.0017155504835E+22
n4 2.1593641538486E+29
n5 4.6548678880701E+36

Nth Root

y√n
2√n 4642.9150326061
3√n 278.30894005767
4√n 68.138939180223
5√n 29.289792459376

Divisors of 21556660

1, 2, 4, 5, 10, 20, 877, 1229, 1754, 2458, 3508, 4385, 4916, 6145, 8770, 12290, 17540, 24580, 1077833, 2155666, 4311332, 5389165, 10778330, 21556660

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21556659
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21556660 can be divided by 24 positive divisors. The sum of these divisors (counting 21556660) is 1, the average is 0.041666666666667.

Base conversion 21556660

Base System Value
2 Binary 1010010001110110110110100
3 Ternary 1111120012011211
4 Quaternary 1102032312310
5 Quinary 21004303120
6 Senary 2050011204
8 Octal 122166664
10 Decimal 21556660
12 Duodecimal 7276b04
16 Hexadecimal 148edb4
20 Vigesimal 6eebd0
36 Base36 cu184

Cryptographic Hash Functions

md5 dfcd503db04d4723f74b7c2389cb283d
sha1 e471cbe97cb90b10b46eba012b97730f926965de
sha256 11267eb951749edbd394efcea1609a06cc35c199bfb3a460883a74c0fb48ff06
sha512 6d5a9d079c7cd2b65f4d8dd02b86f85e3deddafdcc3f08aa7ab259d7f158f61f9223c01dc507058ff0441205b39f73c22d3dd62a57e8cd9d156f44fc6a14c60d
ripemd-160 5e7948bc5f16eda38407ba552ba03d22fb40d4e4

21556660 as geometric shapes

Circle

Radius = n
Diameter 43113320
Circumference 135444489.38387
Area 1.4598654032608E+15

Sphere

Radius = n
Volume 4.1959762858475E+22
Surface area 5.8394616130432E+15
Circumference 135444489.38387

Square

Length = n
Perimeter 86226640
Area 464689590355600
Diagonal 30485720.931466

Cube

Length = n
Surface area 2788137542133600
Volume 1.0017155504835E+22
Space diagonal 37337230.361488

Equilateral Triangle

Length = n
Perimeter 64669980
Area 2.0121649506107E+14
Altitude 18668615.180744

Triangular Pyramid

Length = n
Surface area 2.0121649506107E+14
Volume 1.1805330976115E+21
Height 10161906.977155