21556844 (number)

21556844 is an even 8-digits composite number following 21556843 and preceding 21556845. In scientific notation, it is written as 2.1556844 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 10732848 positive integers (up to 21556844) that are relatively prime to 21556844.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-six thousand eight hundred forty-four

Notation

Scientific notation 2.1556844 × 10^7
Engineering notation 2.1556844 × 10^6

Prime Factorization of 21556844

Prime Factorization 2 × 2 × 239 × 22549

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10778422
Product of the distinct prime numbers

The prime factorization of 21556844 is 2 × 2 × 239 × 22549. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 37, 64, 24, 485, 7449, 8615, 24214, 76715, 407570, 479805, 5805183, 9946468, 19991414, 39253301, 148198159, 940293186, 7543924799, 1520581096

Basic calculations (n = 21556844)

Multiplication

n×y
n×2 43113688
n×3 64670532
n×4 86227376
n×5 107784220

Division

n÷y
n÷2 10778422
n÷3 7185614.6666667
n÷3 5389211
n÷5 4311368.8

Exponentiation

ny
n2 464697523240336
n3 1.0017412015678E+22
n4 2.159437881057E+29
n5 4.6550665529637E+36

Nth Root

y√n
2√n 4642.9348477014
3√n 278.3097319042
4√n 68.139084582209
5√n 29.28984246066

Divisors of 21556844

1, 2, 4, 239, 478, 956, 22549, 45098, 90196, 5389211, 10778422, 21556844

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21556843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21556844 can be divided by 12 positive divisors. The sum of these divisors (counting 21556844) is 1, the average is 0.083333333333333.

Base conversion 21556844

Base System Value
2 Binary 1010010001110111001101100
3 Ternary 1111120012102122
4 Quaternary 1102032321230
5 Quinary 21004304334
6 Senary 2050012112
8 Octal 122167154
10 Decimal 21556844
12 Duodecimal 7277038
16 Hexadecimal 148ee6c
20 Vigesimal 6eec24
36 Base36 cu1d8

Cryptographic Hash Functions

md5 9815acf283aa0bfb033ebc966fe71ea6
sha1 cfd0caf62058eaa75e171f14bb8ba5a7292c8f9d
sha256 11c8d65c6094c7f7e1dcdcfb155c1c229c75004bc2a4a315a8f458c57f8b0fc0
sha512 a15639bb501a100e92c2971b325a30e349b8724b875e55b9386d1d4ecd6aa6e8d7153098f559cdd919b81b729e761911a1c6009cbde6d9d8a7cec426096f7db6
ripemd-160 a7848aac49ef7361e98a9b785a00222412afd03c

21556844 as geometric shapes

Circle

Radius = n
Diameter 43113688
Circumference 135445645.48996
Area 1.4598903251532E+15

Sphere

Radius = n
Volume 4.1960837328583E+22
Surface area 5.8395613006128E+15
Circumference 135445645.48996

Square

Length = n
Perimeter 86227376
Area 464697523240336
Diagonal 30485981.146761

Cube

Length = n
Surface area 2788185139442016
Volume 1.0017412015678E+22
Space diagonal 37337549.058836

Equilateral Triangle

Length = n
Perimeter 64670532
Area 2.0121993010092E+14
Altitude 18668774.529418

Triangular Pyramid

Length = n
Surface area 2.0121993010092E+14
Volume 1.1805633277043E+21
Height 10161993.715587