21551664 (number)

21551664 is an even 8-digits composite number following 21551663 and preceding 21551665. In scientific notation, it is written as 2.1551664 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors. There are 7183872 positive integers (up to 21551664) that are relatively prime to 21551664.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1551664 × 10^7
Engineering notation 2.1551664 × 10^6

Prime Factorization of 21551664

Prime Factorization 2 × 2 × 2 × 2 × 3 × 448993

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2693958
Product of the distinct prime numbers

The prime factorization of 21551664 is 2 × 2 × 2 × 2 × 3 × 448993. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 7, 10, 83, 980, 853, 5854, 6280, 90989, 47512, 487233, 79818, 5149557, 6870407, 16940314, 4434129, 979488147, 861975651, 9824699726, 6342862562

Basic calculations (n = 21551664)

Multiplication

n×y
n×2 43103328
n×3 64654992
n×4 86206656
n×5 107758320

Division

n÷y
n÷2 10775832
n÷3 7183888
n÷3 5387916
n÷5 4310332.8

Exponentiation

ny
n2 464474221168896
n3 1.0010192351294E+22
n4 2.1573630213045E+29
n5 4.649476296118E+36

Nth Root

y√n
2√n 4642.3769773684
3√n 278.2874379806
4√n 68.134990844414
5√n 29.288434685299

Divisors of 21551664

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 448993, 897986, 1346979, 1795972, 2693958, 3591944, 5387916, 7183888, 10775832, 21551664

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551663
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551664 can be divided by 20 positive divisors. The sum of these divisors (counting 21551664) is 1, the average is 0.05.

Base conversion 21551664

Base System Value
2 Binary 1010010001101101000110000
3 Ternary 1111112221022210
4 Quaternary 1102031220300
5 Quinary 21004123124
6 Senary 2045532120
8 Octal 122155060
10 Decimal 21551664
12 Duodecimal 7274040
16 Hexadecimal 148da30
20 Vigesimal 6edj34
36 Base36 ctxdc

Cryptographic Hash Functions

md5 4a9539a348f908f771435c786a375c4e
sha1 798b3bfee8ef95f4f681a84c9f6b3ce9d4f3c834
sha256 24ff3d8b260bf2f5257d0b19a7014ae2038b7371541b79096b4ed31722c515a9
sha512 8ecbca1eb7d7701433693273965a20eefa82113a9fa0689442671c79e1f741c87219e594ca32f9821c021026b093414bcfdb751f1cbc1a487b8f3a51c6f54839
ripemd-160 97c119df4ec5c561bc20bdffca2cad45f00f9b55

21551664 as geometric shapes

Circle

Radius = n
Diameter 43103328
Circumference 135413098.59007
Area 1.459188801006E+15

Sphere

Radius = n
Volume 4.1930595669127E+22
Surface area 5.8367552040242E+15
Circumference 135413098.59007

Square

Length = n
Perimeter 86206656
Area 464474221168896
Diagonal 30478655.520508

Cube

Length = n
Surface area 2786845327013376
Volume 1.0010192351294E+22
Space diagonal 37328577.035653

Equilateral Triangle

Length = n
Perimeter 64654992
Area 2.0112323746763E+14
Altitude 18664288.517827

Triangular Pyramid

Length = n
Surface area 2.0112323746763E+14
Volume 1.1797124820969E+21
Height 10159551.840169