21557771 (number)

21557771 is an odd 8-digits composite number following 21557770 and preceding 21557772. In scientific notation, it is written as 2.1557771 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 21507552 positive integers (up to 21557771) that are relatively prime to 21557771.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-seven thousand seven hundred seventy-one

Notation

Scientific notation 2.1557771 × 10^7
Engineering notation 2.1557771 × 10^6

Prime Factorization of 21557771

Prime Factorization 433 × 49787

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21557771
Product of the distinct prime numbers

The prime factorization of 21557771 is 433 × 49787. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21557771)

Multiplication

n×y
n×2 43115542
n×3 64673313
n×4 86231084
n×5 107788855

Division

n÷y
n÷2 10778885.5
n÷3 7185923.6666667
n÷3 5389442.75
n÷5 4311554.2

Exponentiation

ny
n2 464737490488441
n3 1.0018704395064E+22
n4 2.1598093506549E+29
n5 4.6560675385078E+36

Nth Root

y√n
2√n 4643.0346757266
3√n 278.31372119292
4√n 68.139817109577
5√n 29.29009436411

Divisors of 21557771

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 -21557770
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 21557771 can be divided by 4 positive divisors. The sum of these divisors (counting 21557771) is 1, the average is 0.25.

Base conversion 21557771

Base System Value
2 Binary 1010010001111001000001011
3 Ternary 1111120020200222
4 Quaternary 1102033020023
5 Quinary 21004322041
6 Senary 2050020255
8 Octal 122171013
10 Decimal 21557771
12 Duodecimal 727768b
16 Hexadecimal 148f20b
20 Vigesimal 6eee8b
36 Base36 cu22z

Cryptographic Hash Functions

md5 32bf64a5a452006d27def7229957caa7
sha1 1a566266f02f13ca6bd0aa4f22e1fd91569bba1b
sha256 58cd8a9cea7e40e119c14758c73ee0f146d93911acf21b55b4e70a67c614b667
sha512 2c4004624f9fdfe6998ad18112001baf44ed305fd6b3bcb1f706241da85d5abb1e46b359e991d341d5062ce1307395074295d1878310bb32c62db327e19e0b87
ripemd-160 2dde931601b92c5b51c6ed75dab6225e5bad97f1

21557771 as geometric shapes

Circle

Radius = n
Diameter 43115542
Circumference 135451470.00274
Area 1.4600158859662E+15

Sphere

Radius = n
Volume 4.1966250834696E+22
Surface area 5.840063543865E+15
Circumference 135451470.00274

Square

Length = n
Perimeter 86231084
Area 464737490488441
Diagonal 30487292.122733

Cube

Length = n
Surface area 2788424942930646
Volume 1.0018704395064E+22
Space diagonal 37339154.669935

Equilateral Triangle

Length = n
Perimeter 64673313
Area 2.0123723642701E+14
Altitude 18669577.334967

Triangular Pyramid

Length = n
Surface area 2.0123723642701E+14
Volume 1.1807156360756E+21
Height 10162430.707578