21557038 (number)

21557038 is an even 8-digits composite number following 21557037 and preceding 21557039. In scientific notation, it is written as 2.1557038 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 10778518 positive integers (up to 21557038) that are relatively prime to 21557038.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-seven thousand thirty-eight

Notation

Scientific notation 2.1557038 × 10^7
Engineering notation 2.1557038 × 10^6

Prime Factorization of 21557038

Prime Factorization 2 × 10778519

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21557038
Product of the distinct prime numbers

The prime factorization of 21557038 is 2 × 10778519. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21557038)

Multiplication

n×y
n×2 43114076
n×3 64671114
n×4 86228152
n×5 107785190

Division

n÷y
n÷2 10778519
n÷3 7185679.3333333
n÷3 5389259.5
n÷5 4311407.6

Exponentiation

ny
n2 464705887333444
n3 1.0017682472071E+22
n4 2.1595156172236E+29
n5 4.6552760222083E+36

Nth Root

y√n
2√n 4642.9557396124
3√n 278.31056678099
4√n 68.139237885468
5√n 29.289895179035

Divisors of 21557038

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 -21557037
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 21557038 can be divided by 4 positive divisors. The sum of these divisors (counting 21557038) is 1, the average is 0.25.

Base conversion 21557038

Base System Value
2 Binary 1010010001110111100101110
3 Ternary 1111120012200211
4 Quaternary 1102032330232
5 Quinary 21004311123
6 Senary 2050013034
8 Octal 122167456
10 Decimal 21557038
12 Duodecimal 727717a
16 Hexadecimal 148ef2e
20 Vigesimal 6eecbi
36 Base36 cu1im

Cryptographic Hash Functions

md5 c232d08b680c8183018dea789d0dbdae
sha1 796d905a35b9a1038144e9ca90fae54009c6102d
sha256 36f91a3edd2df414420331ec64398dffec90c2be615885a29ccc3b34273bb210
sha512 47d105e5809ee1a0aa09b93d0e5d08b941e0a75d7abcc11d82e5965b3828a159de45b34f10549070123a8c6b5e9ebfa562f9d7f8972c71fa459d300f3c20182d
ripemd-160 aa001ee2c149cd3788e51954effa93946ad39153

21557038 as geometric shapes

Circle

Radius = n
Diameter 43114076
Circumference 135446864.42791
Area 1.4599166017267E+15

Sphere

Radius = n
Volume 4.196197021367E+22
Surface area 5.8396664069067E+15
Circumference 135446864.42791

Square

Length = n
Perimeter 86228152
Area 464705887333444
Diagonal 30486255.504192

Cube

Length = n
Surface area 2788235324000664
Volume 1.0017682472071E+22
Space diagonal 37337885.076693

Equilateral Triangle

Length = n
Perimeter 64671114
Area 2.0122355185948E+14
Altitude 18668942.538346

Triangular Pyramid

Length = n
Surface area 2.0122355185948E+14
Volume 1.1805952012958E+21
Height 10162085.168064