21049655 (number)

21049655 is an odd 8-digits composite number following 21049654 and preceding 21049656. In scientific notation, it is written as 2.1049655 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 14072320 positive integers (up to 21049655) that are relatively prime to 21049655.

Interesting facts

Basic properties

Name

Name twenty-one million forty-nine thousand six hundred fifty-five

Notation

Scientific notation 2.1049655 × 10^7
Engineering notation 2.1049655 × 10^6

Prime Factorization of 21049655

Prime Factorization 55 × 47 × 17 × 479

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21049655
Product of the distinct prime numbers

The prime factorization of 21049655 is 55 × 47 × 17 × 479. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21049655)

Multiplication

n×y
n×2 42099310
n×3 63148965
n×4 84198620
n×5 105248275

Division

n÷y
n÷2 10524827.5
n÷3 7016551.6666667
n÷3 5262413.75
n÷5 4209931

Exponentiation

ny
n2 443087975619025
n3 9.3268490214289E+21
n4 1.9632695413817E+29
n5 4.1326146518092E+36

Nth Root

y√n
2√n 4587.9903007744
3√n 276.10969787002
4√n 67.734705290378
5√n 29.150700567029

Divisors of 21049655

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21049654
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21049655 can be divided by 16 positive divisors. The sum of these divisors (counting 21049655) is 1, the average is 0.0625.

Base conversion 21049655

Base System Value
2 Binary 1010000010011000100110111
3 Ternary 1110121102200212
4 Quaternary 1100103010313
5 Quinary 20342042110
6 Senary 2031100035
8 Octal 120230467
10 Decimal 21049655
12 Duodecimal 707161b
16 Hexadecimal 1413137
20 Vigesimal 6bb42f
36 Base36 cj60n

Cryptographic Hash Functions

md5 1b2f865a23db3918a12cbad325deae83
sha1 a7716edb47dbd03f65914055e2935116f363bcdc
sha256 616bd75d92bd504431406b848473b69de4769d459ca7295807089740f18a793e
sha512 fe79f2d7f5d91bc5a8d3b466088ae7a9c53e5d3701750011d6bd6af0583e326c1df5a56f6d2b43d7c34b60f996945a7b1909834a0b1f00c6fc68a776a1451b3c
ripemd-160 ebf5875044cf07cce7f29e3f370516a8a867b39b

21049655 as geometric shapes

Circle

Radius = n
Diameter 42099310
Circumference 132258883.0172
Area 1.3920019290987E+15

Sphere

Radius = n
Volume 3.9068213822483E+22
Surface area 5.5680077163948E+15
Circumference 132258883.0172

Square

Length = n
Perimeter 84198620
Area 443087975619025
Diagonal 29768707.584275

Cube

Length = n
Surface area 2658527853714150
Volume 9.3268490214289E+21
Space diagonal 36459071.941796

Equilateral Triangle

Length = n
Perimeter 63148965
Area 1.9186272149875E+14
Altitude 18229535.970898

Triangular Pyramid

Length = n
Surface area 1.9186272149875E+14
Volume 1.0991796983592E+21
Height 9922902.5280915