21106455 (number)

21106455 is an odd 8-digits composite number following 21106454 and preceding 21106456. In scientific notation, it is written as 2.1106455 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 10907520 positive integers (up to 21106455) that are relatively prime to 21106455.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1106455 × 10^7
Engineering notation 2.1106455 × 10^6

Prime Factorization of 21106455

Prime Factorization 15 × 53 × 191 × 139

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21106455
Product of the distinct prime numbers

The prime factorization of 21106455 is 15 × 53 × 191 × 139. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 15, 32, 442, 536, 5045, 3207, 42384, 22215, 737109, 323708, 3755116, 2044690, 16001474, 51740971, 334923369, 149793622, 6345152662, 9902866231

Basic calculations (n = 21106455)

Multiplication

n×y
n×2 42212910
n×3 63319365
n×4 84425820
n×5 105532275

Division

n÷y
n÷2 10553227.5
n÷3 7035485
n÷3 5276613.75
n÷5 4221291

Exponentiation

ny
n2 445482442667025
n3 9.4025551294416E+21
n4 1.9845460672458E+29
n5 4.188673226375E+36

Nth Root

y√n
2√n 4594.1762047183
3√n 276.35782459199
4√n 67.780352645279
5√n 29.166415556481

Divisors of 21106455

1, 15, 53, 139, 191, 795, 2085, 2865, 7367, 10123, 26549, 110505, 151845, 398235, 1407097, 21106455

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 -21106454
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 21106455 can be divided by 16 positive divisors. The sum of these divisors (counting 21106455) is 1, the average is 0.0625.

Base conversion 21106455

Base System Value
2 Binary 1010000100000111100010111
3 Ternary 1110201022121120
4 Quaternary 1100200330113
5 Quinary 20400401310
6 Senary 2032215023
8 Octal 120407427
10 Decimal 21106455
12 Duodecimal 709a473
16 Hexadecimal 1420f17
20 Vigesimal 6bi62f
36 Base36 ckduf

Cryptographic Hash Functions

md5 b99cbc81442c32fb3e093f4fb221e46f
sha1 da5314b6726067116986347b129073ba87d7efd1
sha256 1750e33531ec0fadb7d0988d751272904d4fb803c1c8845c3ec625c766ea3dd9
sha512 a584c2968317fd53bde2a2777d60e9186327a5af4fb0a020c71ed5915eb97271ec4334f068f779a46194bad5d9aff4128fd26661fd754d2db9656b5d11bc3003
ripemd-160 35d12301ca733e6c5e21a89b8c7bc081754e3552

21106455 as geometric shapes

Circle

Radius = n
Diameter 42212910
Circumference 132615767.94265
Area 1.399524369186E+15

Sphere

Radius = n
Volume 3.9385330826169E+22
Surface area 5.5980974767438E+15
Circumference 132615767.94265

Square

Length = n
Perimeter 84425820
Area 445482442667025
Diagonal 29849034.914617

Cube

Length = n
Surface area 2672894656002150
Volume 9.4025551294416E+21
Space diagonal 36557452.427666

Equilateral Triangle

Length = n
Perimeter 63319365
Area 1.9289955614479E+14
Altitude 18278726.213833

Triangular Pyramid

Length = n
Surface area 1.9289955614479E+14
Volume 1.1081017487514E+21
Height 9949678.3048725