21053387 (number)

21053387 is an odd 8-digits composite number following 21053386 and preceding 21053388. In scientific notation, it is written as 2.1053387 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 19945296 positive integers (up to 21053387) that are relatively prime to 21053387.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-three thousand three hundred eighty-seven

Notation

Scientific notation 2.1053387 × 10^7
Engineering notation 2.1053387 × 10^6

Prime Factorization of 21053387

Prime Factorization 19 × 1108073

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21053387
Product of the distinct prime numbers

The prime factorization of 21053387 is 19 × 1108073. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21053387)

Multiplication

n×y
n×2 42106774
n×3 63160161
n×4 84213548
n×5 105266935

Division

n÷y
n÷2 10526693.5
n÷3 7017795.6666667
n÷3 5263346.75
n÷5 4210677.4

Exponentiation

ny
n2 443245104171769
n3 9.3318107139836E+21
n4 1.9646622237224E+29
n5 4.1362794120309E+36

Nth Root

y√n
2√n 4588.3969967735
3√n 276.12601453493
4√n 67.737707348075
5√n 29.151734148815

Divisors of 21053387

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 -21053386
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 21053387 can be divided by 4 positive divisors. The sum of these divisors (counting 21053387) is 1, the average is 0.25.

Base conversion 21053387

Base System Value
2 Binary 1010000010011111111001011
3 Ternary 1110121121211002
4 Quaternary 1100103333023
5 Quinary 20342202022
6 Senary 2031125215
8 Octal 120237713
10 Decimal 21053387
12 Duodecimal 707380b
16 Hexadecimal 1413fcb
20 Vigesimal 6bbd97
36 Base36 cj8wb

Cryptographic Hash Functions

md5 512a40abdac68a4d5a61aed101d7e814
sha1 81a8edf8ac1e67646de3961bd38f1f9a0ea9a21d
sha256 795ff62cc981de9f22c9c49ad2e7120f87123355b9a0b07eedb5ccc0a4699aa0
sha512 52102bcd43ca524c4d0baa6a07567ac43fae340726afee0d28a110a734e36a6cef8089d53be204cbb7b1f7558ff3a111c6ee06a4e6af532de32693c418476392
ripemd-160 0861144e9095f2780d6c97560f1749ce78ab56d6

21053387 as geometric shapes

Circle

Radius = n
Diameter 42106774
Circumference 132282331.86477
Area 1.3924955630057E+15

Sphere

Radius = n
Volume 3.9088997311655E+22
Surface area 5.5699822520227E+15
Circumference 132282331.86477

Square

Length = n
Perimeter 84213548
Area 443245104171769
Diagonal 29773985.429289

Cube

Length = n
Surface area 2659470625030614
Volume 9.3318107139836E+21
Space diagonal 36465535.95541

Equilateral Triangle

Length = n
Perimeter 63160161
Area 1.9193076015792E+14
Altitude 18232767.977705

Triangular Pyramid

Length = n
Surface area 1.9193076015792E+14
Volume 1.0997644394345E+21
Height 9924661.8097631