21031571 (number)

21031571 is an odd 8-digits composite number following 21031570 and preceding 21031572. In scientific notation, it is written as 2.1031571 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 19119600 positive integers (up to 21031571) that are relatively prime to 21031571.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand five hundred seventy-one

Notation

Scientific notation 2.1031571 × 10^7
Engineering notation 2.1031571 × 10^6

Prime Factorization of 21031571

Prime Factorization 11 × 1911961

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031571
Product of the distinct prime numbers

The prime factorization of 21031571 is 11 × 1911961. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031571)

Multiplication

n×y
n×2 42063142
n×3 63094713
n×4 84126284
n×5 105157855

Division

n÷y
n÷2 10515785.5
n÷3 7010523.6666667
n÷3 5257892.75
n÷5 4206314.2

Exponentiation

ny
n2 442326978728041
n3 9.3028312583343E+21
n4 1.9565315611068E+29
n5 4.1148932441158E+36

Nth Root

y√n
2√n 4586.0190797684
3√n 276.03060554673
4√n 67.720152685655
5√n 29.145690104685

Divisors of 21031571

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 -21031570
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 21031571 can be divided by 4 positive divisors. The sum of these divisors (counting 21031571) is 1, the average is 0.25.

Base conversion 21031571

Base System Value
2 Binary 1010000001110101010010011
3 Ternary 1110120111220002
4 Quaternary 1100032222103
5 Quinary 20341002241
6 Senary 2030440215
8 Octal 120165223
10 Decimal 21031571
12 Duodecimal 706306b
16 Hexadecimal 140ea93
20 Vigesimal 6b8iib
36 Base36 cis2b

Cryptographic Hash Functions

md5 bee7eee92717131a3c390e0a335a3946
sha1 350926430bdee496963a84f3a3bf3e0bd3dc226f
sha256 09febb12a1e4398500dd71da6e432aeb5a310073f0b877fb39c724fc1043e7b3
sha512 842d5264be363c10636c3b7ebcb5dbc4211170b6d4fc70022617fd8574b7197677989fbe83952fe6d6860c94c1f8004d79b16c2e0b066d142fd7a26cd3ce4b77
ripemd-160 76ce24e5ea78682f806c95d4aa4911559d521665

21031571 as geometric shapes

Circle

Radius = n
Diameter 42063142
Circumference 132145257.8941
Area 1.3896111868566E+15

Sphere

Radius = n
Volume 3.8967608451691E+22
Surface area 5.5584447474263E+15
Circumference 132145257.8941

Square

Length = n
Perimeter 84126284
Area 442326978728041
Diagonal 29743132.946213

Cube

Length = n
Surface area 2653961872368246
Volume 9.3028312583343E+21
Space diagonal 36427749.534992

Equilateral Triangle

Length = n
Perimeter 63094713
Area 1.9153320017885E+14
Altitude 18213874.767496

Triangular Pyramid

Length = n
Surface area 1.9153320017885E+14
Volume 1.0963491778337E+21
Height 9914377.6487376