21031631 (number)

21031631 is an odd 8-digits composite number following 21031630 and preceding 21031632. In scientific notation, it is written as 2.1031631 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 21008064 positive integers (up to 21031631) that are relatively prime to 21031631.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand six hundred thirty-one

Notation

Scientific notation 2.1031631 × 10^7
Engineering notation 2.1031631 × 10^6

Prime Factorization of 21031631

Prime Factorization 929 × 22639

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031631
Product of the distinct prime numbers

The prime factorization of 21031631 is 929 × 22639. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031631)

Multiplication

n×y
n×2 42063262
n×3 63094893
n×4 84126524
n×5 105158155

Division

n÷y
n÷2 10515815.5
n÷3 7010543.6666667
n÷3 5257907.75
n÷5 4206326.2

Exponentiation

ny
n2 442329502520161
n3 9.3029108774176E+21
n4 1.9565538879973E+29
n5 4.1149519403975E+36

Nth Root

y√n
2√n 4586.025621385
3√n 276.03086803815
4√n 67.720200984529
5√n 29.145706734345

Divisors of 21031631

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 -21031630
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 21031631 can be divided by 4 positive divisors. The sum of these divisors (counting 21031631) is 1, the average is 0.25.

Base conversion 21031631

Base System Value
2 Binary 1010000001110101011001111
3 Ternary 1110120111222022
4 Quaternary 1100032223033
5 Quinary 20341003011
6 Senary 2030440355
8 Octal 120165317
10 Decimal 21031631
12 Duodecimal 70630bb
16 Hexadecimal 140eacf
20 Vigesimal 6b8j1b
36 Base36 cis3z

Cryptographic Hash Functions

md5 2054941e3ca0ea6812575d687318f7fc
sha1 24b2d27fb962105a69f54bb62469a9be84313195
sha256 06d23c9a31b72a944a67e1b88f3cc36ffb63f99b1ad23d8a1c2d181f860aa391
sha512 6a29874b1e14f6ab8f1578129c94a4f9ca1fb57d37aa39c045cf60a477331010defc698b5269eca0153cb6596a6eb8c4860f3d231fc2aa36e16193738b2c2795
ripemd-160 0a374fd82c9a051ffd87fcb99187796e6f4cb4dc

21031631 as geometric shapes

Circle

Radius = n
Diameter 42063262
Circumference 132145634.88522
Area 1.3896191155834E+15

Sphere

Radius = n
Volume 3.8967941959328E+22
Surface area 5.5584764623335E+15
Circumference 132145634.88522

Square

Length = n
Perimeter 84126524
Area 442329502520161
Diagonal 29743217.799026

Cube

Length = n
Surface area 2653977015120966
Volume 9.3029108774176E+21
Space diagonal 36427853.458041

Equilateral Triangle

Length = n
Perimeter 63094893
Area 1.915342930129E+14
Altitude 18213926.72902

Triangular Pyramid

Length = n
Surface area 1.915342930129E+14
Volume 1.0963585610327E+21
Height 9914405.9330088