21231213 (number)

21231213 is an odd 8-digits composite number following 21231212 and preceding 21231214. In scientific notation, it is written as 2.1231213 × 10^7. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 14154140 positive integers (up to 21231213) that are relatively prime to 21231213.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-one thousand two hundred thirteen

Notation

Scientific notation 2.1231213 × 10^7
Engineering notation 2.1231213 × 10^6

Prime Factorization of 21231213

Prime Factorization 3 × 7077071

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21231213
Product of the distinct prime numbers

The prime factorization of 21231213 is 3 × 7077071. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21231213)

Multiplication

n×y
n×2 42462426
n×3 63693639
n×4 84924852
n×5 106156065

Division

n÷y
n÷2 10615606.5
n÷3 7077071
n÷3 5307803.25
n÷5 4246242.6

Exponentiation

ny
n2 450764405451369
n3 9.5702751049564E+21
n4 2.0318854922193E+29
n5 4.3139393676917E+36

Nth Root

y√n
2√n 4607.7340418041
3√n 276.90126244947
4√n 67.880291998518
5√n 29.200814234689

Divisors of 21231213

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 -21231212
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 21231213 can be divided by 4 positive divisors. The sum of these divisors (counting 21231213) is 1, the average is 0.25.

Base conversion 21231213

Base System Value
2 Binary 1010000111111011001101101
3 Ternary 1110221122202020
4 Quaternary 1100333121231
5 Quinary 20413344323
6 Senary 2035020353
8 Octal 120773155
10 Decimal 21231213
12 Duodecimal 713a6b9
16 Hexadecimal 143f66d
20 Vigesimal 6cdi0d
36 Base36 cn23x

Cryptographic Hash Functions

md5 7ab69eed34767bc8a886476f41ad906d
sha1 2b9b0425756f092115418341580c51254d58065a
sha256 045a6b85c1f90b5a89e47f6c22f58408b83940e1c9f589a0eeb5e83fa3a74212
sha512 a06d916bd38c20ce72780e443b6649dbf5cc1f8e7a8df5ac0b066c54b23a631e4cbc72bb22b4cb1abe868750999a61a64bd485ea4310be30097358aa8a644d4c
ripemd-160 a09f733a38f6f8a5ccf6b79c06381cbcbc9007ed

21231213 as geometric shapes

Circle

Radius = n
Diameter 42462426
Circumference 133399645.5752
Area 1.4161181446658E+15

Sphere

Radius = n
Volume 4.0087874616752E+22
Surface area 5.6644725786632E+15
Circumference 133399645.5752

Square

Length = n
Perimeter 84924852
Area 450764405451369
Diagonal 30025469.370232

Cube

Length = n
Surface area 2704586432708214
Volume 9.5702751049564E+21
Space diagonal 36773539.622317

Equilateral Triangle

Length = n
Perimeter 63693639
Area 1.9518671312134E+14
Altitude 18386769.811158

Triangular Pyramid

Length = n
Surface area 1.9518671312134E+14
Volume 1.1278677374226E+21
Height 10008489.790077