21231621 (number)

21231621 is an odd 8-digits composite number following 21231620 and preceding 21231622. In scientific notation, it is written as 2.1231621 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 13697640 positive integers (up to 21231621) that are relatively prime to 21231621.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1231621 × 10^7
Engineering notation 2.1231621 × 10^6

Prime Factorization of 21231621

Prime Factorization 9 × 31 × 76099

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21231621
Product of the distinct prime numbers

The prime factorization of 21231621 is 9 × 31 × 76099. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21231621)

Multiplication

n×y
n×2 42463242
n×3 63694863
n×4 84926484
n×5 106158105

Division

n÷y
n÷2 10615810.5
n÷3 7077207
n÷3 5307905.25
n÷5 4246324.2

Exponentiation

ny
n2 450781730287641
n3 9.5708268511914E+21
n4 2.0320416836112E+29
n5 4.3143538882635E+36

Nth Root

y√n
2√n 4607.77831498
3√n 276.90303617434
4√n 67.880618109885
5√n 29.200926464175

Divisors of 21231621

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21231620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21231621 can be divided by 8 positive divisors. The sum of these divisors (counting 21231621) is 1, the average is 0.125.

Base conversion 21231621

Base System Value
2 Binary 1010000111111100000000101
3 Ternary 1110221200022100
4 Quaternary 1100333200011
5 Quinary 20413402441
6 Senary 2035022313
8 Octal 120774005
10 Decimal 21231621
12 Duodecimal 713a999
16 Hexadecimal 143f805
20 Vigesimal 6cdj11
36 Base36 cn2f9

Cryptographic Hash Functions

md5 2f85bc30a5f424c8d05d2d351412b229
sha1 b85922acc215c0c4007dcabdb8c270d205164632
sha256 ea8cc75248d355aaa4c19cc83e083f89fc300b1b3ae6493df796d782f0fb7412
sha512 96b7f4e1e444650e878128d16d80f524f3d72a5be5efc9fb1f455c1d74336ca2f4948f415c3de87566f6f02865d8979bbb5a1307055b2ba3e586d9adfe84ca29
ripemd-160 c0b984e8791d757ab1630bda46fe3d8ffb24fe14

21231621 as geometric shapes

Circle

Radius = n
Diameter 42463242
Circumference 133402209.11481
Area 1.4161725722441E+15

Sphere

Radius = n
Volume 4.0090185765977E+22
Surface area 5.6646902889766E+15
Circumference 133402209.11481

Square

Length = n
Perimeter 84926484
Area 450781730287641
Diagonal 30026046.369365

Cube

Length = n
Surface area 2704690381725846
Volume 9.5708268511914E+21
Space diagonal 36774246.299046

Equilateral Triangle

Length = n
Perimeter 63694863
Area 1.951942149955E+14
Altitude 18387123.149523

Triangular Pyramid

Length = n
Surface area 1.951942149955E+14
Volume 1.12793276134E+21
Height 10008682.123122