21221427 (number)

21221427 is an odd 8-digits composite number following 21221426 and preceding 21221428. In scientific notation, it is written as 2.1221427 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13988480 positive integers (up to 21221427) that are relatively prime to 21221427.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred twenty-one thousand four hundred twenty-seven

Notation

Scientific notation 2.1221427 × 10^7
Engineering notation 2.1221427 × 10^6

Prime Factorization of 21221427

Prime Factorization 3 × 89 × 79481

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21221427
Product of the distinct prime numbers

The prime factorization of 21221427 is 3 × 89 × 79481. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 68, 6, 138, 302, 5948, 2859, 39640, 33095, 287395, 936745, 5436882, 9954376, 55451837, 89771854, 458653148, 440314581, 311616824, 3768578872

Basic calculations (n = 21221427)

Multiplication

n×y
n×2 42442854
n×3 63664281
n×4 84885708
n×5 106107135

Division

n÷y
n÷2 10610713.5
n÷3 7073809
n÷3 5305356.75
n÷5 4244285.4

Exponentiation

ny
n2 450348963916329
n3 9.557047662276E+21
n4 2.0281418930051E+29
n5 4.304006512805E+36

Nth Root

y√n
2√n 4606.6720091624
3√n 276.85871232618
4√n 67.872468712744
5√n 29.198121860323

Divisors of 21221427

1, 3, 89, 267, 79481, 238443, 7073809, 21221427

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 -21221426
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 21221427 can be divided by 8 positive divisors. The sum of these divisors (counting 21221427) is 1, the average is 0.125.

Base conversion 21221427

Base System Value
2 Binary 1010000111101000000110011
3 Ternary 1110221011022210
4 Quaternary 1100331000303
5 Quinary 20413041202
6 Senary 2034503203
8 Octal 120750063
10 Decimal 21221427
12 Duodecimal 7134b03
16 Hexadecimal 143d033
20 Vigesimal 6ccdb7
36 Base36 cmuk3

Cryptographic Hash Functions

md5 cbdf95d7454775f92977d5d567a96a03
sha1 5f9f767ff7f3e5a5103a0ea30790658fd9a883e9
sha256 a4769c97519c7419ca6c9b320f59c9f254c19c09e64a33bf69a247e8c6ce78bd
sha512 08e4dd992b4bf3845668e936108e1dd445182ae1bb67489ea677544627ab533ea8c5bbabc6ed10451db63a0cd5722d401c09ef67f922140e24b4a30c2c84099f
ripemd-160 ee8895b9deb99da6a23b77489922778f38ccf110

21221427 as geometric shapes

Circle

Radius = n
Diameter 42442854
Circumference 133338158.32378
Area 1.4148129965913E+15

Sphere

Radius = n
Volume 4.0032467634418E+22
Surface area 5.6592519863653E+15
Circumference 133338158.32378

Square

Length = n
Perimeter 84885708
Area 450348963916329
Diagonal 30011629.876311

Cube

Length = n
Surface area 2702093783497974
Volume 9.557047662276E+21
Space diagonal 36756589.773114

Equilateral Triangle

Length = n
Perimeter 63664281
Area 1.9500682165977E+14
Altitude 18378294.886557

Triangular Pyramid

Length = n
Surface area 1.9500682165977E+14
Volume 1.1263088683531E+21
Height 10003876.625437