21921666 (number)

21921666 is an even 8-digits composite number following 21921665 and preceding 21921667. In scientific notation, it is written as 2.1921666 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 6741072 positive integers (up to 21921666) that are relatively prime to 21921666.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred twenty-one thousand six hundred sixty-six

Notation

Scientific notation 2.1921666 × 10^7
Engineering notation 2.1921666 × 10^6

Prime Factorization of 21921666

Prime Factorization 2 × 3 × 169 × 13 × 1663

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21921666
Product of the distinct prime numbers

The prime factorization of 21921666 is 2 × 3 × 169 × 13 × 1663. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 7, 12, 96, 478, 558, 5090, 2303, 18257, 96417, 33597, 142433, 7244863, 8564637, 14137181, 93032085, 583859938, 66523102, 2098479071, 870307080

Basic calculations (n = 21921666)

Multiplication

n×y
n×2 43843332
n×3 65764998
n×4 87686664
n×5 109608330

Division

n÷y
n÷2 10960833
n÷3 7307222
n÷3 5480416.5
n÷5 4384333.2

Exponentiation

ny
n2 480559440215556
n3 1.0534663541552E+22
n4 2.3093737558029E+29
n5 5.0625320143876E+36

Nth Root

y√n
2√n 4682.0578808896
3√n 279.87096946041
4√n 68.425564527372
5√n 29.38831669864

Divisors of 21921666

1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 1663, 2197, 3326, 4394, 4989, 6591, 9978, 13182, 21619, 43238, 64857, 129714, 281047, 562094, 843141, 1686282, 3653611, 7307222, 10960833, 21921666

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21921665
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21921666 can be divided by 32 positive divisors. The sum of these divisors (counting 21921666) is 1, the average is 0.03125.

Base conversion 21921666

Base System Value
2 Binary 1010011100111111110000010
3 Ternary 1112020201212120
4 Quaternary 1103213332002
5 Quinary 21102443131
6 Senary 2101505110
8 Octal 123477602
10 Decimal 21921666
12 Duodecimal 7412196
16 Hexadecimal 14e7f82
20 Vigesimal 6h0436
36 Base36 d1uv6

Cryptographic Hash Functions

md5 c7333b48bb68adfa5e3b16a36447f1ef
sha1 4415b040a76d48dd47c3eb9994487e7ddab4175f
sha256 939e3df6bc0367ade87995ceff5412835d8e1dc09da771feafce1a011eb4fc15
sha512 a67fcbf950c976959e1c15527bd580e7e98688d48ca978aebf6882262c0b8e9c041f506fead0c00a0851a63449e9cd0e0ec167e1dee3955a4e7f637b89d260f2
ripemd-160 8035637ad2c2e139821d4fc7e9f1e3d03f9cb08a

21921666 as geometric shapes

Circle

Radius = n
Diameter 43843332
Circumference 137737889.7201
Area 1.5097220069944E+15

Sphere

Radius = n
Volume 4.4127495453575E+22
Surface area 6.0388880279777E+15
Circumference 137737889.7201

Square

Length = n
Perimeter 87686664
Area 480559440215556
Diagonal 31001917.367013

Cube

Length = n
Surface area 2883356641293336
Volume 1.0534663541552E+22
Space diagonal 37969439.298555

Equilateral Triangle

Length = n
Perimeter 65764998
Area 2.0808834162755E+14
Altitude 18984719.649278

Triangular Pyramid

Length = n
Surface area 2.0808834162755E+14
Volume 1.2415220046251E+21
Height 10333972.455671