21921646 (number)

21921646 is an even 8-digits composite number following 21921645 and preceding 21921647. In scientific notation, it is written as 2.1921646 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 10616800 positive integers (up to 21921646) that are relatively prime to 21921646.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1921646 × 10^7
Engineering notation 2.1921646 × 10^6

Prime Factorization of 21921646

Prime Factorization 2 × 47 × 101 × 2309

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21921646
Product of the distinct prime numbers

The prime factorization of 21921646 is 2 × 47 × 101 × 2309. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 11, 31, 590, 909, 2919, 9415, 70284, 4302, 243410, 322319, 3144961, 5487410, 52200361, 31200356, 292267891, 470287018, 3505901125, 1794157131

Basic calculations (n = 21921646)

Multiplication

n×y
n×2 43843292
n×3 65764938
n×4 87686584
n×5 109608230

Division

n÷y
n÷2 10960823
n÷3 7307215.3333333
n÷3 5480411.5
n÷5 4384329.2

Exponentiation

ny
n2 480558563349316
n3 1.0534634708012E+22
n4 2.3093653280836E+29
n5 5.0625089206922E+36

Nth Root

y√n
2√n 4682.0557450761
3√n 279.87088434795
4√n 68.425548920532
5√n 29.388311336214

Divisors of 21921646

1, 2, 47, 94, 101, 202, 2309, 4618, 4747, 9494, 108523, 217046, 233209, 466418, 10960823, 21921646

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21921645
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21921646 can be divided by 16 positive divisors. The sum of these divisors (counting 21921646) is 1, the average is 0.0625.

Base conversion 21921646

Base System Value
2 Binary 1010011100111111101101110
3 Ternary 1112020201211211
4 Quaternary 1103213331232
5 Quinary 21102443041
6 Senary 2101505034
8 Octal 123477556
10 Decimal 21921646
12 Duodecimal 741217a
16 Hexadecimal 14e7f6e
20 Vigesimal 6h0426
36 Base36 d1uum

Cryptographic Hash Functions

md5 1c68a5bdaa4a80d0442e5ba858c17cae
sha1 a553ac06ab6037bc24290073c274a2ab560875a2
sha256 42c1ac281385da74df3bf3930b689641190739f8d8f09f2debd0806485539318
sha512 68e78fa429a903d9dbefa98ca88f3b9e0b14e1931bb0c5608d9c5f813b86244f098256f20903b3958b1ae3dc4cf2db85d1cb3a98a1d514f3888367f451303cf6
ripemd-160 faa4e2a66eedb21663b9907d6015b82c59862b44

21921646 as geometric shapes

Circle

Radius = n
Diameter 43843292
Circumference 137737764.05639
Area 1.5097192522379E+15

Sphere

Radius = n
Volume 4.4127374675925E+22
Surface area 6.0388770089515E+15
Circumference 137737764.05639

Square

Length = n
Perimeter 87686584
Area 480558563349316
Diagonal 31001889.082742

Cube

Length = n
Surface area 2883351380095896
Volume 1.0534634708012E+22
Space diagonal 37969404.657539

Equilateral Triangle

Length = n
Perimeter 65764938
Area 2.0808796193333E+14
Altitude 18984702.32877

Triangular Pyramid

Length = n
Surface area 2.0808796193333E+14
Volume 1.2415186065598E+21
Height 10333963.027581