21921520 (number)

21921520 is an even 8-digits composite number following 21921519 and preceding 21921521. In scientific notation, it is written as 2.1921520 × 10^7. The sum of its digits is 22. It has a total of 6 prime factors and 20 positive divisors. There are 8768576 positive integers (up to 21921520) that are relatively prime to 21921520.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred twenty-one thousand five hundred twenty

Notation

Scientific notation 2.1921520 × 10^7
Engineering notation 2.1921520 × 10^6

Prime Factorization of 21921520

Prime Factorization 2 × 2 × 2 × 2 × 5 × 274019

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2740190
Product of the distinct prime numbers

The prime factorization of 21921520 is 2 × 2 × 2 × 2 × 5 × 274019. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 8, 95, 29, 995, 187, 7014, 7904, 18869, 87260, 704188, 940748, 5661642, 3031771, 18562905, 79155770, 693234665, 436609103, 1982828394, 1512727402

Basic calculations (n = 21921520)

Multiplication

n×y
n×2 43843040
n×3 65764560
n×4 87686080
n×5 109607600

Division

n÷y
n÷2 10960760
n÷3 7307173.3333333
n÷3 5480380
n÷5 4384304

Exponentiation

ny
n2 480553039110400
n3 1.0534453057919E+22
n4 2.3093122339824E+29
n5 5.062363432349E+36

Nth Root

y√n
2√n 4682.0422894288
3√n 279.87034813823
4√n 68.425450597193
5√n 29.388277552841

Divisors of 21921520

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 274019, 548038, 1096076, 1370095, 2192152, 2740190, 4384304, 5480380, 10960760, 21921520

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21921519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21921520 can be divided by 20 positive divisors. The sum of these divisors (counting 21921520) is 1, the average is 0.05.

Base conversion 21921520

Base System Value
2 Binary 1010011100111111011110000
3 Ternary 1112020201200011
4 Quaternary 1103213323300
5 Quinary 21102442040
6 Senary 2101504304
8 Octal 123477360
10 Decimal 21921520
12 Duodecimal 7412094
16 Hexadecimal 14e7ef0
20 Vigesimal 6h03g0
36 Base36 d1ur4

Cryptographic Hash Functions

md5 aff75fe46a27efd4deeb1b05d097d7d5
sha1 6b4074f190793a18a538dc29659c93dff6eae114
sha256 30d2f17fc187c408abe950b8736e7e7748b684b646f7182ace7d5a095dd1a7ea
sha512 e4c2f8005a07f0b951657078581c6e648d30cb2ffb16996d671a3f317ed1e031fc2d59e7f9abf7e613fb8b17565758be43ec5e1b9e39b2b4cdc3d832a19a37a9
ripemd-160 3ad7eb9dea6fa52ed374ff7fdbe1315487b8d4cb

21921520 as geometric shapes

Circle

Radius = n
Diameter 43843040
Circumference 137736972.37504
Area 1.5097018973295E+15

Sphere

Radius = n
Volume 4.4126613781795E+22
Surface area 6.0388075893179E+15
Circumference 137736972.37504

Square

Length = n
Perimeter 87686080
Area 480553039110400
Diagonal 31001710.891833

Cube

Length = n
Surface area 2883318234662400
Volume 1.0534453057919E+22
Space diagonal 37969186.419137

Equilateral Triangle

Length = n
Perimeter 65764560
Area 2.0808556986771E+14
Altitude 18984593.209569

Triangular Pyramid

Length = n
Surface area 2.0808556986771E+14
Volume 1.241497198891E+21
Height 10333903.630611