21001520 (number)

21001520 is an even 8-digits composite number following 21001519 and preceding 21001521. In scientific notation, it is written as 2.1001520 × 10^7. The sum of its digits is 11. It has a total of 6 prime factors and 20 positive divisors. There are 8400576 positive integers (up to 21001520) that are relatively prime to 21001520.

Interesting facts

Basic properties

Name

Name twenty-one million one thousand five hundred twenty

Notation

Scientific notation 2.1001520 × 10^7
Engineering notation 2.1001520 × 10^6

Prime Factorization of 21001520

Prime Factorization 2 × 2 × 2 × 2 × 5 × 262519

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2625190
Product of the distinct prime numbers

The prime factorization of 21001520 is 2 × 2 × 2 × 2 × 5 × 262519. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 7, 1, 69, 564, 92, 7042, 3510, 12460, 83726, 595630, 653925, 6654555, 5402422, 35341864, 44339992, 811700194, 587878871, 3063711070, 106898469

Basic calculations (n = 21001520)

Multiplication

n×y
n×2 42003040
n×3 63004560
n×4 84006080
n×5 105007600

Division

n÷y
n÷2 10500760
n÷3 7000506.6666667
n÷3 5250380
n÷5 4200304

Exponentiation

ny
n2 441063842310400
n3 9.2630111055587E+21
n4 1.9453731299361E+29
n5 4.0855792695816E+36

Nth Root

y√n
2√n 4582.7415375515
3√n 275.8990739295
4√n 67.69594919603
5√n 29.137356365366

Divisors of 21001520

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 262519, 525038, 1050076, 1312595, 2100152, 2625190, 4200304, 5250380, 10500760, 21001520

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 -21001519
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 21001520 can be divided by 20 positive divisors. The sum of these divisors (counting 21001520) is 1, the average is 0.05.

Base conversion 21001520

Base System Value
2 Binary 1010000000111010100110000
3 Ternary 1110111222200002
4 Quaternary 1100013110300
5 Quinary 20334022040
6 Senary 2030045132
8 Octal 120072460
10 Decimal 21001520
12 Duodecimal 70497a8
16 Hexadecimal 1407530
20 Vigesimal 6b53g0
36 Base36 ci4vk

Cryptographic Hash Functions

md5 1e7dcbd41d586672cb95b2fce93deeb1
sha1 77c964e82787e15ada896e2ff7f451b0d2e9a770
sha256 ab08eb2c6b7a800e0ab0d3dbd3460af9a1d8983e2fec9f9f98853def5431708d
sha512 cf47a19b751958d160efbfe75bd592234e43ce366da4900f539bb70419532e265212b39e4633f2361fbf81f12274cc5f13e0ae540db72bb03b8fad63ca291052
ripemd-160 d38a79daefe0c49ed50108ea0b272353a2533372

21001520 as geometric shapes

Circle

Radius = n
Diameter 42003040
Circumference 131956441.89244
Area 1.3856429267664E+15

Sphere

Radius = n
Volume 3.8800810185792E+22
Surface area 5.5425717070658E+15
Circumference 131956441.89244

Square

Length = n
Perimeter 84006080
Area 441063842310400
Diagonal 29700634.41445

Cube

Length = n
Surface area 2646383053862400
Volume 9.2630111055587E+21
Space diagonal 36375699.676174

Equilateral Triangle

Length = n
Perimeter 63004560
Area 1.9098624606579E+14
Altitude 18187849.838087

Triangular Pyramid

Length = n
Surface area 1.9098624606579E+14
Volume 1.0916563278245E+21
Height 9900211.4714833