21491610 (number)

21491610 is an even 8-digits composite number following 21491609 and preceding 21491611. In scientific notation, it is written as 2.1491610 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 4741632 positive integers (up to 21491610) that are relatively prime to 21491610.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand six hundred ten

Notation

Scientific notation 2.1491610 × 10^7
Engineering notation 2.1491610 × 10^6

Prime Factorization of 21491610

Prime Factorization 2 × 105 × 29 × 3529

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21491610
Product of the distinct prime numbers

The prime factorization of 21491610 is 2 × 105 × 29 × 3529. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 3, 83, 742, 781, 3959, 5654, 36633, 83405, 26317, 785390, 7310939, 5561059, 48720866, 82710256, 512464262, 985051431, 8676891096, 3703300828

Basic calculations (n = 21491610)

Multiplication

n×y
n×2 42983220
n×3 64474830
n×4 85966440
n×5 107458050

Division

n÷y
n÷2 10745805
n÷3 7163870
n÷3 5372902.5
n÷5 4298322

Exponentiation

ny
n2 461889300392100
n3 9.9267447071999E+21
n4 2.133417258167E+29
n5 4.5850571679795E+36

Nth Root

y√n
2√n 4635.9044425009
3√n 278.02871362924
4√n 68.087476399856
5√n 29.272093938651

Divisors of 21491610

1, 2, 29, 58, 105, 210, 3045, 3529, 6090, 7058, 102341, 204682, 370545, 741090, 10745805, 21491610

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 -21491609
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 21491610 can be divided by 16 positive divisors. The sum of these divisors (counting 21491610) is 1, the average is 0.0625.

Base conversion 21491610

Base System Value
2 Binary 1010001111110111110011010
3 Ternary 1111102212221120
4 Quaternary 1101332332122
5 Quinary 21000212420
6 Senary 2044350110
8 Octal 121767632
10 Decimal 21491610
12 Duodecimal 7245336
16 Hexadecimal 147ef9a
20 Vigesimal 6e690a
36 Base36 csn16

Cryptographic Hash Functions

md5 e8b6479bd11ab82662d2e50296897424
sha1 06a42d6866825063f3aada237570d5e1a7c7510a
sha256 a5098180cbfd3f9d31dca3d314530909acec4efe7cf514da54dec4802dae6f3d
sha512 71e497669ddf0e3baf78287e32712559106c0fd1bccbedf29f22fd31f59d1523278d2953806f58d4fc94502cf13e99d5e9a2f78bce36c0603b172256832fdb22
ripemd-160 033098c467f61caa2ac8dfdac4511fed1428e5c8

21491610 as geometric shapes

Circle

Radius = n
Diameter 42983220
Circumference 135035768.17963
Area 1.4510680328836E+15

Sphere

Radius = n
Volume 4.1581050994934E+22
Surface area 5.8042721315342E+15
Circumference 135035768.17963

Square

Length = n
Perimeter 85966440
Area 461889300392100
Diagonal 30393726.339233

Cube

Length = n
Surface area 2771335802352600
Volume 9.9267447071999E+21
Space diagonal 37224560.456455

Equilateral Triangle

Length = n
Perimeter 64474830
Area 2.0000393393789E+14
Altitude 18612280.228228

Triangular Pyramid

Length = n
Surface area 2.0000393393789E+14
Volume 1.1698780829281E+21
Height 10131242.113078