21506661 (number)

21506661 is an odd 8-digits composite number following 21506660 and preceding 21506662. In scientific notation, it is written as 2.1506661 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 12529440 positive integers (up to 21506661) that are relatively prime to 21506661.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1506661 × 10^7
Engineering notation 2.1506661 × 10^6

Prime Factorization of 21506661

Prime Factorization 33 × 3 × 33 × 29 × 227

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 651717
Product of the distinct prime numbers

The prime factorization of 21506661 is 33 × 3 × 33 × 29 × 227. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 5, 9, 17, 343, 894, 5056, 561, 43522, 93028, 183590, 846043, 1867886, 2646799, 30355294, 46764392, 327750591, 493547417, 593865953, 9913313544

Basic calculations (n = 21506661)

Multiplication

n×y
n×2 43013322
n×3 64519983
n×4 86026644
n×5 107533305

Division

n÷y
n÷2 10753330.5
n÷3 7168887
n÷3 5376665.25
n÷5 4301332.2

Exponentiation

ny
n2 462536467368921
n3 9.9476150038409E+21
n4 2.1393998364612E+29
n5 4.6011347026227E+36

Nth Root

y√n
2√n 4637.5274662259
3√n 278.09360148848
4√n 68.099394022458
5√n 29.276192756009

Divisors of 21506661

1, 3, 29, 33, 87, 99, 227, 681, 957, 1089, 2871, 3267, 6583, 7491, 19749, 22473, 31581, 94743, 217239, 247203, 651717, 741609, 7168887, 21506661

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21506660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21506661 can be divided by 24 positive divisors. The sum of these divisors (counting 21506661) is 1, the average is 0.041666666666667.

Base conversion 21506661

Base System Value
2 Binary 1010010000010101001100101
3 Ternary 1111110122121000
4 Quaternary 1102002221211
5 Quinary 21001203121
6 Senary 2044543513
8 Octal 122025145
10 Decimal 21506661
12 Duodecimal 7251b99
16 Hexadecimal 1482a65
20 Vigesimal 6e86d1
36 Base36 csyn9

Cryptographic Hash Functions

md5 e77856532574f9a1e80b3f2b08e6895c
sha1 ac9ebcbcf5ff9a0723e26076e033eedc70789a47
sha256 86857588ade2e08474b4566ca7fafff195acebfb7599f6cdde7949a7e99f5338
sha512 e14777944444036b09cb3ff3544aa8387fae97b1f493ec6ec23c367937265dfbf5d9a846ad3ef872a1849e5c79a1d7af2bba057d04a93364fe83e88cb49b6f06
ripemd-160 6769e284d20150d69ed3eaea18554a0fb5901140

21506661 as geometric shapes

Circle

Radius = n
Diameter 43013322
Circumference 135130336.40169
Area 1.4531011679036E+15

Sphere

Radius = n
Volume 4.1668472289075E+22
Surface area 5.8124046716143E+15
Circumference 135130336.40169

Square

Length = n
Perimeter 86026644
Area 462536467368921
Diagonal 30415011.667561

Cube

Length = n
Surface area 2775218804213526
Volume 9.9476150038409E+21
Space diagonal 37250629.55316

Equilateral Triangle

Length = n
Perimeter 64519983
Area 2.002841654591E+14
Altitude 18625314.77658

Triangular Pyramid

Length = n
Surface area 2.002841654591E+14
Volume 1.1723376709748E+21
Height 10138337.22252