21087550 (number)

21087550 is an even 8-digits composite number following 21087549 and preceding 21087551. In scientific notation, it is written as 2.1087550 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 7330400 positive integers (up to 21087550) that are relatively prime to 21087550.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand five hundred fifty

Notation

Scientific notation 2.1087550 × 10^7
Engineering notation 2.1087550 × 10^6

Prime Factorization of 21087550

Prime Factorization 2 × 5 × 11 × 115 × 1667

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21087550
Product of the distinct prime numbers

The prime factorization of 21087550 is 2 × 5 × 11 × 115 × 1667. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 8, 78, 68, 873, 432, 6004, 1151, 63391, 79072, 950778, 23691, 4856703, 9852576, 10886565, 74380628, 804944850, 142127279, 8997312254, 5912280297

Basic calculations (n = 21087550)

Multiplication

n×y
n×2 42175100
n×3 63262650
n×4 84350200
n×5 105437750

Division

n÷y
n÷2 10543775
n÷3 7029183.3333333
n÷3 5271887.5
n÷5 4217510

Exponentiation

ny
n2 444684765002500
n3 9.3773122162285E+21
n4 1.9774454022533E+29
n5 4.1699478792286E+36

Nth Root

y√n
2√n 4592.1182476064
3√n 276.27528893609
4√n 67.765169870712
5√n 29.161188826136

Divisors of 21087550

1, 2, 5, 10, 11, 22, 55, 110, 115, 230, 575, 1150, 1265, 1667, 2530, 3334, 6325, 8335, 12650, 16670, 18337, 36674, 91685, 183370, 191705, 383410, 958525, 1917050, 2108755, 4217510, 10543775, 21087550

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21087549
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21087550 can be divided by 32 positive divisors. The sum of these divisors (counting 21087550) is 1, the average is 0.03125.

Base conversion 21087550

Base System Value
2 Binary 1010000011100010100111110
3 Ternary 1110200100200101
4 Quaternary 1100130110332
5 Quinary 20344300200
6 Senary 2031551314
8 Octal 120342476
10 Decimal 21087550
12 Duodecimal 708b53a
16 Hexadecimal 141c53e
20 Vigesimal 6bfiha
36 Base36 cjz9a

Cryptographic Hash Functions

md5 8e2ed0d84c6b3edcde3afddc58aa042f
sha1 f9aaa19b40ea43870f5e3b3049eb3b91d7ac2585
sha256 e2c2317db0aa09ed2e3f75081e6dd8047997e266ca05975f05f4445b5248b26f
sha512 4dea9faf57aa90d9b85b4732cac0f835ff5cbbf47a289ce6e2f69bece55604f648a66c376f8f3e8a459f3eb3265eefba11c93c9ce01b40e0fb58b80918e5b355
ripemd-160 f624103a9a584d1b2857f649e866b4cb1f800e3d

21087550 as geometric shapes

Circle

Radius = n
Diameter 42175100
Circumference 132496984.32441
Area 1.3970183908952E+15

Sphere

Radius = n
Volume 3.9279593558562E+22
Surface area 5.5880735635806E+15
Circumference 132496984.32441

Square

Length = n
Perimeter 84350200
Area 444684765002500
Diagonal 29822299.207221

Cube

Length = n
Surface area 2668108590015000
Volume 9.3773122162285E+21
Space diagonal 36524708.007149

Equilateral Triangle

Length = n
Perimeter 63262650
Area 1.9255415158404E+14
Altitude 18262354.003575

Triangular Pyramid

Length = n
Surface area 1.9255415158404E+14
Volume 1.1051268428998E+21
Height 9940766.4024069