21087321 (number)

21087321 is an odd 8-digits composite number following 21087320 and preceding 21087322. In scientific notation, it is written as 2.1087321 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 12858048 positive integers (up to 21087321) that are relatively prime to 21087321.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand three hundred twenty-one

Notation

Scientific notation 2.1087321 × 10^7
Engineering notation 2.1087321 × 10^6

Prime Factorization of 21087321

Prime Factorization 3 × 19 × 29 × 12757

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21087321
Product of the distinct prime numbers

The prime factorization of 21087321 is 3 × 19 × 29 × 12757. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 1, 92, 23, 1000, 901, 129, 2811, 26864, 65660, 259873, 264006, 2639435, 242872, 52053935, 93424486, 343129192, 765720705, 2758065775, 386226840

Basic calculations (n = 21087321)

Multiplication

n×y
n×2 42174642
n×3 63261963
n×4 84349284
n×5 105436605

Division

n÷y
n÷2 10543660.5
n÷3 7029107
n÷3 5271830.25
n÷5 4217464.2

Exponentiation

ny
n2 444675106957041
n3 9.3770067211125E+21
n4 1.9773595074726E+29
n5 4.1697214666476E+36

Nth Root

y√n
2√n 4592.0933135118
3√n 276.27428886306
4√n 67.764985896197
5√n 29.161125490744

Divisors of 21087321

1, 3, 19, 29, 57, 87, 551, 1653, 12757, 38271, 242383, 369953, 727149, 1109859, 7029107, 21087321

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 -21087320
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 21087321 can be divided by 16 positive divisors. The sum of these divisors (counting 21087321) is 1, the average is 0.0625.

Base conversion 21087321

Base System Value
2 Binary 1010000011100010001011001
3 Ternary 1110200100100220
4 Quaternary 1100130101121
5 Quinary 20344243241
6 Senary 2031550253
8 Octal 120342131
10 Decimal 21087321
12 Duodecimal 708b389
16 Hexadecimal 141c459
20 Vigesimal 6bfi61
36 Base36 cjz2x

Cryptographic Hash Functions

md5 8f9fab1ee58796ffc61ab8f366d1fd3e
sha1 60190af40d950efdf2d32b771ad1a9898b0d5112
sha256 442797dc9530298d94566c94fb927387044e13853153de007f00519e139f626f
sha512 7ab3220d7d76b27172dbec816cb154b7666d5295b5677d33e935fbc1086461b3884bbf87a3ac7cb120bfdf99c4cd2f16c394379863f9a26781e6da077c20b0ab
ripemd-160 bd3d18dbd8a4cec0aad4edf4c877b1187cbbd0a4

21087321 as geometric shapes

Circle

Radius = n
Diameter 42174642
Circumference 132495545.47498
Area 1.3969880492505E+15

Sphere

Radius = n
Volume 3.9278313903612E+22
Surface area 5.587952197002E+15
Circumference 132495545.47498

Square

Length = n
Perimeter 84349284
Area 444675106957041
Diagonal 29821975.352315

Cube

Length = n
Surface area 2668050641742246
Volume 9.3770067211125E+21
Space diagonal 36524311.367514

Equilateral Triangle

Length = n
Perimeter 63261963
Area 1.9254996952768E+14
Altitude 18262155.683757

Triangular Pyramid

Length = n
Surface area 1.9254996952768E+14
Volume 1.1050908399551E+21
Height 9940658.4507717