21087320 (number)

21087320 is an even 8-digits composite number following 21087319 and preceding 21087321. In scientific notation, it is written as 2.1087320 × 10^7. The sum of its digits is 23. It has a total of 6 prime factors and 32 positive divisors. There are 8067840 positive integers (up to 21087320) that are relatively prime to 21087320.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1087320 × 10^7
Engineering notation 2.1087320 × 10^6

Prime Factorization of 21087320

Prime Factorization 2 × 2 × 2 × 5 × 23 × 22921

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5271830
Product of the distinct prime numbers

The prime factorization of 21087320 is 2 × 2 × 2 × 5 × 23 × 22921. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 8, 27, 98, 645, 411, 5374, 5693, 10727, 32079, 425019, 4432, 7753306, 8718769, 19497643, 33491961, 637413898, 572841015, 4534780012, 9676957913

Basic calculations (n = 21087320)

Multiplication

n×y
n×2 42174640
n×3 63261960
n×4 84349280
n×5 105436600

Division

n÷y
n÷2 10543660
n÷3 7029106.6666667
n÷3 5271830
n÷5 4217464

Exponentiation

ny
n2 444675064782400
n3 9.3770053870872E+21
n4 1.9773591323923E+29
n5 4.1697204779679E+36

Nth Root

y√n
2√n 4592.093204629
3√n 276.27428449591
4√n 67.764985092812
5√n 29.161125214169

Divisors of 21087320

1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22921, 45842, 91684, 114605, 183368, 229210, 458420, 527183, 916840, 1054366, 2108732, 2635915, 4217464, 5271830, 10543660, 21087320

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 -21087319
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 21087320 can be divided by 32 positive divisors. The sum of these divisors (counting 21087320) is 1, the average is 0.03125.

Base conversion 21087320

Base System Value
2 Binary 1010000011100010001011000
3 Ternary 1110200100100212
4 Quaternary 1100130101120
5 Quinary 20344243240
6 Senary 2031550252
8 Octal 120342130
10 Decimal 21087320
12 Duodecimal 708b388
16 Hexadecimal 141c458
20 Vigesimal 6bfi60
36 Base36 cjz2w

Cryptographic Hash Functions

md5 1f51aa5b411a5bf2d02c69ac9b56318d
sha1 5512db2cae71cf14d4dc65d67bac9dda6fefad10
sha256 91c9920d3f3a4a56103b0fa1fda2d3c70c2c8ec38696ce207c6a7a0f7bd2b4cf
sha512 aec979fc990ffdec3eb18272d2a8a3b7cdaa51bec2defa4f95a6bea89081f3f6b585d0a6bd0b94ac2f69ca4f8e6841014928c8b5a8802aa59d2713005d73d756
ripemd-160 ad3fce199b770ff48cbefc9b1c3fd281782a267d

21087320 as geometric shapes

Circle

Radius = n
Diameter 42174640
Circumference 132495539.19179
Area 1.396987916755E+15

Sphere

Radius = n
Volume 3.927830831566E+22
Surface area 5.5879516670198E+15
Circumference 132495539.19179

Square

Length = n
Perimeter 84349280
Area 444675064782400
Diagonal 29821973.938101

Cube

Length = n
Surface area 2668050388694400
Volume 9.3770053870872E+21
Space diagonal 36524309.635463

Equilateral Triangle

Length = n
Perimeter 63261960
Area 1.9254995126552E+14
Altitude 18262154.817732

Triangular Pyramid

Length = n
Surface area 1.9254995126552E+14
Volume 1.1050906827387E+21
Height 9940657.9793671