21509312 (number)

21509312 is an even 8-digits composite number following 21509311 and preceding 21509313. In scientific notation, it is written as 2.1509312 × 10^7. The sum of its digits is 23. It has a total of 8 prime factors and 28 positive divisors. There are 9776640 positive integers (up to 21509312) that are relatively prime to 21509312.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred nine thousand three hundred twelve

Notation

Scientific notation 2.1509312 × 10^7
Engineering notation 2.1509312 × 10^6

Prime Factorization of 21509312

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 11 × 30553

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 672166
Product of the distinct prime numbers

The prime factorization of 21509312 is 2 × 2 × 2 × 2 × 2 × 2 × 11 × 30553. Since it has a total of 8 prime factors.

Most popular turbo-numbers

5, 7, 60, 55, 751, 179, 1076, 2849, 95952, 22706, 923496, 217388, 1950817, 3755255, 98194222, 9100834, 373020488, 767967385, 4904381774, 7188928274

Basic calculations (n = 21509312)

Multiplication

n×y
n×2 43018624
n×3 64527936
n×4 86037248
n×5 107546560

Division

n÷y
n÷2 10754656
n÷3 7169770.6666667
n÷3 5377328
n÷5 4301862.4

Exponentiation

ny
n2 462650502713344
n3 9.9512940098182E+21
n4 2.1404548766091E+29
n5 4.6039711762907E+36

Nth Root

y√n
2√n 4637.8132778282
3√n 278.10502734159
4√n 68.101492478713
5√n 29.27691446135

Divisors of 21509312

1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 352, 704, 30553, 61106, 122212, 244424, 336083, 488848, 672166, 977696, 1344332, 1955392, 2688664, 5377328, 10754656, 21509312

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21509311
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21509312 can be divided by 28 positive divisors. The sum of these divisors (counting 21509312) is 1, the average is 0.035714285714286.

Base conversion 21509312

Base System Value
2 Binary 1010010000011010011000000
3 Ternary 1111110210020012
4 Quaternary 1102003103000
5 Quinary 21001244222
6 Senary 2045004052
8 Octal 122032300
10 Decimal 21509312
12 Duodecimal 7253628
16 Hexadecimal 14834c0
20 Vigesimal 6e8d5c
36 Base36 ct0ow

Cryptographic Hash Functions

md5 3a3b7cec32a807434a64ed3ff45ed5c3
sha1 1c4d23375b898b50f3d46b389d4447449f1a412a
sha256 5989a33e2e2d329b2dd521200b483d63d06e66f03b536d9e5e4ffe0095e33348
sha512 5e49899013f3e275d6aee35d968eda179ac5da7d1874a498b1067734eab1951b7fa58a3f503f5f3a402d867ed2ed551660c3323c2ad8765898ff0033ccc86207
ripemd-160 f4ce0b233fb9fcca352e4d6f3f8f7159a230d7da

21509312 as geometric shapes

Circle

Radius = n
Diameter 43018624
Circumference 135146993.12594
Area 1.4534594205039E+15

Sphere

Radius = n
Volume 4.1683882873276E+22
Surface area 5.8138376820155E+15
Circumference 135146993.12594

Square

Length = n
Perimeter 86037248
Area 462650502713344
Diagonal 30418760.747714

Cube

Length = n
Surface area 2775903016280064
Volume 9.9512940098182E+21
Space diagonal 37255221.219851

Equilateral Triangle

Length = n
Perimeter 64527936
Area 2.003335442117E+14
Altitude 18627610.609925

Triangular Pyramid

Length = n
Surface area 2.003335442117E+14
Volume 1.1727712459872E+21
Height 10139586.915905