21087966 (number)

21087966 is an even 8-digits composite number following 21087965 and preceding 21087967. In scientific notation, it is written as 2.1087966 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 7012224 positive integers (up to 21087966) that are relatively prime to 21087966.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand nine hundred sixty-six

Notation

Scientific notation 2.1087966 × 10^7
Engineering notation 2.1087966 × 10^6

Prime Factorization of 21087966

Prime Factorization 2 × 3 × 433 × 8117

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21087966
Product of the distinct prime numbers

The prime factorization of 21087966 is 2 × 3 × 433 × 8117. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 84, 9, 113, 408, 5004, 2071, 11154, 33736, 667505, 838532, 7959151, 4424543, 74254284, 93860263, 157751517, 807517007, 1643081384, 3095708845

Basic calculations (n = 21087966)

Multiplication

n×y
n×2 42175932
n×3 63263898
n×4 84351864
n×5 105439830

Division

n÷y
n÷2 10543983
n÷3 7029322
n÷3 5271991.5
n÷5 4217593.2

Exponentiation

ny
n2 444702310017156
n3 9.3778671937632E+21
n4 1.9776014453459E+29
n5 4.1703592041006E+36

Nth Root

y√n
2√n 4592.1635423839
3√n 276.27710564412
4√n 67.765504073857
5√n 29.161303879414

Divisors of 21087966

1, 2, 3, 6, 433, 866, 1299, 2598, 8117, 16234, 24351, 48702, 3514661, 7029322, 10543983, 21087966

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 -21087965
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 21087966 can be divided by 16 positive divisors. The sum of these divisors (counting 21087966) is 1, the average is 0.0625.

Base conversion 21087966

Base System Value
2 Binary 1010000011100011011011110
3 Ternary 1110200101020210
4 Quaternary 1100130123132
5 Quinary 20344303331
6 Senary 2031553250
8 Octal 120343336
10 Decimal 21087966
12 Duodecimal 708b826
16 Hexadecimal 141c6de
20 Vigesimal 6bfji6
36 Base36 cjzku

Cryptographic Hash Functions

md5 7c599df1f6b9aee65ecb73c71a0dd235
sha1 a00a3af0c5a2a90323816af5c6b7c723e4499f67
sha256 772d0a6d8cd7e64d1d720627694edf42b6f20f595045362a64956efd883e83d3
sha512 57901cae6ca4abea8c97fff12503d0e1f214d7fc8282e6889100d47fee0a103a8fed1f2198398d62831a646cbc89a793647a8311c2cc91ddd8ac1474b79a68ee
ripemd-160 5c00e885228aa856bfe65a8c6e2a6f51c34933d0

21087966 as geometric shapes

Circle

Radius = n
Diameter 42175932
Circumference 132499598.1295
Area 1.3970735101843E+15

Sphere

Radius = n
Volume 3.9281918243023E+22
Surface area 5.5882940407372E+15
Circumference 132499598.1295

Square

Length = n
Perimeter 84351864
Area 444702310017156
Diagonal 29822887.520063

Cube

Length = n
Surface area 2668213860102936
Volume 9.3778671937632E+21
Space diagonal 36525428.540285

Equilateral Triangle

Length = n
Perimeter 63263898
Area 1.9256174879824E+14
Altitude 18262714.270143

Triangular Pyramid

Length = n
Surface area 1.9256174879824E+14
Volume 1.1051922476295E+21
Height 9940962.5066876