21087967 (number)

21087967 is an odd 8-digits composite number following 21087966 and preceding 21087968. In scientific notation, it is written as 2.1087967 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 19333080 positive integers (up to 21087967) that are relatively prime to 21087967.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1087967 × 10^7
Engineering notation 2.1087967 × 10^6

Prime Factorization of 21087967

Prime Factorization 19 × 31 × 35803

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21087967
Product of the distinct prime numbers

The prime factorization of 21087967 is 19 × 31 × 35803. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 10, 20, 64, 627, 757, 4396, 7565, 86335, 10368, 656326, 391312, 1094338, 3081431, 45210832, 44886442, 918006803, 607429681, 4708910980, 3370689725

Basic calculations (n = 21087967)

Multiplication

n×y
n×2 42175934
n×3 63263901
n×4 84351868
n×5 105439835

Division

n÷y
n÷2 10543983.5
n÷3 7029322.3333333
n÷3 5271991.75
n÷5 4217593.4

Exponentiation

ny
n2 444702352193089
n3 9.3778685278702E+21
n4 1.9776018204607E+29
n5 4.1703601929014E+36

Nth Root

y√n
2√n 4592.1636512651
3√n 276.27711001118
4√n 67.765504877224
5√n 29.161304155983

Divisors of 21087967

1, 19, 31, 589, 35803, 680257, 1109893, 21087967

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21087966
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21087967 can be divided by 8 positive divisors. The sum of these divisors (counting 21087967) is 1, the average is 0.125.

Base conversion 21087967

Base System Value
2 Binary 1010000011100011011011111
3 Ternary 1110200101020211
4 Quaternary 1100130123133
5 Quinary 20344303332
6 Senary 2031553251
8 Octal 120343337
10 Decimal 21087967
12 Duodecimal 708b827
16 Hexadecimal 141c6df
20 Vigesimal 6bfji7
36 Base36 cjzkv

Cryptographic Hash Functions

md5 0db67b8e1e9e7c88ff5693316b0735e5
sha1 5e13b4737da77720a3cdcde5d39e73c74b37468d
sha256 2f0fdd1dc0f9f2a7e411eb2d781e21ccf89f95357755bf15e446280d8027ffdf
sha512 252a686f69c4d4d5a0c4870c4040323aa9b6874e957038c26c41082f9dd4e9c632c115f1cba5d272b63d84ee1fe6fea6cde615932762eccc385a16c133bf19c0
ripemd-160 7e4dcc13e68b35f3f81a3f71a490cccf346269e2

21087967 as geometric shapes

Circle

Radius = n
Diameter 42175934
Circumference 132499604.41269
Area 1.3970736426839E+15

Sphere

Radius = n
Volume 3.9281923831317E+22
Surface area 5.5882945707356E+15
Circumference 132499604.41269

Square

Length = n
Perimeter 84351868
Area 444702352193089
Diagonal 29822888.934276

Cube

Length = n
Surface area 2668214113158534
Volume 9.3778685278702E+21
Space diagonal 36525430.272336

Equilateral Triangle

Length = n
Perimeter 63263901
Area 1.9256176706095E+14
Altitude 18262715.136168

Triangular Pyramid

Length = n
Surface area 1.9256176706095E+14
Volume 1.1051924048555E+21
Height 9940962.9780921