21087078 (number)

21087078 is an even 8-digits composite number following 21087077 and preceding 21087079. In scientific notation, it is written as 2.1087078 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 7017696 positive integers (up to 21087078) that are relatively prime to 21087078.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand seventy-eight

Notation

Scientific notation 2.1087078 × 10^7
Engineering notation 2.1087078 × 10^6

Prime Factorization of 21087078

Prime Factorization 2 × 3 × 709 × 4957

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21087078
Product of the distinct prime numbers

The prime factorization of 21087078 is 2 × 3 × 709 × 4957. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 46, 70, 588, 179, 1062, 80, 20306, 77982, 909104, 847896, 9233693, 8870260, 43373719, 16311155, 61058839, 295096794, 2666441338, 3953371874

Basic calculations (n = 21087078)

Multiplication

n×y
n×2 42174156
n×3 63261234
n×4 84348312
n×5 105435390

Division

n÷y
n÷2 10543539
n÷3 7029026
n÷3 5271769.5
n÷5 4217415.6

Exponentiation

ny
n2 444664858578084
n3 9.376682556695E+21
n4 1.9772683645427E+29
n5 4.1694812230044E+36

Nth Root

y√n
2√n 4592.066854914
3√n 276.27322764227
4√n 67.764790672694
5√n 29.161058282717

Divisors of 21087078

1, 2, 3, 6, 709, 1418, 2127, 4254, 4957, 9914, 14871, 29742, 3514513, 7029026, 10543539, 21087078

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 -21087077
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 21087078 can be divided by 16 positive divisors. The sum of these divisors (counting 21087078) is 1, the average is 0.0625.

Base conversion 21087078

Base System Value
2 Binary 1010000011100001101100110
3 Ternary 1110200100000220
4 Quaternary 1100130031212
5 Quinary 20344241303
6 Senary 2031545210
8 Octal 120341546
10 Decimal 21087078
12 Duodecimal 708b206
16 Hexadecimal 141c366
20 Vigesimal 6bfhdi
36 Base36 cjyw6

Cryptographic Hash Functions

md5 f37215bb180d892121fb0fe9d7ec2356
sha1 7dae8033b8650b916e7264ba008d71369dbfae9f
sha256 e534133bdc84298432879b497db7c3ab32ca7c22d18e9d3dc363241a8d8383cc
sha512 1191c9abeeccb3572b95077d8271ad1178dea36ff1f7a13f05b7a6e89c908a4f3389bd8561be7395b80de6666a0f820f54a0c2a830285db43b21d305616011bd
ripemd-160 99124e3cdece35ee60fdaa488c8eaa990cba60a6

21087078 as geometric shapes

Circle

Radius = n
Diameter 42174156
Circumference 132494018.66095
Area 1.3969558530185E+15

Sphere

Radius = n
Volume 3.9276956046876E+22
Surface area 5.5878234120738E+15
Circumference 132494018.66095

Square

Length = n
Perimeter 84348312
Area 444664858578084
Diagonal 29821631.698419

Cube

Length = n
Surface area 2667989151468504
Volume 9.376682556695E+21
Space diagonal 36523890.479168

Equilateral Triangle

Length = n
Perimeter 63261234
Area 1.9254553184942E+14
Altitude 18261945.239584

Triangular Pyramid

Length = n
Surface area 1.9254553184942E+14
Volume 1.1050526368121E+21
Height 9940543.8994731