21087580 (number)

21087580 is an even 8-digits composite number following 21087579 and preceding 21087581. In scientific notation, it is written as 2.1087580 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 8308608 positive integers (up to 21087580) that are relatively prime to 21087580.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1087580 × 10^7
Engineering notation 2.1087580 × 10^6

Prime Factorization of 21087580

Prime Factorization 2 × 2 × 5 × 67 × 15737

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10543790
Product of the distinct prime numbers

The prime factorization of 21087580 is 2 × 2 × 5 × 67 × 15737. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 1, 57, 17, 417, 752, 7502, 5319, 78627, 15039, 972478, 346122, 4269575, 6947490, 76153887, 67897559, 866513203, 334840245, 1714670936, 815079321

Basic calculations (n = 21087580)

Multiplication

n×y
n×2 42175160
n×3 63262740
n×4 84350320
n×5 105437900

Division

n÷y
n÷2 10543790
n÷3 7029193.3333333
n÷3 5271895
n÷5 4217516

Exponentiation

ny
n2 444686030256400
n3 9.3773522379143E+21
n4 1.977456655052E+29
n5 4.1699775409941E+36

Nth Root

y√n
2√n 4592.1215140717
3√n 276.27541994949
4√n 67.765193972066
5√n 29.161197123308

Divisors of 21087580

1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 15737, 31474, 62948, 78685, 157370, 314740, 1054379, 2108758, 4217516, 5271895, 10543790, 21087580

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21087579
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21087580 can be divided by 24 positive divisors. The sum of these divisors (counting 21087580) is 1, the average is 0.041666666666667.

Base conversion 21087580

Base System Value
2 Binary 1010000011100010101011100
3 Ternary 1110200100201111
4 Quaternary 1100130111130
5 Quinary 20344300310
6 Senary 2031551404
8 Octal 120342534
10 Decimal 21087580
12 Duodecimal 708b564
16 Hexadecimal 141c55c
20 Vigesimal 6bfij0
36 Base36 cjza4

Cryptographic Hash Functions

md5 e32312faf1d1b6772c66df6001d860c5
sha1 656229f857e4ed954a8331f0d90b06e53eb90352
sha256 5171352e13fd59a78907afe344fb38cae206444e98c415c8adbf529e9a4cb319
sha512 1ca09ed165ed148de0be5979648c10b64135dcb543e64e795ceecc2f5a177ea26463c4f0bfd6758b6d3d1e7eabc5edb08179f30b14686b4ce91140f6c3ab68e1
ripemd-160 5b0a88d228fdd2bf7f3e81f770da10e2f4ecf028

21087580 as geometric shapes

Circle

Radius = n
Diameter 42175160
Circumference 132497172.81997
Area 1.3970223658075E+15

Sphere

Radius = n
Volume 3.9279761201007E+22
Surface area 5.5880894632301E+15
Circumference 132497172.81997

Square

Length = n
Perimeter 84350320
Area 444686030256400
Diagonal 29822341.633628

Cube

Length = n
Surface area 2668116181538400
Volume 9.3773522379143E+21
Space diagonal 36524759.968673

Equilateral Triangle

Length = n
Perimeter 63262740
Area 1.9255469945505E+14
Altitude 18262379.984337

Triangular Pyramid

Length = n
Surface area 1.9255469945505E+14
Volume 1.1051315595007E+21
Height 9940780.5445425