21158085 (number)

21158085 is an odd 8-digits composite number following 21158084 and preceding 21158086. In scientific notation, it is written as 2.1158085 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 10416192 positive integers (up to 21158085) that are relatively prime to 21158085.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred fifty-eight thousand eighty-five

Notation

Scientific notation 2.1158085 × 10^7
Engineering notation 2.1158085 × 10^6

Prime Factorization of 21158085

Prime Factorization 15 × 13 × 108503

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21158085
Product of the distinct prime numbers

The prime factorization of 21158085 is 15 × 13 × 108503. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21158085)

Multiplication

n×y
n×2 42316170
n×3 63474255
n×4 84632340
n×5 105790425

Division

n÷y
n÷2 10579042.5
n÷3 7052695
n÷3 5289521.25
n÷5 4231617

Exponentiation

ny
n2 447664560867225
n3 9.4717248303164E+21
n4 2.0040355905645E+29
n5 4.2401555368188E+36

Nth Root

y√n
2√n 4599.7918431164
3√n 276.58298060848
4√n 67.821765260987
5√n 29.180670823466

Divisors of 21158085

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 -21158084
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 21158085 can be divided by 8 positive divisors. The sum of these divisors (counting 21158085) is 1, the average is 0.125.

Base conversion 21158085

Base System Value
2 Binary 1010000101101100011000101
3 Ternary 1110210221102210
4 Quaternary 1100231203011
5 Quinary 20404024320
6 Senary 2033254033
8 Octal 120554305
10 Decimal 21158085
12 Duodecimal 7104319
16 Hexadecimal 142d8c5
20 Vigesimal 6c4f45
36 Base36 clhol

Cryptographic Hash Functions

md5 671f701cb9f48d3ea2e94013bcfa660e
sha1 5fcd7e7f39c97f1ee6c4626d74980ecb192f8c39
sha256 6da19a77301c96d5e7485d9ec8586e44eabec81117fd2d236b2f9df979ad471d
sha512 e6d7184e1e44eeaa1097154080e9018a59152c3aafe99ac3165413b5951f0d765bee1efea32d754290a23d3677f007200cdf6bbb226649ecb2dc51f87a45c557
ripemd-160 b65c60dd4236e1ad46969929ecc5a3979f46a014

21158085 as geometric shapes

Circle

Radius = n
Diameter 42316170
Circumference 132940168.80006
Area 1.406379695693E+15

Sphere

Radius = n
Volume 3.9675068191661E+22
Surface area 5.6255187827719E+15
Circumference 132940168.80006

Square

Length = n
Perimeter 84632340
Area 447664560867225
Diagonal 29922050.760843

Cube

Length = n
Surface area 2685987365203350
Volume 9.4717248303164E+21
Space diagonal 36646878.210861

Equilateral Triangle

Length = n
Perimeter 63474255
Area 1.9384444104251E+14
Altitude 18323439.10543

Triangular Pyramid

Length = n
Surface area 1.9384444104251E+14
Volume 1.116253476175E+21
Height 9974016.9202809