21000986 (number)

21000986 is an even 8-digits composite number following 21000985 and preceding 21000987. In scientific notation, it is written as 2.1000986 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 10482588 positive integers (up to 21000986) that are relatively prime to 21000986.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred eighty-six

Notation

Scientific notation 2.1000986 × 10^7
Engineering notation 2.1000986 × 10^6

Prime Factorization of 21000986

Prime Factorization 2 × 607 × 17299

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000986
Product of the distinct prime numbers

The prime factorization of 21000986 is 2 × 607 × 17299. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000986)

Multiplication

n×y
n×2 42001972
n×3 63002958
n×4 84003944
n×5 105004930

Division

n÷y
n÷2 10500493
n÷3 7000328.6666667
n÷3 5250246.5
n÷5 4200197.2

Exponentiation

ny
n2 441041412972196
n3 9.2623045392493E+21
n4 1.9451752795651E+29
n5 4.0850598813693E+36

Nth Root

y√n
2√n 4582.683275113
3√n 275.89673550583
4√n 67.695518870254
5√n 29.137208190314

Divisors of 21000986

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 -21000985
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 21000986 can be divided by 8 positive divisors. The sum of these divisors (counting 21000986) is 1, the average is 0.125.

Base conversion 21000986

Base System Value
2 Binary 1010000000111001100011010
3 Ternary 1110111221221022
4 Quaternary 1100013030122
5 Quinary 20334012421
6 Senary 2030042442
8 Octal 120071432
10 Decimal 21000986
12 Duodecimal 7049422
16 Hexadecimal 140731a
20 Vigesimal 6b5296
36 Base36 ci4gq

Cryptographic Hash Functions

md5 83efe4d435f3bfa3b2659760baad28ed
sha1 95d70248ee855ba13125ae71e1d9ce3295339464
sha256 7290f6886c88e01c8afd39ef018fb9644ef4ad6f77c0db51c08cd1573b0fa9f4
sha512 3f90cb72ad89854e5a333abc6acf160905a6579c707b838cb7281f7e2d5904556fa5313b21ae3415c7f1b018c1608c9a2567a8a3e616d73fad221493509da362
ripemd-160 60ea6f9eac7681b810d31449da7debe942be0573

21000986 as geometric shapes

Circle

Radius = n
Diameter 42001972
Circumference 131953086.67148
Area 1.3855724629223E+15

Sphere

Radius = n
Volume 3.8797850527756E+22
Surface area 5.5422898516893E+15
Circumference 131953086.67148

Square

Length = n
Perimeter 84003944
Area 441041412972196
Diagonal 29699879.224407

Cube

Length = n
Surface area 2646248477833176
Volume 9.2623045392493E+21
Space diagonal 36374774.761043

Equilateral Triangle

Length = n
Perimeter 63002958
Area 1.9097653387745E+14
Altitude 18187387.380521

Triangular Pyramid

Length = n
Surface area 1.9097653387745E+14
Volume 1.0915730581864E+21
Height 9899959.7414692