21082487 (number)

21082487 is an odd 8-digits composite number following 21082486 and preceding 21082488. In scientific notation, it is written as 2.1082487 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 20462400 positive integers (up to 21082487) that are relatively prime to 21082487.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-two thousand four hundred eighty-seven

Notation

Scientific notation 2.1082487 × 10^7
Engineering notation 2.1082487 × 10^6

Prime Factorization of 21082487

Prime Factorization 41 × 211 × 2437

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21082487
Product of the distinct prime numbers

The prime factorization of 21082487 is 41 × 211 × 2437. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082487)

Multiplication

n×y
n×2 42164974
n×3 63247461
n×4 84329948
n×5 105412435

Division

n÷y
n÷2 10541243.5
n÷3 7027495.6666667
n÷3 5270621.75
n÷5 4216497.4

Exponentiation

ny
n2 444471258105169
n3 9.3705595208759E+21
n4 1.9755469928159E+29
n5 4.1649443793931E+36

Nth Root

y√n
2√n 4591.5669438657
3√n 276.25317646136
4√n 67.761101997132
5√n 29.159788404746

Divisors of 21082487

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 -21082486
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 21082487 can be divided by 8 positive divisors. The sum of these divisors (counting 21082487) is 1, the average is 0.125.

Base conversion 21082487

Base System Value
2 Binary 1010000011011000101110111
3 Ternary 1110200002201212
4 Quaternary 1100123011313
5 Quinary 20344114422
6 Senary 2031512035
8 Octal 120330567
10 Decimal 21082487
12 Duodecimal 708861b
16 Hexadecimal 141b177
20 Vigesimal 6bf647
36 Base36 cjvcn

Cryptographic Hash Functions

md5 afa5ef1a4981ac034f429d8f86d13ee9
sha1 926ee004047aef7e376ce5f5ccc6c02d55f102eb
sha256 d5a8ea0ba2a11f915eb98e5c03c113c812180bc6195a8c56e55a161e5748e46a
sha512 06085091f1d0d02c6c617de0796188a835318e2919f2b9abdcf60b3fa9f866327567bece3971af0800934c1425baca9f082d4b31bcb90096253fb53f1515c8aa
ripemd-160 301075d67eaa68a603f946e781109b74735378e6

21082487 as geometric shapes

Circle

Radius = n
Diameter 42164974
Circumference 132465172.5572
Area 1.396347639195E+15

Sphere

Radius = n
Volume 3.9251307934413E+22
Surface area 5.58539055678E+15
Circumference 132465172.5572

Square

Length = n
Perimeter 84329948
Area 444471258105169
Diagonal 29815139.043954

Cube

Length = n
Surface area 2666827548631014
Volume 9.3705595208759E+21
Space diagonal 36515938.63391

Equilateral Triangle

Length = n
Perimeter 63247461
Area 1.9246170038555E+14
Altitude 18257969.316955

Triangular Pyramid

Length = n
Surface area 1.9246170038555E+14
Volume 1.1043310301206E+21
Height 9938379.6813182