21085958 (number)

21085958 is an even 8-digits composite number following 21085957 and preceding 21085959. In scientific notation, it is written as 2.1085958 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 10179400 positive integers (up to 21085958) that are relatively prime to 21085958.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1085958 × 10^7
Engineering notation 2.1085958 × 10^6

Prime Factorization of 21085958

Prime Factorization 2 × 29 × 363551

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21085958
Product of the distinct prime numbers

The prime factorization of 21085958 is 2 × 29 × 363551. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21085958)

Multiplication

n×y
n×2 42171916
n×3 63257874
n×4 84343832
n×5 105429790

Division

n÷y
n÷2 10542979
n÷3 7028652.6666667
n÷3 5271489.5
n÷5 4217191.6

Exponentiation

ny
n2 444617624777764
n3 9.3751885621237E+21
n4 1.9768483226302E+29
n5 4.1683740703351E+36

Nth Root

y√n
2√n 4591.9449038507
3√n 276.26833631351
4√n 67.763890855312
5√n 29.160748509318

Divisors of 21085958

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 -21085957
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 21085958 can be divided by 8 positive divisors. The sum of these divisors (counting 21085958) is 1, the average is 0.125.

Base conversion 21085958

Base System Value
2 Binary 1010000011011111100000110
3 Ternary 1110200021111102
4 Quaternary 1100123330012
5 Quinary 20344222313
6 Senary 2031540102
8 Octal 120337406
10 Decimal 21085958
12 Duodecimal 708a632
16 Hexadecimal 141bf06
20 Vigesimal 6bfehi
36 Base36 cjy12

Cryptographic Hash Functions

md5 3fa23064ddd0cc769d3bfc7fa13feb9f
sha1 ebf6bdc5798ea68ab46f3d752c00607b4a86d86f
sha256 078a52bb9b6dd348b7eb107f0b952ff63c0df788831629de424b6bf6ecc20d1b
sha512 2358718c2c2e71e925cbe75309a05631db1928d5ddb19fa32692c05bf1c04047baa44c55f5d90385a48bae2c57c1563c2b7b9286f6e86d776e5d4f01a876f5dc
ripemd-160 db966b3b36cf104f82ed1bd9e9089a55ac802e26

21085958 as geometric shapes

Circle

Radius = n
Diameter 42171916
Circumference 132486981.49341
Area 1.3968074636584E+15

Sphere

Radius = n
Volume 3.9270698017049E+22
Surface area 5.5872298546335E+15
Circumference 132486981.49341

Square

Length = n
Perimeter 84343832
Area 444617624777764
Diagonal 29820047.779229

Cube

Length = n
Surface area 2667705748666584
Volume 9.3751885621237E+21
Space diagonal 36521950.582263

Equilateral Triangle

Length = n
Perimeter 63257874
Area 1.9252507901392E+14
Altitude 18260975.291132

Triangular Pyramid

Length = n
Surface area 1.9252507901392E+14
Volume 1.1048765678634E+21
Height 9940015.9264098