21084871 (number)

21084871 is an odd 8-digits composite number following 21084870 and preceding 21084872. In scientific notation, it is written as 2.1084871 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20968200 positive integers (up to 21084871) that are relatively prime to 21084871.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-four thousand eight hundred seventy-one

Notation

Scientific notation 2.1084871 × 10^7
Engineering notation 2.1084871 × 10^6

Prime Factorization of 21084871

Prime Factorization 181 × 116491

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21084871
Product of the distinct prime numbers

The prime factorization of 21084871 is 181 × 116491. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21084871)

Multiplication

n×y
n×2 42169742
n×3 63254613
n×4 84339484
n×5 105424355

Division

n÷y
n÷2 10542435.5
n÷3 7028290.3333333
n÷3 5271217.75
n÷5 4216974.2

Exponentiation

ny
n2 444571785086641
n3 9.3737387387915E+21
n4 1.9764407209512E+29
n5 4.1672997640404E+36

Nth Root

y√n
2√n 4591.8265428912
3√n 276.26358893863
4√n 67.763017516129
5√n 29.160447850583

Divisors of 21084871

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21084870
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21084871 can be divided by 4 positive divisors. The sum of these divisors (counting 21084871) is 1, the average is 0.25.

Base conversion 21084871

Base System Value
2 Binary 1010000011011101011000111
3 Ternary 1110200020000011
4 Quaternary 1100123223013
5 Quinary 20344203441
6 Senary 2031531051
8 Octal 120335307
10 Decimal 21084871
12 Duodecimal 7089a87
16 Hexadecimal 141bac7
20 Vigesimal 6bfc3b
36 Base36 cjx6v

Cryptographic Hash Functions

md5 593e589b0b68a893c963ce6e3ebaef29
sha1 3a41a5cedbb60c96f5c2534e0d792a0a53910c72
sha256 43d02937daed8682493f8efbc49daff829f3c083228d791cb6cd4ced74b8367a
sha512 17f219a82202bfdbe493bb023d81a1cae06d84fcd2657382d4cfe559efe21b7fed9a39e63616fbfb070add1d5d2675c4f0c743ee0b4a4220a6eb1083e288d1f6
ripemd-160 d4e06e36d0e0dfdbc5379627d76c533285be16a1

21084871 as geometric shapes

Circle

Radius = n
Diameter 42169742
Circumference 132480151.67098
Area 1.3966634540215E+15

Sphere

Radius = n
Volume 3.9264625011277E+22
Surface area 5.586653816086E+15
Circumference 132480151.67098

Square

Length = n
Perimeter 84339484
Area 444571785086641
Diagonal 29818510.529087

Cube

Length = n
Surface area 2667430710519846
Volume 9.3737387387915E+21
Space diagonal 36520067.843036

Equilateral Triangle

Length = n
Perimeter 63254613
Area 1.9250522984541E+14
Altitude 18260033.921518

Triangular Pyramid

Length = n
Surface area 1.9250522984541E+14
Volume 1.1047057045451E+21
Height 9939503.5096957