21003871 (number)

21003871 is an odd 8-digits composite number following 21003870 and preceding 21003872. In scientific notation, it is written as 2.1003871 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 18003312 positive integers (up to 21003871) that are relatively prime to 21003871.

Interesting facts

Basic properties

Name

Name twenty-one million three thousand eight hundred seventy-one

Notation

Scientific notation 2.1003871 × 10^7
Engineering notation 2.1003871 × 10^6

Prime Factorization of 21003871

Prime Factorization 7 × 3000553

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21003871
Product of the distinct prime numbers

The prime factorization of 21003871 is 7 × 3000553. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21003871)

Multiplication

n×y
n×2 42007742
n×3 63011613
n×4 84015484
n×5 105019355

Division

n÷y
n÷2 10501935.5
n÷3 7001290.3333333
n÷3 5250967.75
n÷5 4200774.2

Exponentiation

ny
n2 441162596984641
n3 9.2661222770904E+21
n4 1.9462443697823E+29
n5 4.0878665677384E+36

Nth Root

y√n
2√n 4582.9980362204
3√n 275.90936865294
4√n 67.697843660049
5√n 29.138008688223

Divisors of 21003871

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 -21003870
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 21003871 can be divided by 4 positive divisors. The sum of these divisors (counting 21003871) is 1, the average is 0.25.

Base conversion 21003871

Base System Value
2 Binary 1010000000111111001011111
3 Ternary 1110112002220011
4 Quaternary 1100013321133
5 Quinary 20334110441
6 Senary 2030104051
8 Octal 120077137
10 Decimal 21003871
12 Duodecimal 704b027
16 Hexadecimal 1407e5f
20 Vigesimal 6b59db
36 Base36 ci6ov

Cryptographic Hash Functions

md5 56b0ad9c3208b11d4134587ae7c64376
sha1 ced3ff9db9990a393249d70373956ba4e42bff86
sha256 8a34bcd2ad2e725b98d26cbf17b1114b5f3719d2f27c66da9913149a77624fbc
sha512 c2ba36e2f61605083399029d2a512d879267798a7b3551fb262d997fa1075fb7471e419f6ef032134947c3c539b1eb27017768d09e75e4499e0e4c3010d3208c
ripemd-160 583c03633276d4c357fe45bf60f7e92775fc6590

21003871 as geometric shapes

Circle

Radius = n
Diameter 42007742
Circumference 131971213.6611
Area 1.3859531737255E+15

Sphere

Radius = n
Volume 3.8813842230629E+22
Surface area 5.5438126949022E+15
Circumference 131971213.6611

Square

Length = n
Perimeter 84015484
Area 441162596984641
Diagonal 29703959.230535

Cube

Length = n
Surface area 2646975581907846
Volume 9.2661222770904E+21
Space diagonal 36379771.727623

Equilateral Triangle

Length = n
Perimeter 63011613
Area 1.9102900809411E+14
Altitude 18189885.863811

Triangular Pyramid

Length = n
Surface area 1.9102900809411E+14
Volume 1.0920229829057E+21
Height 9901319.7435116