21000949 (number)

21000949 is an odd 8-digits composite number following 21000948 and preceding 21000950. In scientific notation, it is written as 2.1000949 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 20599920 positive integers (up to 21000949) that are relatively prime to 21000949.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred forty-nine

Notation

Scientific notation 2.1000949 × 10^7
Engineering notation 2.1000949 × 10^6

Prime Factorization of 21000949

Prime Factorization 67 × 307 × 1021

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000949
Product of the distinct prime numbers

The prime factorization of 21000949 is 67 × 307 × 1021. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000949)

Multiplication

n×y
n×2 42001898
n×3 63002847
n×4 84003796
n×5 105004745

Division

n÷y
n÷2 10500474.5
n÷3 7000316.3333333
n÷3 5250237.25
n÷5 4200189.8

Exponentiation

ny
n2 441039858900601
n3 9.2622555837387E+21
n4 1.9451615713906E+29
n5 4.0850238957534E+36

Nth Root

y√n
2√n 4582.679238175
3√n 275.89657347875
4√n 67.69548905337
5√n 29.137197923392

Divisors of 21000949

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 -21000948
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 21000949 can be divided by 8 positive divisors. The sum of these divisors (counting 21000949) is 1, the average is 0.125.

Base conversion 21000949

Base System Value
2 Binary 1010000000111001011110101
3 Ternary 1110111221212221
4 Quaternary 1100013023311
5 Quinary 20334012244
6 Senary 2030042341
8 Octal 120071365
10 Decimal 21000949
12 Duodecimal 70493b1
16 Hexadecimal 14072f5
20 Vigesimal 6b5279
36 Base36 ci4fp

Cryptographic Hash Functions

md5 2deb50b8dfdc5a38438c33647c887ee0
sha1 215056728b0856af8b8f139feb7f5a069008fc53
sha256 736211f907d08c421874621cd0f995df700ddb59b13dd11556af5353ae88c587
sha512 6c1b86b96b4929386241397dccdbb96cd42d617b08e08f1af6cbedecc38493ff095219ac272795ceba9fa4235d89643ad7e52a08b8e671f277a3af8f69bf5b74
ripemd-160 663d9c132e8c1dcc0eecbe28be559a6051dce06a

21000949 as geometric shapes

Circle

Radius = n
Diameter 42001898
Circumference 131952854.19363
Area 1.3855675806624E+15

Sphere

Radius = n
Volume 3.8797645463393E+22
Surface area 5.5422703226496E+15
Circumference 131952854.19363

Square

Length = n
Perimeter 84003796
Area 441039858900601
Diagonal 29699826.898506

Cube

Length = n
Surface area 2646239153403606
Volume 9.2622555837387E+21
Space diagonal 36374710.675163

Equilateral Triangle

Length = n
Perimeter 63002847
Area 1.9097586094471E+14
Altitude 18187355.337581

Triangular Pyramid

Length = n
Surface area 1.9097586094471E+14
Volume 1.0915672887241E+21
Height 9899942.2995019