21001047 (number)

21001047 is an odd 8-digits composite number following 21001046 and preceding 21001048. In scientific notation, it is written as 2.1001047 × 10^7. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 13391928 positive integers (up to 21001047) that are relatively prime to 21001047.

Interesting facts

Basic properties

Name

Name twenty-one million one thousand forty-seven

Notation

Scientific notation 2.1001047 × 10^7
Engineering notation 2.1001047 × 10^6

Prime Factorization of 21001047

Prime Factorization 3 × 23 × 304363

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21001047
Product of the distinct prime numbers

The prime factorization of 21001047 is 3 × 23 × 304363. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21001047)

Multiplication

n×y
n×2 42002094
n×3 63003141
n×4 84004188
n×5 105005235

Division

n÷y
n÷2 10500523.5
n÷3 7000349
n÷3 5250261.75
n÷5 4200209.4

Exponentiation

ny
n2 441043975096209
n3 9.2623852500623E+21
n4 1.9451978796867E+29
n5 4.08511920956E+36

Nth Root

y√n
2√n 4582.6899305975
3√n 275.89700263114
4√n 67.695568027734
5√n 29.13722511683

Divisors of 21001047

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 -21001046
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 21001047 can be divided by 8 positive divisors. The sum of these divisors (counting 21001047) is 1, the average is 0.125.

Base conversion 21001047

Base System Value
2 Binary 1010000000111001101010111
3 Ternary 1110111222000120
4 Quaternary 1100013031113
5 Quinary 20334013142
6 Senary 2030043023
8 Octal 120071527
10 Decimal 21001047
12 Duodecimal 7049473
16 Hexadecimal 1407357
20 Vigesimal 6b52c7
36 Base36 ci4if

Cryptographic Hash Functions

md5 5c27d547d1eab31218a48b3d8e47a94b
sha1 da98fada1f722ca8b3963f9c2f34940a68998e94
sha256 3b32dcf3d253fa071b2ffa5d2daa557818f5f779a4c975ec338343341b78f67b
sha512 3fc5eb22a7cabff2385aaebcbc614f58281d48bf0ad8e5a6d95c6dadb49e022b1f6a1748da0a7502cd1b54a950559e6fd5672bbc3d52a9b42cc2b3966436f581
ripemd-160 a6a2112b9a0dc0ddf212b05eedc1d68bffe43657

21001047 as geometric shapes

Circle

Radius = n
Diameter 42002094
Circumference 131953469.94579
Area 1.3855805120723E+15

Sphere

Radius = n
Volume 3.8798188608419E+22
Surface area 5.5423220482892E+15
Circumference 131953469.94579

Square

Length = n
Perimeter 84004188
Area 441043975096209
Diagonal 29699965.491435

Cube

Length = n
Surface area 2646263850577254
Volume 9.2623852500623E+21
Space diagonal 36374880.416142

Equilateral Triangle

Length = n
Perimeter 63003141
Area 1.9097764330969E+14
Altitude 18187440.208071

Triangular Pyramid

Length = n
Surface area 1.9097764330969E+14
Volume 1.0915825700469E+21
Height 9899988.4971449