21001045 (number)

21001045 is an odd 8-digits composite number following 21001044 and preceding 21001046. In scientific notation, it is written as 2.1001045 × 10^7. The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors. There are 15508416 positive integers (up to 21001045) that are relatively prime to 21001045.

Interesting facts

Basic properties

Name

Name twenty-one million one thousand forty-five

Notation

Scientific notation 2.1001045 × 10^7
Engineering notation 2.1001045 × 10^6

Prime Factorization of 21001045

Prime Factorization 13 × 5 × 323093

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21001045
Product of the distinct prime numbers

The prime factorization of 21001045 is 13 × 5 × 323093. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21001045)

Multiplication

n×y
n×2 42002090
n×3 63003135
n×4 84004180
n×5 105005225

Division

n÷y
n÷2 10500522.5
n÷3 7000348.3333333
n÷3 5250261.25
n÷5 4200209

Exponentiation

ny
n2 441043891092025
n3 9.2623826037987E+21
n4 1.9451971386959E+29
n5 4.0851172643625E+36

Nth Root

y√n
2√n 4582.6897123851
3√n 275.89699387294
4√n 67.695566416015
5√n 29.137224561863

Divisors of 21001045

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 -21001044
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 21001045 can be divided by 8 positive divisors. The sum of these divisors (counting 21001045) is 1, the average is 0.125.

Base conversion 21001045

Base System Value
2 Binary 1010000000111001101010101
3 Ternary 1110111222000111
4 Quaternary 1100013031111
5 Quinary 20334013140
6 Senary 2030043021
8 Octal 120071525
10 Decimal 21001045
12 Duodecimal 7049471
16 Hexadecimal 1407355
20 Vigesimal 6b52c5
36 Base36 ci4id

Cryptographic Hash Functions

md5 ade9f68dab9c18cc2e059859d1296365
sha1 49af02b6d65671223125331782126b0602474920
sha256 8ccec4362239f54468330428efec980e9bbf25732e12b8369b843872f3943c71
sha512 7747118665c54bf4515ec2d341905f467aa952e5d414607f44ee62611d42c3cdbc3d54c84ce90142ea8593fe13573e895ff95ae779058d0fd7f2f433e953b942
ripemd-160 8175bf6b3d0fb55d269b16fbfc5f809f202acb40

21001045 as geometric shapes

Circle

Radius = n
Diameter 42002090
Circumference 131953457.37942
Area 1.3855802481654E+15

Sphere

Radius = n
Volume 3.8798177523776E+22
Surface area 5.5423209926614E+15
Circumference 131953457.37942

Square

Length = n
Perimeter 84004180
Area 441043891092025
Diagonal 29699962.663008

Cube

Length = n
Surface area 2646263346552150
Volume 9.2623826037987E+21
Space diagonal 36374876.95204

Equilateral Triangle

Length = n
Perimeter 63003135
Area 1.9097760693482E+14
Altitude 18187438.47602

Triangular Pyramid

Length = n
Surface area 1.9097760693482E+14
Volume 1.0915822581817E+21
Height 9899987.5543359