21031545 (number)

21031545 is an odd 8-digits composite number following 21031544 and preceding 21031546. In scientific notation, it is written as 2.1031545 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 10728960 positive integers (up to 21031545) that are relatively prime to 21031545.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand five hundred forty-five

Notation

Scientific notation 2.1031545 × 10^7
Engineering notation 2.1031545 × 10^6

Prime Factorization of 21031545

Prime Factorization 5 × 3 × 23 × 60961

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031545
Product of the distinct prime numbers

The prime factorization of 21031545 is 5 × 3 × 23 × 60961. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 83, 51, 791, 3, 7811, 6526, 53507, 46204, 337571, 459697, 82296, 4995644, 86261502, 63496628, 613174992, 223391170, 184087802, 2822170936

Basic calculations (n = 21031545)

Multiplication

n×y
n×2 42063090
n×3 63094635
n×4 84126180
n×5 105157725

Division

n÷y
n÷2 10515772.5
n÷3 7010515
n÷3 5257886.25
n÷5 4206309

Exponentiation

ny
n2 442325885087025
n3 9.3027967568726E+21
n4 1.9565218861802E+29
n5 4.1148678092684E+36

Nth Root

y√n
2√n 4586.016245065
3√n 276.0304918003
4√n 67.720131756111
5√n 29.145682898487

Divisors of 21031545

1, 3, 5, 15, 23, 69, 115, 345, 60961, 182883, 304805, 914415, 1402103, 4206309, 7010515, 21031545

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031544
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031545 can be divided by 16 positive divisors. The sum of these divisors (counting 21031545) is 1, the average is 0.0625.

Base conversion 21031545

Base System Value
2 Binary 1010000001110101001111001
3 Ternary 1110120111212010
4 Quaternary 1100032221321
5 Quinary 20341002140
6 Senary 2030440133
8 Octal 120165171
10 Decimal 21031545
12 Duodecimal 7063049
16 Hexadecimal 140ea79
20 Vigesimal 6b8ih5
36 Base36 cis1l

Cryptographic Hash Functions

md5 49b1ba2d61b4db9e4fa7110ab4446267
sha1 b84d7488897fb78a4a39526e683566862161a74c
sha256 ef5aba2747f7017969ff4571efe48512edf6c3426c1680338744929faba70d0b
sha512 401143eae391f38479b21619e5e28143996b4b98a622f5f461ad28205be5b4c248edababbd9d37d704f36791fcd385fa5f2b16dea30b758af70f93d03f9ad12d
ripemd-160 2dbf97c77eda669061bf6f5717f464795c56b9c7

21031545 as geometric shapes

Circle

Radius = n
Diameter 42063090
Circumference 132145094.53129
Area 1.389607751082E+15

Sphere

Radius = n
Volume 3.8967463932307E+22
Surface area 5.558431004328E+15
Circumference 132145094.53129

Square

Length = n
Perimeter 84126180
Area 442325885087025
Diagonal 29743096.17666

Cube

Length = n
Surface area 2653955310522150
Volume 9.3027967568726E+21
Space diagonal 36427704.501671

Equilateral Triangle

Length = n
Perimeter 63094635
Area 1.915327266184E+14
Altitude 18213852.250836

Triangular Pyramid

Length = n
Surface area 1.915327266184E+14
Volume 1.0963451117975E+21
Height 9914365.39222