21031795 (number)

21031795 is an odd 8-digits composite number following 21031794 and preceding 21031796. In scientific notation, it is written as 2.1031795 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 15930720 positive integers (up to 21031795) that are relatively prime to 21031795.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand seven hundred ninety-five

Notation

Scientific notation 2.1031795 × 10^7
Engineering notation 2.1031795 × 10^6

Prime Factorization of 21031795

Prime Factorization 5 × 31 × 47 × 2887

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031795
Product of the distinct prime numbers

The prime factorization of 21031795 is 5 × 31 × 47 × 2887. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 87, 38, 11, 688, 6716, 7732, 57862, 54114, 229785, 291987, 9680084, 3933673, 9029908, 94558448, 510958099, 664218373, 7401157301, 3576137720

Basic calculations (n = 21031795)

Multiplication

n×y
n×2 42063590
n×3 63095385
n×4 84127180
n×5 105158975

Division

n÷y
n÷2 10515897.5
n÷3 7010598.3333333
n÷3 5257948.75
n÷5 4206359

Exponentiation

ny
n2 442336400922025
n3 9.3031285052298E+21
n4 1.9566149158065E+29
n5 4.1151123803185E+36

Nth Root

y√n
2√n 4586.0435017562
3√n 276.03158551214
4√n 67.720333000925
5√n 29.145752188557

Divisors of 21031795

1, 5, 31, 47, 155, 235, 1457, 2887, 7285, 14435, 89497, 135689, 447485, 678445, 4206359, 21031795

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 -21031794
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 21031795 can be divided by 16 positive divisors. The sum of these divisors (counting 21031795) is 1, the average is 0.0625.

Base conversion 21031795

Base System Value
2 Binary 1010000001110101101110011
3 Ternary 1110120112012101
4 Quaternary 1100032231303
5 Quinary 20341004140
6 Senary 2030441231
8 Octal 120165563
10 Decimal 21031795
12 Duodecimal 7063217
16 Hexadecimal 140eb73
20 Vigesimal 6b8j9f
36 Base36 cis8j

Cryptographic Hash Functions

md5 375a9b2b51b988dad854c5db02418e3c
sha1 ab7d4d54924e1d62858ca0878d2384a3338bbc98
sha256 fe588c6718900a45b471ddb14c844e7ff6bb02efe50f2f0417ce1c3002bf521a
sha512 bf81a5f57efa8c9bbd673ed41a3ed9694416622aee639eaa6329bf32b9afbd2a0fbae50650bf4bef6ae778bb61506f244fc9ec88e057b3179c048fb87c1d855b
ripemd-160 a0441e76fbe6866708ac5f9c9022232bfda7db61

21031795 as geometric shapes

Circle

Radius = n
Diameter 42063590
Circumference 132146665.32761
Area 1.389640787552E+15

Sphere

Radius = n
Volume 3.8968853556576E+22
Surface area 5.5585631502079E+15
Circumference 132146665.32761

Square

Length = n
Perimeter 84127180
Area 442336400922025
Diagonal 29743449.730051

Cube

Length = n
Surface area 2654018405532150
Volume 9.3031285052298E+21
Space diagonal 36428137.514373

Equilateral Triangle

Length = n
Perimeter 63095385
Area 1.9153728010853E+14
Altitude 18214068.757187

Triangular Pyramid

Length = n
Surface area 1.9153728010853E+14
Volume 1.0963842087163E+21
Height 9914483.2433502