21131845 (number)

21131845 is an odd 8-digits composite number following 21131844 and preceding 21131846. In scientific notation, it is written as 2.1131845 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 14405184 positive integers (up to 21131845) that are relatively prime to 21131845.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131845 × 10^7
Engineering notation 2.1131845 × 10^6

Prime Factorization of 21131845

Prime Factorization 35 × 179 × 3373

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21131845
Product of the distinct prime numbers

The prime factorization of 21131845 is 35 × 179 × 3373. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 2, 87, 8, 485, 272, 569, 6845, 33120, 70764, 560835, 853250, 8955317, 5686076, 40079728, 35984693, 252534345, 630203045, 5940281895, 5100670536

Basic calculations (n = 21131845)

Multiplication

n×y
n×2 42263690
n×3 63395535
n×4 84527380
n×5 105659225

Division

n÷y
n÷2 10565922.5
n÷3 7043948.3333333
n÷3 5282961.25
n÷5 4226369

Exponentiation

ny
n2 446554873104025
n3 9.4365283624289E+21
n4 1.9941125469295E+29
n5 4.213927725427E+36

Nth Root

y√n
2√n 4596.9386552357
3√n 276.46859502464
4√n 67.800727542082
5√n 29.173429327551

Divisors of 21131845

1, 35, 179, 3373, 6265, 118055, 603767, 21131845

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 -21131844
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 21131845 can be divided by 8 positive divisors. The sum of these divisors (counting 21131845) is 1, the average is 0.125.

Base conversion 21131845

Base System Value
2 Binary 1010000100111001001000101
3 Ternary 1110202121102221
4 Quaternary 1100213021011
5 Quinary 20402204340
6 Senary 2032532341
8 Octal 120471105
10 Decimal 21131845
12 Duodecimal 70b10b1
16 Hexadecimal 1427245
20 Vigesimal 6c19c5
36 Base36 ckxfp

Cryptographic Hash Functions

md5 f69c5e68e4f82099d79855ab4924f98f
sha1 58da1c1678f12073dea41ad76f85b08950a0970b
sha256 9a2ae83c4f11df2fe75bce3fee908bfbfb9a6b893f062f7efd37fcc506d3d640
sha512 5b29d77e2c472aa8c86d72676ebf75df279d1a26c86bb72d7b5b1f7be9e92aae97ba8be04b5812ada334d06fd58fc632523a0c685cfe8b79dd4dd9a030cd981c
ripemd-160 611dca4f627a2334a9b951fdd23a3bd3bb33103a

21131845 as geometric shapes

Circle

Radius = n
Diameter 42263690
Circumference 132775298.0176
Area 1.4028935087683E+15

Sphere

Radius = n
Volume 3.9527637571731E+22
Surface area 5.6115740350733E+15
Circumference 132775298.0176

Square

Length = n
Perimeter 84527380
Area 446554873104025
Diagonal 29884941.796966

Cube

Length = n
Surface area 2679329238624150
Volume 9.4365283624289E+21
Space diagonal 36601429.19767

Equilateral Triangle

Length = n
Perimeter 63395535
Area 1.9336393214591E+14
Altitude 18300714.598835

Triangular Pyramid

Length = n
Surface area 1.9336393214591E+14
Volume 1.1121055326554E+21
Height 9961647.2656554