21271805 (number)

21271805 is an odd 8-digits composite number following 21271804 and preceding 21271806. In scientific notation, it is written as 2.1271805 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 17017440 positive integers (up to 21271805) that are relatively prime to 21271805.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-one thousand eight hundred five

Notation

Scientific notation 2.1271805 × 10^7
Engineering notation 2.1271805 × 10^6

Prime Factorization of 21271805

Prime Factorization 5 × 4254361

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21271805
Product of the distinct prime numbers

The prime factorization of 21271805 is 5 × 4254361. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21271805)

Multiplication

n×y
n×2 42543610
n×3 63815415
n×4 85087220
n×5 106359025

Division

n÷y
n÷2 10635902.5
n÷3 7090601.6666667
n÷3 5317951.25
n÷5 4254361

Exponentiation

ny
n2 452489687958025
n3 9.625272406754E+21
n4 2.0474691770835E+29
n5 4.3553365078431E+36

Nth Root

y√n
2√n 4612.1367065602
3√n 277.07761946999
4√n 67.912713880099
5√n 29.211971524703

Divisors of 21271805

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21271804
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21271805 can be divided by 4 positive divisors. The sum of these divisors (counting 21271805) is 1, the average is 0.25.

Base conversion 21271805

Base System Value
2 Binary 1010001001001010011111101
3 Ternary 1111000201102122
4 Quaternary 1101021103331
5 Quinary 20421144210
6 Senary 2035532325
8 Octal 121112375
10 Decimal 21271805
12 Duodecimal 715a0a5
16 Hexadecimal 14494fd
20 Vigesimal 6cija5
36 Base36 cnxfh

Cryptographic Hash Functions

md5 b452b2f12ecc8c9f9a2719c024e4d640
sha1 9c9da2dd03db4f91311a8d61f12ab977bb83b1bb
sha256 97ae9d081c77330629a570f19acf3f24898ee6f65ce10314fdfd4ac2e12824cc
sha512 c3006aead359167e606db3da3759771880156d0b71b96b3b01612486a2cc5af53f020c392762e12f792bd76d0e7ed5f2fc52d7814a3dbb61ee5f350400971957
ripemd-160 98855d10c3e6df7771a5ff3c27c637eec5485fe6

21271805 as geometric shapes

Circle

Radius = n
Diameter 42543610
Circumference 133654692.63319
Area 1.4215382795141E+15

Sphere

Radius = n
Volume 4.0318246775812E+22
Surface area 5.6861531180563E+15
Circumference 133654692.63319

Square

Length = n
Perimeter 85087220
Area 452489687958025
Diagonal 30082875.127156

Cube

Length = n
Surface area 2714938127748150
Volume 9.625272406754E+21
Space diagonal 36843847.028698

Equilateral Triangle

Length = n
Perimeter 63815415
Area 1.9593378236107E+14
Altitude 18421923.514349

Triangular Pyramid

Length = n
Surface area 1.9593378236107E+14
Volume 1.1343492315972E+21
Height 10027625.042385