21271807 (number)

21271807 is an odd 8-digits composite number following 21271806 and preceding 21271808. In scientific notation, it is written as 2.1271807 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 21254040 positive integers (up to 21271807) that are relatively prime to 21271807.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1271807 × 10^7
Engineering notation 2.1271807 × 10^6

Prime Factorization of 21271807

Prime Factorization 1291 × 16477

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21271807
Product of the distinct prime numbers

The prime factorization of 21271807 is 1291 × 16477. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21271807)

Multiplication

n×y
n×2 42543614
n×3 63815421
n×4 85087228
n×5 106359035

Division

n÷y
n÷2 10635903.5
n÷3 7090602.3333333
n÷3 5317951.75
n÷5 4254361.4

Exponentiation

ny
n2 452489773045249
n3 9.6252751216923E+21
n4 2.0474699471054E+29
n5 4.3553385553126E+36

Nth Root

y√n
2√n 4612.1369233794
3√n 277.07762815371
4√n 67.912715476407
5√n 29.211972074012

Divisors of 21271807

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 -21271806
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 21271807 can be divided by 4 positive divisors. The sum of these divisors (counting 21271807) is 1, the average is 0.25.

Base conversion 21271807

Base System Value
2 Binary 1010001001001010011111111
3 Ternary 1111000201102201
4 Quaternary 1101021103333
5 Quinary 20421144212
6 Senary 2035532331
8 Octal 121112377
10 Decimal 21271807
12 Duodecimal 715a0a7
16 Hexadecimal 14494ff
20 Vigesimal 6cija7
36 Base36 cnxfj

Cryptographic Hash Functions

md5 e02c2a117a31dbb1f2747f195b8a4d5c
sha1 4b02c5fde569cb09ff3425c00bb3d6d2d162d480
sha256 ecd0393c2ea41a96f55fde96a71ce376a69690606f8923e9c941ea5b34594a87
sha512 2fa34e8877f0ab5939b932a9e14e3f534485ee67bc7c4b612ae25189ee488ac1ca35cca30a6039c863641d6afe0a8f397f65f1622498b883734c812d15e54f0f
ripemd-160 23e794f948b13c1c91186798335feb87d19a3e97

21271807 as geometric shapes

Circle

Radius = n
Diameter 42543614
Circumference 133654705.19956
Area 1.4215385468235E+15

Sphere

Radius = n
Volume 4.0318258148119E+22
Surface area 5.6861541872939E+15
Circumference 133654705.19956

Square

Length = n
Perimeter 85087228
Area 452489773045249
Diagonal 30082877.955583

Cube

Length = n
Surface area 2714938638271494
Volume 9.6252751216923E+21
Space diagonal 36843850.492799

Equilateral Triangle

Length = n
Perimeter 63815421
Area 1.9593381920492E+14
Altitude 18421925.2464

Triangular Pyramid

Length = n
Surface area 1.9593381920492E+14
Volume 1.1343495515558E+21
Height 10027625.985194