21206871 (number)

21206871 is an odd 8-digits composite number following 21206870 and preceding 21206872. In scientific notation, it is written as 2.1206871 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 11404800 positive integers (up to 21206871) that are relatively prime to 21206871.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1206871 × 10^7
Engineering notation 2.1206871 × 10^6

Prime Factorization of 21206871

Prime Factorization 17 × 63 × 19801

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21206871
Product of the distinct prime numbers

The prime factorization of 21206871 is 17 × 63 × 19801. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21206871)

Multiplication

n×y
n×2 42413742
n×3 63620613
n×4 84827484
n×5 106034355

Division

n÷y
n÷2 10603435.5
n÷3 7068957
n÷3 5301717.75
n÷5 4241374.2

Exponentiation

ny
n2 449731377610641
n3 9.5373953096412E+21
n4 2.0225831200756E+29
n5 4.2892659314222E+36

Nth Root

y√n
2√n 4605.0918557614
3√n 276.79539774694
4√n 67.860827107849
5√n 29.194115301134

Divisors of 21206871

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 -21206870
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 21206871 can be divided by 8 positive divisors. The sum of these divisors (counting 21206871) is 1, the average is 0.125.

Base conversion 21206871

Base System Value
2 Binary 1010000111001011101010111
3 Ternary 1110220102100200
4 Quaternary 1100321131113
5 Quinary 20412104441
6 Senary 2034311543
8 Octal 120713527
10 Decimal 21206871
12 Duodecimal 71285b3
16 Hexadecimal 1439757
20 Vigesimal 6cah3b
36 Base36 cmjbr

Cryptographic Hash Functions

md5 d710b7de1e9d012e3536e14f24010dfd
sha1 eeb8147d4153527b084fc65e4ed3239c161ed2dc
sha256 75f455533173439fbff646958c9f0b48aae8dd3e8d1ad90951e6540aca6e3316
sha512 48612d5c2b7f7e27a62390f2ad659d7f76886a4cdd6cf29a106bbc96d49718ebba4ddd1dc2b37b8ed2f7b916fdac0caa12e9f52624063bbcd2da2ecce05d5f9e
ripemd-160 bbfa82fa7a98242482efcbb701ba7ecd9c09ec8e

21206871 as geometric shapes

Circle

Radius = n
Diameter 42413742
Circumference 133246700.27845
Area 1.4128727919904E+15

Sphere

Radius = n
Volume 3.9950148052201E+22
Surface area 5.6514911679616E+15
Circumference 133246700.27845

Square

Length = n
Perimeter 84827484
Area 449731377610641
Diagonal 29991044.583697

Cube

Length = n
Surface area 2698388265663846
Volume 9.5373953096412E+21
Space diagonal 36731378.041559

Equilateral Triangle

Length = n
Perimeter 63620613
Area 1.9473939894489E+14
Altitude 18365689.02078

Triangular Pyramid

Length = n
Surface area 1.9473939894489E+14
Volume 1.123992816384E+21
Height 9997014.8612322