21371871 (number)

21371871 is an odd 8-digits composite number following 21371870 and preceding 21371872. In scientific notation, it is written as 2.1371871 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14247912 positive integers (up to 21371871) that are relatively prime to 21371871.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-one thousand eight hundred seventy-one

Notation

Scientific notation 2.1371871 × 10^7
Engineering notation 2.1371871 × 10^6

Prime Factorization of 21371871

Prime Factorization 3 × 7123957

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21371871
Product of the distinct prime numbers

The prime factorization of 21371871 is 3 × 7123957. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21371871)

Multiplication

n×y
n×2 42743742
n×3 64115613
n×4 85487484
n×5 106859355

Division

n÷y
n÷2 10685935.5
n÷3 7123957
n÷3 5342967.75
n÷5 4274374.2

Exponentiation

ny
n2 456756870040641
n3 9.7617489048723E+21
n4 2.0862683832932E+29
n5 4.4587458759121E+36

Nth Root

y√n
2√n 4622.9720959573
3√n 277.51141256529
4√n 67.992441461955
5√n 29.239403520019

Divisors of 21371871

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 -21371870
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 21371871 can be divided by 4 positive divisors. The sum of these divisors (counting 21371871) is 1, the average is 0.25.

Base conversion 21371871

Base System Value
2 Binary 1010001100001101111011111
3 Ternary 1111012210200210
4 Quaternary 1101201233133
5 Quinary 20432344441
6 Senary 2042023503
8 Octal 121415737
10 Decimal 21371871
12 Duodecimal 71a7b93
16 Hexadecimal 1461bdf
20 Vigesimal 6db9db
36 Base36 cq2n3

Cryptographic Hash Functions

md5 08e388946a2e44cb50198704aa540a88
sha1 374a5892d5e8213a307fe92b76ed58da9da2452e
sha256 ad3c7d14ce51001cbb94686d8ca6ec4dec3afcff5a988a9ac2deae924c57cbc3
sha512 116405450c52a89441168d07a81a255ab06b6ff699b3bf3b22375305ba1a32de71fad06fb8f5b02fb41d175dba583314390960c78f2eb7313fb8ac76e48699c7
ripemd-160 a818f6faa80d7e6033626e0677097a4e595b734a

21371871 as geometric shapes

Circle

Radius = n
Diameter 42743742
Circumference 134283425.85414
Area 1.4349440273963E+15

Sphere

Radius = n
Volume 4.0889918194314E+22
Surface area 5.7397761095854E+15
Circumference 134283425.85414

Square

Length = n
Perimeter 85487484
Area 456756870040641
Diagonal 30224389.821488

Cube

Length = n
Surface area 2740541220243846
Volume 9.7617489048723E+21
Space diagonal 37017166.424808

Equilateral Triangle

Length = n
Perimeter 64115613
Area 1.9778152640413E+14
Altitude 18508583.212404

Triangular Pyramid

Length = n
Surface area 1.9778152640413E+14
Volume 1.1504331411459E+21
Height 10074796.607163