21431851 (number)

21431851 is an odd 8-digits composite number following 21431850 and preceding 21431852. In scientific notation, it is written as 2.1431851 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 18118080 positive integers (up to 21431851) that are relatively prime to 21431851.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-one thousand eight hundred fifty-one

Notation

Scientific notation 2.1431851 × 10^7
Engineering notation 2.1431851 × 10^6

Prime Factorization of 21431851

Prime Factorization 7 × 73 × 41941

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21431851
Product of the distinct prime numbers

The prime factorization of 21431851 is 7 × 73 × 41941. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21431851)

Multiplication

n×y
n×2 42863702
n×3 64295553
n×4 85727404
n×5 107159255

Division

n÷y
n÷2 10715925.5
n÷3 7143950.3333333
n÷3 5357962.75
n÷5 4286370.2

Exponentiation

ny
n2 459324237286201
n3 9.8441686142065E+21
n4 2.1097875495855E+29
n5 4.5216652404372E+36

Nth Root

y√n
2√n 4629.4547195107
3√n 277.77078132897
4√n 68.04009641021
5√n 29.255797161401

Divisors of 21431851

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 -21431850
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 21431851 can be divided by 8 positive divisors. The sum of these divisors (counting 21431851) is 1, the average is 0.125.

Base conversion 21431851

Base System Value
2 Binary 1010001110000011000101011
3 Ternary 1111022211222021
4 Quaternary 1101300120223
5 Quinary 20441304401
6 Senary 2043205311
8 Octal 121603053
10 Decimal 21431851
12 Duodecimal 7216837
16 Hexadecimal 147062b
20 Vigesimal 6dijcb
36 Base36 crcx7

Cryptographic Hash Functions

md5 e8676ae2eeffbb75e1e9c4a91a3ed4db
sha1 a6886ddb4d93c9662387ebcaa0d4331faf0c048d
sha256 b8c22681c0cc862389313b60c9e63859bc05da751a1bfe25ba9e990ba6ed1c42
sha512 d499f783ed9d1740196c291847ff0d12730f7a6f4e79a8a879281818a1e5b7f0f9d9fda25f20a748134524cfe63002d6ae43663ecb040b2331016aa775b0a522
ripemd-160 051892005ea5dfeac2bc70dc999bfde8f1d54b41

21431851 as geometric shapes

Circle

Radius = n
Diameter 42863702
Circumference 134660291.30886
Area 1.4430096494741E+15

Sphere

Radius = n
Volume 4.1235157065454E+22
Surface area 5.7720385978963E+15
Circumference 134660291.30886

Square

Length = n
Perimeter 85727404
Area 459324237286201
Diagonal 30309214.350959

Cube

Length = n
Surface area 2755945423717206
Volume 9.8441686142065E+21
Space diagonal 37121054.832246

Equilateral Triangle

Length = n
Perimeter 64295553
Area 1.9889322903188E+14
Altitude 18560527.416123

Triangular Pyramid

Length = n
Surface area 1.9889322903188E+14
Volume 1.1601463970415E+21
Height 10103071.45032