21231251 (number)

21231251 is an odd 8-digits composite number following 21231250 and preceding 21231252. In scientific notation, it is written as 2.1231251 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 21210000 positive integers (up to 21231251) that are relatively prime to 21231251.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-one thousand two hundred fifty-one

Notation

Scientific notation 2.1231251 × 10^7
Engineering notation 2.1231251 × 10^6

Prime Factorization of 21231251

Prime Factorization 1051 × 20201

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21231251
Product of the distinct prime numbers

The prime factorization of 21231251 is 1051 × 20201. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21231251)

Multiplication

n×y
n×2 42462502
n×3 63693753
n×4 84925004
n×5 106156255

Division

n÷y
n÷2 10615625.5
n÷3 7077083.6666667
n÷3 5307812.75
n÷5 4246250.2

Exponentiation

ny
n2 450766019025001
n3 9.5703264921906E+21
n4 2.0319000390765E+29
n5 4.3139779736542E+36

Nth Root

y√n
2√n 4607.7381653041
3√n 276.9014276503
4√n 67.880322371834
5√n 29.200824687508

Divisors of 21231251

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 -21231250
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 21231251 can be divided by 4 positive divisors. The sum of these divisors (counting 21231251) is 1, the average is 0.25.

Base conversion 21231251

Base System Value
2 Binary 1010000111111011010010011
3 Ternary 1110221122210122
4 Quaternary 1100333122103
5 Quinary 20413400001
6 Senary 2035020455
8 Octal 120773223
10 Decimal 21231251
12 Duodecimal 713a72b
16 Hexadecimal 143f693
20 Vigesimal 6cdi2b
36 Base36 cn24z

Cryptographic Hash Functions

md5 7d6d1e1ba0544cc4f5c7f76f4baf6571
sha1 b59be834ff56aaa001d0a3027f51062f2672c2c8
sha256 d1bf60f87fad630bd5fa776327550ac71201325341116790b207ab3a76a8a979
sha512 4b463f52e1854d875656d26e065ba0baf400341287fc22db79b662e2f70376a5cfd7980281f2a533a9636b4d9b50a7fbb6d6b3472a053ea93176ec69ec0f2b55
ripemd-160 d81568a10f2c9320fde57efbd511151a2b725a30

21231251 as geometric shapes

Circle

Radius = n
Diameter 42462502
Circumference 133399884.33624
Area 1.4161232138569E+15

Sphere

Radius = n
Volume 4.0088089867096E+22
Surface area 5.6644928554274E+15
Circumference 133399884.33624

Square

Length = n
Perimeter 84925004
Area 450766019025001
Diagonal 30025523.110347

Cube

Length = n
Surface area 2704596114150006
Volume 9.5703264921906E+21
Space diagonal 36773605.440248

Equilateral Triangle

Length = n
Perimeter 63693753
Area 1.9518741181922E+14
Altitude 18386802.720124

Triangular Pyramid

Length = n
Surface area 1.9518741181922E+14
Volume 1.1278737934662E+21
Height 10008507.703449