21351245 (number)

21351245 is an odd 8-digits composite number following 21351244 and preceding 21351246. In scientific notation, it is written as 2.1351245 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 16262400 positive integers (up to 21351245) that are relatively prime to 21351245.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-one thousand two hundred forty-five

Notation

Scientific notation 2.1351245 × 10^7
Engineering notation 2.1351245 × 10^6

Prime Factorization of 21351245

Prime Factorization 5 × 23 × 463 × 401

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21351245
Product of the distinct prime numbers

The prime factorization of 21351245 is 5 × 23 × 463 × 401. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 41, 48, 331, 936, 6916, 4379, 94590, 81386, 634054, 523113, 5612056, 6382074, 4149435, 60997442, 964434966, 215295919, 8648043321, 7523520708

Basic calculations (n = 21351245)

Multiplication

n×y
n×2 42702490
n×3 64053735
n×4 85404980
n×5 106756225

Division

n÷y
n÷2 10675622.5
n÷3 7117081.6666667
n÷3 5337811.25
n÷5 4270249

Exponentiation

ny
n2 455875663050025
n3 9.7335129713185E+21
n4 2.078226201613E+29
n5 4.4372716796059E+36

Nth Root

y√n
2√n 4620.7407414829
3√n 277.42210837695
4√n 67.976030639358
5√n 29.233757548362

Divisors of 21351245

1, 5, 23, 115, 401, 463, 2005, 2315, 9223, 10649, 46115, 53245, 185663, 928315, 4270249, 21351245

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21351244
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21351245 can be divided by 16 positive divisors. The sum of these divisors (counting 21351245) is 1, the average is 0.0625.

Base conversion 21351245

Base System Value
2 Binary 1010001011100101101001101
3 Ternary 1111011202101212
4 Quaternary 1101130231031
5 Quinary 20431214440
6 Senary 2041344205
8 Octal 121345515
10 Decimal 21351245
12 Duodecimal 7198065
16 Hexadecimal 145cb4d
20 Vigesimal 6d8i25
36 Base36 cpmq5

Cryptographic Hash Functions

md5 dc70b4ec8d31c08fa25c39d2187974af
sha1 e491f4f61e68b69848718d3ea8e4b8f798c36052
sha256 b2ccfb3e5ffa278e913892c39f81a9e22054ed6fd97c09cbc62c9d2f94171645
sha512 83ce2d69fdd4975a0b6c583700b69ff089fc82554afdebcfc2c469d5f067f82415b126c64bc989b1beeb2380c940f0dfafe7a23a60ae1b2c63a7d0080a35b1f0
ripemd-160 82f0cd8d29c0037e41a58b39dcdfc88d70bd07ea

21351245 as geometric shapes

Circle

Radius = n
Diameter 42702490
Circumference 134153828.87399
Area 1.4321756339883E+15

Sphere

Radius = n
Volume 4.077164379242E+22
Surface area 5.7287025359533E+15
Circumference 134153828.87399

Square

Length = n
Perimeter 85404980
Area 455875663050025
Diagonal 30195220.252551

Cube

Length = n
Surface area 2735253978300150
Volume 9.7335129713185E+21
Space diagonal 36981441.144851

Equilateral Triangle

Length = n
Perimeter 64053735
Area 1.973999525842E+14
Altitude 18490720.572425

Triangular Pyramid

Length = n
Surface area 1.973999525842E+14
Volume 1.1471055044644E+21
Height 10065073.417517