21241915 (number)

21241915 is an odd 8-digits composite number following 21241914 and preceding 21241916. In scientific notation, it is written as 2.1241915 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 16778112 positive integers (up to 21241915) that are relatively prime to 21241915.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-one thousand nine hundred fifteen

Notation

Scientific notation 2.1241915 × 10^7
Engineering notation 2.1241915 × 10^6

Prime Factorization of 21241915

Prime Factorization 79 × 5 × 53777

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21241915
Product of the distinct prime numbers

The prime factorization of 21241915 is 79 × 5 × 53777. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21241915)

Multiplication

n×y
n×2 42483830
n×3 63725745
n×4 84967660
n×5 106209575

Division

n÷y
n÷2 10620957.5
n÷3 7080638.3333333
n÷3 5310478.75
n÷5 4248383

Exponentiation

ny
n2 451218952867225
n3 9.5847546431946E+21
n4 2.035985434266E+29
n5 4.3248229535915E+36

Nth Root

y√n
2√n 4608.8952038422
3√n 276.94778043114
4√n 67.888844472728
5√n 29.203757487369

Divisors of 21241915

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 -21241914
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 21241915 can be divided by 8 positive divisors. The sum of these divisors (counting 21241915) is 1, the average is 0.125.

Base conversion 21241915

Base System Value
2 Binary 1010001000010000000111011
3 Ternary 1110222012102121
4 Quaternary 1101002000323
5 Quinary 20414220130
6 Senary 2035142111
8 Octal 121020073
10 Decimal 21241915
12 Duodecimal 7144937
16 Hexadecimal 144203b
20 Vigesimal 6cf4ff
36 Base36 cnad7

Cryptographic Hash Functions

md5 5b1dacba428a8082354183d5bc7e651c
sha1 e154656b8ea67fd8b4001cfa463a20ac428730ab
sha256 d4c5f629c44cf911d9c09b08307296fded89eec47eef24013ac770fad0f8c11b
sha512 b93ba388f6ff319cfb60997207f0df91c196984f7c082688b8b9e39f794631924800fbf1384291fa96cad076b2578c40d81faa07ce3fcad89263321fb5ed3023
ripemd-160 29955941456178b576644da2799777616e90c5d5

21241915 as geometric shapes

Circle

Radius = n
Diameter 42483830
Circumference 133466888.22436
Area 1.4175461474882E+15

Sphere

Radius = n
Volume 4.0148526364694E+22
Surface area 5.6701845899526E+15
Circumference 133466888.22436

Square

Length = n
Perimeter 84967660
Area 451218952867225
Diagonal 30040604.283776

Cube

Length = n
Surface area 2707313717203350
Volume 9.5847546431946E+21
Space diagonal 36792076.030059

Equilateral Triangle

Length = n
Perimeter 63725745
Area 1.9538353792602E+14
Altitude 18396038.01503

Triangular Pyramid

Length = n
Surface area 1.9538353792602E+14
Volume 1.1295741673687E+21
Height 10013534.761259