21017842 (number)

21017842 is an even 8-digits composite number following 21017841 and preceding 21017843. In scientific notation, it is written as 2.1017842 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 10502244 positive integers (up to 21017842) that are relatively prime to 21017842.

Interesting facts

Basic properties

Name

Name twenty-one million seventeen thousand eight hundred forty-two

Notation

Scientific notation 2.1017842 × 10^7
Engineering notation 2.1017842 × 10^6

Prime Factorization of 21017842

Prime Factorization 2 × 4139 × 2539

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21017842
Product of the distinct prime numbers

The prime factorization of 21017842 is 2 × 4139 × 2539. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21017842)

Multiplication

n×y
n×2 42035684
n×3 63053526
n×4 84071368
n×5 105089210

Division

n÷y
n÷2 10508921
n÷3 7005947.3333333
n÷3 5254460.5
n÷5 4203568.4

Exponentiation

ny
n2 441749682336964
n3 9.2846250269085E+21
n4 1.9514278184481E+29
n5 4.1014801562547E+36

Nth Root

y√n
2√n 4584.5220034372
3√n 275.97053000474
4√n 67.709098380035
5√n 29.141883962936

Divisors of 21017842

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 -21017841
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 21017842 can be divided by 8 positive divisors. The sum of these divisors (counting 21017842) is 1, the average is 0.125.

Base conversion 21017842

Base System Value
2 Binary 1010000001011010011110010
3 Ternary 1110112211001121
4 Quaternary 1100023103302
5 Quinary 20340032332
6 Senary 2030252454
8 Octal 120132362
10 Decimal 21017842
12 Duodecimal 705712a
16 Hexadecimal 140b4f2
20 Vigesimal 6b74c2
36 Base36 cihgy

Cryptographic Hash Functions

md5 2e0f295c580003bab0b8194ce34aeae1
sha1 87d5ad2abf6436a5bfd04dda60e7f64eb8b037ce
sha256 e53074fe1bf8a84b47ef6042cd04db03ace5d2bde4d1aaa09b2ed6d6727ea3b0
sha512 c9e33d52399a4c777546e77e70921fe6b2be0dbf38549ed2366f9c9a535ff5ac7f0ba47e375fcb7d7b76d2cdf554b8523468605878db774ff6236e05efe41436
ripemd-160 501b77f18ed04908051ef78e382a0df23ca99f5f

21017842 as geometric shapes

Circle

Radius = n
Diameter 42035684
Circumference 132058996.04302
Area 1.3877975567554E+15

Sphere

Radius = n
Volume 3.8891346367829E+22
Surface area 5.5511902270217E+15
Circumference 132058996.04302

Square

Length = n
Perimeter 84071368
Area 441749682336964
Diagonal 29723717.208215

Cube

Length = n
Surface area 2650498094021784
Volume 9.2846250269085E+21
Space diagonal 36403970.209455

Equilateral Triangle

Length = n
Perimeter 63053526
Area 1.9128322350876E+14
Altitude 18201985.104728

Triangular Pyramid

Length = n
Surface area 1.9128322350876E+14
Volume 1.0942035528836E+21
Height 9907905.7360716