21307842 (number)

21307842 is an even 8-digits composite number following 21307841 and preceding 21307843. In scientific notation, it is written as 2.1307842 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 7102608 positive integers (up to 21307842) that are relatively prime to 21307842.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seven thousand eight hundred forty-two

Notation

Scientific notation 2.1307842 × 10^7
Engineering notation 2.1307842 × 10^6

Prime Factorization of 21307842

Prime Factorization 2 × 3 × 3 × 1183769

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7102614
Product of the distinct prime numbers

The prime factorization of 21307842 is 2 × 3 × 3 × 1183769. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 71, 6, 305, 139, 2125, 3325, 64751, 85203, 161210, 965309, 3039900, 8898458, 21906410, 8062829, 335691608, 651022367, 4073915862, 6236463593

Basic calculations (n = 21307842)

Multiplication

n×y
n×2 42615684
n×3 63923526
n×4 85231368
n×5 106539210

Division

n÷y
n÷2 10653921
n÷3 7102614
n÷3 5326960.5
n÷5 4261568.4

Exponentiation

ny
n2 454024130696964
n3 9.6742744410783E+21
n4 2.0613791125513E+29
n5 4.3923540432344E+36

Nth Root

y√n
2√n 4616.0418109025
3√n 277.2339988158
4√n 67.941458704553
5√n 29.221862544049

Divisors of 21307842

1, 2, 3, 6, 9, 18, 1183769, 2367538, 3551307, 7102614, 10653921, 21307842

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21307841
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21307842 can be divided by 12 positive divisors. The sum of these divisors (counting 21307842) is 1, the average is 0.083333333333333.

Base conversion 21307842

Base System Value
2 Binary 1010001010010000111000010
3 Ternary 1111002112212100
4 Quaternary 1101102013002
5 Quinary 20423322332
6 Senary 2040411230
8 Octal 121220702
10 Decimal 21307842
12 Duodecimal 7176b16
16 Hexadecimal 14521c2
20 Vigesimal 6d39c2
36 Base36 cop8i

Cryptographic Hash Functions

md5 6f6afcb7fcebe1a76425a244d7d18a2b
sha1 1f2e91ee029b7ca862b82d016a668b8dac8a0a20
sha256 96c9850aaf6d60fbc3a5e5dca594f70eafc249b179ef88c380433663f3b406ec
sha512 f8d8d83ce4902b2ff6d0201fa9af301894f6197c5a7e333b3d679c09106f77523d1f601fc45f60ae68fa80ab8c5930a5337cf5a3b718da4de9492fcc46659522
ripemd-160 16dead68636f4ce1940e90e588e8dd03ca5ade6b

21307842 as geometric shapes

Circle

Radius = n
Diameter 42615684
Circumference 133881119.7821
Area 1.4263588735501E+15

Sphere

Radius = n
Volume 4.0523506017204E+22
Surface area 5.7054354942003E+15
Circumference 133881119.7821

Square

Length = n
Perimeter 85231368
Area 454024130696964
Diagonal 30133839.141303

Cube

Length = n
Surface area 2724144784181784
Volume 9.6742744410783E+21
Space diagonal 36906264.94365

Equilateral Triangle

Length = n
Perimeter 63923526
Area 1.9659821555736E+14
Altitude 18453132.471825

Triangular Pyramid

Length = n
Surface area 1.9659821555736E+14
Volume 1.1401241767244E+21
Height 10044613.047101