Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21371818 (number)

21371818 is an even 8-digits composite number following 21371817 and preceding 21371819. In scientific notation, it is written as 2.1371818 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 9863904 positive integers (up to 21371818) that are relatively prime to 21371818.

Interesting facts

21371818 has 8 divisors, whose sum is 34523748
The reverse of 21371818 is 81817312
Previous prime number is 13

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million three hundred seventy-one thousand eight hundred eighteen

Notation

Scientific notation	2.1371818 × 10^7
Engineering notation	2.1371818 × 10^6

Prime Factorization of 21371818

Prime Factorization 2 × 13 × 821993

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21371818	Product of the distinct prime numbers

The prime factorization of 21371818 is 2 × 13 × 821993. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 10, 73, 3, 661, 453, 4777, 9804, 76297, 62982, 469986, 393651, 1884306, 6306045, 64602737, 2229882, 904093296, 349736894, 1274300932, 382921349

Basic calculations (n = 21371818)

Multiplication

n×y

n×2	42743636
n×3	64115454
n×4	85487272
n×5	106859090

Division

n÷y

n÷2	10685909
n÷3	7123939.3333333
n÷3	5342954.5
n÷5	4274363.6

Exponentiation

n^y

n²	456754604625124
n³	9.7616762807101E+21
n⁴	2.0862476884625E+29
n⁵	4.4586905900742E+36

Nth Root

^y√n

²√n	4622.9663637106
³√n	277.51118316536
⁴√n	67.992399308383
⁵√n	29.239389017873

Divisors of 21371818

1, 2, 13, 26, 821993, 1643986, 10685909, 21371818

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	-21371817	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 21371818 can be divided by 8 positive divisors. The sum of these divisors (counting 21371818) is 1, the average is 0.125.

Base conversion 21371818

Base	System	Value
2	Binary	1010001100001101110101010
3	Ternary	1111012210121211
4	Quaternary	1101201232222
5	Quinary	20432344233
6	Senary	2042023334
8	Octal	121415652
10	Decimal	21371818
12	Duodecimal	71a7b4a
16	Hexadecimal	1461baa
20	Vigesimal	6db9ai
36	Base36	cq2lm

Cryptographic Hash Functions

md5	f5e81bfac44b1a20e96144e1bfee7589
sha1	e11b3239eac9c5e42bc599dc5def3af01c6e366b
sha256	e9a96e0001407da31e63b7c882bcec617bc947fe9640f367ffd38345df2a53e3
sha512	b2af282532ac8f128cb4a444cf54b4d42447dc2060000fc2a221f63e36f8617c1a4d5a08fdab3f9476349ec9b94d312c77df5e56e97d5916b0e61c2fd3c5d407
ripemd-160	31bb408f342f7013fb538e56e3cd3dcf6b9d8b89

21371818 as geometric shapes

Circle

Radius = n

Diameter	42743636
Circumference	134283092.84532
Area	1.4349369103836E+15

Sphere

Radius = n

Volume	4.0889613986934E+22
Surface area	5.7397476415344E+15
Circumference	134283092.84532

Square

Length = n

Perimeter	85487272
Area	456754604625124
Diagonal	30224314.868169

Cube

Length = n

Surface area	2740527627750744
Volume	9.7616762807101E+21
Space diagonal	37017074.626115

Equilateral Triangle

Length = n

Perimeter	64115454
Area	1.9778054545044E+14
Altitude	18508537.313058

Triangular Pyramid

Length = n

Surface area	1.9778054545044E+14
Volume	1.1504245823063E+21
Height	10074771.622723