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

21369905 (number)

21369905 is an odd 8-digits composite number following 21369904 and preceding 21369906. In scientific notation, it is written as 2.1369905 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 16633728 positive integers (up to 21369905) that are relatively prime to 21369905.

Interesting facts

21369905 has 8 divisors, whose sum is 26337192
The reverse of 21369905 is 50996312
Previous prime number is 37

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty-one million three hundred sixty-nine thousand nine hundred five

Notation

Scientific notation	2.1369905 × 10^7
Engineering notation	2.1369905 × 10^6

Prime Factorization of 21369905

Prime Factorization 5 × 37 × 115513

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21369905	Product of the distinct prime numbers

The prime factorization of 21369905 is 5 × 37 × 115513. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 9, 66, 19, 412, 371, 1655, 5195, 56695, 69081, 19012, 389083, 6154470, 5705837, 34838512, 77228124, 82766771, 785391840, 806349246, 4095636021

Basic calculations (n = 21369905)

Multiplication

n×y

n×2	42739810
n×3	64109715
n×4	85479620
n×5	106849525

Division

n÷y

n÷2	10684952.5
n÷3	7123301.6666667
n÷3	5342476.25
n÷5	4273981

Exponentiation

n^y

n²	456672839709025
n³	9.7590552006621E+21
n⁴	2.085500825279E+29
n⁵	4.4566954513635E+36

Nth Root

^y√n

²√n	4622.7594572939
³√n	277.50290287254
⁴√n	67.990877750577
⁵√n	29.238865553243

Divisors of 21369905

1, 5, 37, 185, 115513, 577565, 4273981, 21369905

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	-21369904	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 21369905 can be divided by 8 positive divisors. The sum of these divisors (counting 21369905) is 1, the average is 0.125.

Base conversion 21369905

Base	System	Value
2	Binary	1010001100001010000110001
3	Ternary	1111012200222222
4	Quaternary	1101201100301
5	Quinary	20432314110
6	Senary	2042010425
8	Octal	121412061
10	Decimal	21369905
12	Duodecimal	71a6a15
16	Hexadecimal	1461431
20	Vigesimal	6db4f5
36	Base36	cq14h

Cryptographic Hash Functions

md5	d4fbb401f38574911ba0aceda5a33be8
sha1	f6dac635824dc81361b8d8be3b74df009849ef79
sha256	109452604f84305a10645a332105d0f857ebd192d99040f94808ae6f222eb1c8
sha512	e0ec56e85b6996b0c5df2e442bb20472e87021294360514a7ec033bcb53ed2072d6d303e6586c72baaf510f9e9cd25a5a5d7b15238d66674cf4be8e22a6f1d4b
ripemd-160	e44adcc9a9b14b76cfb5f7a5024606175b79ad6a

21369905 as geometric shapes

Circle

Radius = n

Diameter	42739810
Circumference	134271073.11182
Area	1.4346800383239E+15

Sphere

Radius = n

Volume	4.0878634832503E+22
Surface area	5.7387201532954E+15
Circumference	134271073.11182

Square

Length = n

Perimeter	85479620
Area	456672839709025
Diagonal	30221609.477625

Cube

Length = n

Surface area	2740037038254150
Volume	9.7590552006621E+21
Space diagonal	37013761.21292

Equilateral Triangle

Length = n

Perimeter	64109715
Area	1.977451402032E+14
Altitude	18506880.60646

Triangular Pyramid

Length = n

Surface area	1.977451402032E+14
Volume	1.1501156850603E+21
Height	10073869.825875