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

21349905 (number)

21349905 is an odd 8-digits composite number following 21349904 and preceding 21349906. In scientific notation, it is written as 2.1349905 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 11386608 positive integers (up to 21349905) that are relatively prime to 21349905.

Interesting facts

21349905 has 4 divisors, whose sum is 22773248
The reverse of 21349905 is 50994312
Previous prime number is 15

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

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

Notation

Scientific notation	2.1349905 × 10^7
Engineering notation	2.1349905 × 10^6

Prime Factorization of 21349905

Prime Factorization 15 × 1423327

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21349905	Product of the distinct prime numbers

The prime factorization of 21349905 is 15 × 1423327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 7, 1, 14, 916, 529, 201, 2746, 16634, 25507, 256802, 52329, 4673362, 669983, 77679370, 90199691, 375844608, 163192904, 5941802874, 5659422738

Basic calculations (n = 21349905)

Multiplication

n×y

n×2	42699810
n×3	64049715
n×4	85399620
n×5	106749525

Division

n÷y

n÷2	10674952.5
n÷3	7116635
n÷3	5337476.25
n÷5	4269981

Exponentiation

n^y

n²	455818443509025
n³	9.7316804661656E+21
n⁴	2.0777045344299E+29
n⁵	4.4358794428148E+36

Nth Root

^y√n

²√n	4620.5957408109
³√n	277.41630460294
⁴√n	67.974964073627
⁵√n	29.233390598158

Divisors of 21349905

1, 15, 1423327, 21349905

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21349904	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21349905 can be divided by 4 positive divisors. The sum of these divisors (counting 21349905) is 1, the average is 0.25.

Base conversion 21349905

Base	System	Value
2	Binary	1010001011100011000010001
3	Ternary	1111011200120020
4	Quaternary	1101130120101
5	Quinary	20431144110
6	Senary	2041334053
8	Octal	121343021
10	Decimal	21349905
12	Duodecimal	7197329
16	Hexadecimal	145c611
20	Vigesimal	6d8ef5
36	Base36	cplox

Cryptographic Hash Functions

md5	d66bf0bd7bf89d3c01ba013ff746dd09
sha1	18fcf1662babaf4a3376338b21528a699b444cc3
sha256	ce1330ec6e8f7851700fac633e0722fed605d568d40f945f562e33e79a7a2201
sha512	a36adc328b0f3e057bbe53acce128c2fe218d6c6ede571f87b20a801c423ddc50ffea9776bba9ff44aebba388bad31e3b8b301099bdfdda09746f943deec09d6
ripemd-160	e48a6ceda567cff8ef07416463603e9f7637bd71

21349905 as geometric shapes

Circle

Radius = n

Diameter	42699810
Circumference	134145409.40568
Area	1.4319958734987E+15

Sphere

Radius = n

Volume	4.0763967812785E+22
Surface area	5.7279834939947E+15
Circumference	134145409.40568

Square

Length = n

Perimeter	85399620
Area	455818443509025
Diagonal	30193325.206377

Cube

Length = n

Surface area	2734910661054150
Volume	9.7316804661656E+21
Space diagonal	36979120.196769

Equilateral Triangle

Length = n

Perimeter	64049715
Area	1.9737517579615E+14
Altitude	18489560.098384

Triangular Pyramid

Length = n

Surface area	1.9737517579615E+14
Volume	1.1468895416611E+21
Height	10064441.735459