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

12939905 (number)

12939905 is an odd 8-digits composite number following 12939904 and preceding 12939906. In scientific notation, it is written as 1.2939905 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 9341760 positive integers (up to 12939905) that are relatively prime to 12939905.

Interesting facts

12939905 has 8 divisors, whose sum is 13272000
The reverse of 12939905 is 50993921
Previous prime number is 1579

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twelve million nine hundred thirty-nine thousand nine hundred five

Notation

Scientific notation	1.2939905 × 10^7
Engineering notation	1.2939905 × 10^6

Prime Factorization of 12939905

Prime Factorization 55 × 1579 × 149

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12939905	Product of the distinct prime numbers

The prime factorization of 12939905 is 55 × 1579 × 149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 4, 56, 82, 490, 347, 7707, 1459, 22687, 12294, 88101, 271583, 9175434, 2880126, 27388814, 37900806, 252435262, 373084287, 9672494101, 7310913264

Basic calculations (n = 12939905)

Multiplication

n×y

n×2	25879810
n×3	38819715
n×4	51759620
n×5	64699525

Division

n÷y

n÷2	6469952.5
n÷3	4313301.6666667
n÷3	3234976.25
n÷5	2587981

Exponentiation

n^y

n²	167441141409025
n³	2.1666724629243E+21
n⁴	2.8036535836357E+28
n⁵	3.6279011025156E+35

Nth Root

^y√n

²√n	3597.2079450596
³√n	234.77059248207
⁴√n	59.976728362421
⁵√n	26.447596935764

Divisors of 12939905

1, 55, 149, 1579, 8195, 86845, 235271, 12939905

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	-12939904	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 12939905 can be divided by 8 positive divisors. The sum of these divisors (counting 12939905) is 1, the average is 0.125.

Base conversion 12939905

Base	System	Value
2	Binary	110001010111001010000001
3	Ternary	220100102012202
4	Quaternary	301113022001
5	Quinary	11303034110
6	Senary	1141202545
8	Octal	61271201
10	Decimal	12939905
12	Duodecimal	4400455
16	Hexadecimal	c57281
20	Vigesimal	40h9f5
36	Base36	7pcht

Cryptographic Hash Functions

md5	0c2a911dd26c05a2619626ae31ce7573
sha1	f7305f0897a92e832eb661a03421c08dd2f74ab5
sha256	2b3956d76b0df62505b3ffa3a07f71b7c46327917b422bf6897040a30bc17d9b
sha512	544244f58d9067ab6485105a65dae5cf0120ecd7703f1371d7a69faa9d38a4d9b28fcf4153962ce2a77474ac858db4822afbf10c3435f77d459b08856c426cb9
ripemd-160	2d0090ded659c8a6bb34c2ae97ad1a19aa51a8a2

12939905 as geometric shapes

Circle

Radius = n

Diameter	25879810
Circumference	81303820.9723
Area	5.2603185975928E+14

Sphere

Radius = n

Volume	9.0757363896779E+21
Surface area	2.1041274390371E+15
Circumference	81303820.9723

Square

Length = n

Perimeter	51759620
Area	167441141409025
Diagonal	18299789.146819

Cube

Length = n

Surface area	1004646848454150
Volume	2.1666724629243E+21
Space diagonal	22412572.905115

Equilateral Triangle

Length = n

Perimeter	38819715
Area	72504141049439
Altitude	11206286.452557

Triangular Pyramid

Length = n

Surface area	72504141049439
Volume	2.5534479852399E+20
Height	6099929.7156065