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

12939991 (number)

12939991 is an odd 8-digits composite number following 12939990 and preceding 12939992. In scientific notation, it is written as 1.2939991 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 12727800 positive integers (up to 12939991) that are relatively prime to 12939991.

Interesting facts

12939991 has 4 divisors, whose sum is 13152184
The reverse of 12939991 is 19993921
Previous prime number is 61

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	twelve million nine hundred thirty-nine thousand nine hundred ninety-one

Notation

Scientific notation	1.2939991 × 10^7
Engineering notation	1.2939991 × 10^6

Prime Factorization of 12939991

Prime Factorization 61 × 212131

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12939991	Product of the distinct prime numbers

The prime factorization of 12939991 is 61 × 212131. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 1, 74, 2, 821, 218, 8250, 9422, 78654, 38048, 347455, 444460, 4850810, 9685332, 62056856, 43126689, 59216945, 150492623, 8600852241, 9999783203

Basic calculations (n = 12939991)

Multiplication

n×y

n×2	25879982
n×3	38819973
n×4	51759964
n×5	64699955

Division

n÷y

n÷2	6469995.5
n÷3	4313330.3333333
n÷3	3234997.75
n÷5	2587998.2

Exponentiation

n^y

n²	167443367080081
n³	2.1667156630259E+21
n⁴	2.8037281179115E+28
n⁵	3.6280216612221E+35

Nth Root

^y√n

²√n	3597.2198987551
³√n	234.77111258446
⁴√n	59.976828015119
⁵√n	26.447632090385

Divisors of 12939991

1, 61, 212131, 12939991

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	-12939990	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 12939991 can be divided by 4 positive divisors. The sum of these divisors (counting 12939991) is 1, the average is 0.25.

Base conversion 12939991

Base	System	Value
2	Binary	110001010111001011010111
3	Ternary	220100102022221
4	Quaternary	301113023113
5	Quinary	11303034431
6	Senary	1141203211
8	Octal	61271327
10	Decimal	12939991
12	Duodecimal	4400507
16	Hexadecimal	c572d7
20	Vigesimal	40h9jb
36	Base36	7pck7

Cryptographic Hash Functions

md5	12f4459b36475d9535fdd3ba7b4b622b
sha1	e1e7056a1f7ff2eee511b08824e21b86bb25a7a7
sha256	754416c14ddbfbdfd72b40eb761ec9d15622af48966567e69fa9f3e7a52a64c4
sha512	d83ec16a7556be279c96b52c7912dc979ca5a8ac2bdba4a1cf3f80107b82c5f22b9098c7809d9b5e8d66ff4e0cad4a8893e3fbfe190d432577cb0582c4da8ac3
ripemd-160	2fc5805d39668134d42c184b1ca627125fb4483a

12939991 as geometric shapes

Circle

Radius = n

Diameter	25879982
Circumference	81304361.326236
Area	5.2603885191112E+14

Sphere

Radius = n

Volume	9.0759173458403E+21
Surface area	2.1041554076445E+15
Circumference	81304361.326236

Square

Length = n

Perimeter	51759964
Area	167443367080081
Diagonal	18299910.769186

Cube

Length = n

Surface area	1004660202480486
Volume	2.1667156630259E+21
Space diagonal	22412721.861484

Equilateral Triangle

Length = n

Perimeter	38819973
Area	72505104793277
Altitude	11206360.930742

Triangular Pyramid

Length = n

Surface area	72505104793277
Volume	2.5534988970479E+20
Height	6099970.2563953