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

12938991 (number)

12938991 is an odd 8-digits composite number following 12938990 and preceding 12938992. In scientific notation, it is written as 1.2938991 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 7962432 positive integers (up to 12938991) that are relatively prime to 12938991.

Interesting facts

12938991 has 8 divisors, whose sum is 18579120
The reverse of 12938991 is 19983921
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	1.2938991 × 10^7
Engineering notation	1.2938991 × 10^6

Prime Factorization of 12938991

Prime Factorization 3 × 13 × 331769

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12938991	Product of the distinct prime numbers

The prime factorization of 12938991 is 3 × 13 × 331769. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 58, 85, 869, 394, 8769, 1179, 75867, 6640, 459688, 972456, 8861944, 920046, 89136266, 18577021, 594501831, 527592193, 2830310676, 5904261956

Basic calculations (n = 12938991)

Multiplication

n×y

n×2	25877982
n×3	38816973
n×4	51755964
n×5	64694955

Division

n÷y

n÷2	6469495.5
n÷3	4312997
n÷3	3234747.75
n÷5	2587798.2

Exponentiation

n^y

n²	167417488098081
n³	2.1662133717437E+21
n⁴	2.8028615321071E+28
n⁵	3.626620013818E+35

Nth Root

^y√n

²√n	3597.0808998409
³√n	234.76506473995
⁴√n	59.975669232122
⁵√n	26.447223304171

Divisors of 12938991

1, 3, 13, 39, 331769, 995307, 4312997, 12938991

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	-12938990	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 12938991 can be divided by 8 positive divisors. The sum of these divisors (counting 12938991) is 1, the average is 0.125.

Base conversion 12938991

Base	System	Value
2	Binary	110001010110111011101111
3	Ternary	220100100221220
4	Quaternary	301112323233
5	Quinary	11303021431
6	Senary	1141154423
8	Octal	61267357
10	Decimal	12938991
12	Duodecimal	43bba13
16	Hexadecimal	c56eef
20	Vigesimal	40h79b
36	Base36	7pbsf

Cryptographic Hash Functions

md5	495fbfb3b0fc5d0decc14452faa3fb09
sha1	33cc1703e0f8fe98cd5ae30a200b6953248a7898
sha256	7a79b577f9347ddac88caf92bf544c2b1826382b781b7dad15de37db68f07789
sha512	2996ed03f146ca74cb6ff76451fcaed97dcedeef2a563d6678c6fc182a5a0ecc63ce68bd85e6ff340b11efc683e632e3e88f92bb6a33aa066ec4f0a9bfee5199
ripemd-160	5a2a1968c2fb49617760ef330828f700284de0b1

12938991 as geometric shapes

Circle

Radius = n

Diameter	25877982
Circumference	81298078.140929
Area	5.2595755069139E+14

Sphere

Radius = n

Volume	9.0738133530372E+21
Surface area	2.1038302027656E+15
Circumference	81298078.140929

Square

Length = n

Perimeter	51755964
Area	167417488098081
Diagonal	18298496.555623

Cube

Length = n

Surface area	1004504928588486
Volume	2.1662133717437E+21
Space diagonal	22410989.810676

Equilateral Triangle

Length = n

Perimeter	38816973
Area	72493898865359
Altitude	11205494.905338

Triangular Pyramid

Length = n

Surface area	72493898865359
Volume	2.5529069410949E+20
Height	6099498.8518745