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

12981389 (number)

12981389 is an odd 8-digits composite number following 12981388 and preceding 12981390. In scientific notation, it is written as 1.2981389 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 12298140 positive integers (up to 12981389) that are relatively prime to 12981389.

Interesting facts

12981389 has 4 divisors, whose sum is 13664640
The reverse of 12981389 is 98318921
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	twelve million nine hundred eighty-one thousand three hundred eighty-nine

Notation

Scientific notation	1.2981389 × 10^7
Engineering notation	1.2981389 × 10^6

Prime Factorization of 12981389

Prime Factorization 19 × 683231

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12981389	Product of the distinct prime numbers

The prime factorization of 12981389 is 19 × 683231. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 1, 32, 38, 759, 554, 6639, 21, 25335, 81611, 503077, 689728, 5606610, 68780, 98420058, 79191167, 178313443, 577103513, 9428654740, 8981394813

Basic calculations (n = 12981389)

Multiplication

n×y

n×2	25962778
n×3	38944167
n×4	51925556
n×5	64906945

Division

n÷y

n÷2	6490694.5
n÷3	4327129.6666667
n÷3	3245347.25
n÷5	2596277.8

Exponentiation

n^y

n²	168516460369321
n³	2.1875777249572E+21
n⁴	2.8397797415405E+28
n⁵	3.6864285499257E+35

Nth Root

^y√n

²√n	3602.9694697569
³√n	235.02120828663
⁴√n	60.024740480546
⁵√n	26.464532884969

Divisors of 12981389

1, 19, 683231, 12981389

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	-12981388	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 12981389 can be divided by 4 positive divisors. The sum of these divisors (counting 12981389) is 1, the average is 0.25.

Base conversion 12981389

Base	System	Value
2	Binary	110001100001010010001101
3	Ternary	220102112010012
4	Quaternary	301201102031
5	Quinary	11310401024
6	Senary	1142123005
8	Octal	61412215
10	Decimal	12981389
12	Duodecimal	4420465
16	Hexadecimal	c6148d
20	Vigesimal	412d99
36	Base36	7q8i5

Cryptographic Hash Functions

md5	6410ed6fbd29e460b54ca13a3f544c18
sha1	6a6ecafdd6a2f026610814968e0961de46a4cccc
sha256	cff503ef330b8227210f31d31575f700bffae5b30ad05599822482bfb2985bcc
sha512	f6e4c75ff2d50aa5e6143f17a4ba9f02193015c2275c41a801fffb6b683d62d96cfa8641b806750fcd18454cf8c1d85bc312c3f6c2522395ad80438d153f27f4
ripemd-160	a91c97aa167c18568536d0d7ae7db670a2a2968d

12981389 as geometric shapes

Circle

Radius = n

Diameter	25962778
Circumference	81564472.631583
Area	5.2941007390521E+14

Sphere

Radius = n

Volume	9.1633041465098E+21
Surface area	2.1176402956209E+15
Circumference	81564472.631583

Square

Length = n

Perimeter	51925556
Area	168516460369321
Diagonal	18358456.382241

Cube

Length = n

Surface area	1011098762215926
Volume	2.1875777249572E+21
Space diagonal	22484425.300816

Equilateral Triangle

Length = n

Perimeter	38944167
Area	72969767817833
Altitude	11242212.650408

Triangular Pyramid

Length = n

Surface area	72969767817833
Volume	2.5780850728165E+20
Height	6119485.460747