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

12981397 (number)

12981397 is an odd 8-digits composite number following 12981396 and preceding 12981398. In scientific notation, it is written as 1.2981397 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 10891920 positive integers (up to 12981397) that are relatively prime to 12981397.

Interesting facts

12981397 has 12 divisors, whose sum is 15336864
The reverse of 12981397 is 79318921
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	1.2981397 × 10^7
Engineering notation	1.2981397 × 10^6

Prime Factorization of 12981397

Prime Factorization 11 × 13 × 13 × 6983

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	998569	Product of the distinct prime numbers

The prime factorization of 12981397 is 11 × 13 × 13 × 6983. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 68, 26, 985, 145, 6390, 7334, 56367, 73798, 131945, 46345, 3632143, 4690547, 4210730, 1964351, 206087043, 980161139, 5552142468, 113882816

Basic calculations (n = 12981397)

Multiplication

n×y

n×2	25962794
n×3	38944191
n×4	51925588
n×5	64906985

Division

n÷y

n÷2	6490698.5
n÷3	4327132.3333333
n÷3	3245349.25
n÷5	2596279.4

Exponentiation

n^y

n²	168516668071609
n³	2.1875817693548E+21
n⁴	2.8397867417957E+28
n⁵	3.6864399090586E+35

Nth Root

^y√n

²√n	3602.970579952
³√n	235.02125656522
⁴√n	60.024749728358
⁵√n	26.464536146811

Divisors of 12981397

1, 11, 13, 143, 169, 1859, 6983, 76813, 90779, 998569, 1180127, 12981397

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-12981396	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981397 can be divided by 12 positive divisors. The sum of these divisors (counting 12981397) is 1, the average is 0.083333333333333.

Base conversion 12981397

Base	System	Value
2	Binary	110001100001010010010101
3	Ternary	220102112010111
4	Quaternary	301201102111
5	Quinary	11310401042
6	Senary	1142123021
8	Octal	61412225
10	Decimal	12981397
12	Duodecimal	4420471
16	Hexadecimal	c61495
20	Vigesimal	412d9h
36	Base36	7q8id

Cryptographic Hash Functions

md5	c3c22734c2972a71f2ce2ba96a344446
sha1	d423519e8986a151643dfc0468fa64e3b29ccb12
sha256	69cc81fd0de7c2e37919d329a0612cdf1464bf7a10c8ee62a46f043411bca328
sha512	0cbfa519d681cce5ed2dfb0242b1d83bb83b179311dd8d366ce3ffce1caafc1e03d6e41dc9caf21eee7d4a49b17b158fd69b306084ddff8171eef497760302cf
ripemd-160	3f8728caf179dfb2cce62b66e4fa58088798f1c4

12981397 as geometric shapes

Circle

Radius = n

Diameter	25962794
Circumference	81564522.897065
Area	5.294107264212E+14

Sphere

Radius = n

Volume	9.1633210876426E+21
Surface area	2.1176429056848E+15
Circumference	81564522.897065

Square

Length = n

Perimeter	51925588
Area	168516668071609
Diagonal	18358467.695949

Cube

Length = n

Surface area	1011100008429654
Volume	2.1875817693548E+21
Space diagonal	22484439.157222

Equilateral Triangle

Length = n

Perimeter	38944191
Area	72969857755562
Altitude	11242219.578611

Triangular Pyramid

Length = n

Surface area	72969857755562
Volume	2.5780898391847E+20
Height	6119489.2319831