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

12981907 (number)

12981907 is an odd 8-digits composite number following 12981906 and preceding 12981908. In scientific notation, it is written as 1.2981907 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 12974256 positive integers (up to 12981907) that are relatively prime to 12981907.

Interesting facts

12981907 has 4 divisors, whose sum is 12989560
The reverse of 12981907 is 70918921
Previous prime number is 2539

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	1.2981907 × 10^7
Engineering notation	1.2981907 × 10^6

Prime Factorization of 12981907

Prime Factorization 2539 × 5113

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12981907	Product of the distinct prime numbers

The prime factorization of 12981907 is 2539 × 5113. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 10, 21, 4, 426, 615, 7551, 6974, 62136, 24553, 113390, 937360, 5344243, 5073141, 62214195, 84543897, 971424007, 722734565, 9592063529, 690125451

Basic calculations (n = 12981907)

Multiplication

n×y

n×2	25963814
n×3	38945721
n×4	51927628
n×5	64909535

Division

n÷y

n÷2	6490953.5
n÷3	4327302.3333333
n÷3	3245476.75
n÷5	2596381.4

Exponentiation

n^y

n²	168529909356649
n³	2.1878396099864E+21
n⁴	2.840233034776E+28
n⁵	3.687164111579E+35

Nth Root

^y√n

²√n	3603.0413541895
³√n	235.02433428408
⁴√n	60.025339267592
⁵√n	26.464744085931

Divisors of 12981907

1, 2539, 5113, 12981907

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	-12981906	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 12981907 can be divided by 4 positive divisors. The sum of these divisors (counting 12981907) is 1, the average is 0.25.

Base conversion 12981907

Base	System	Value
2	Binary	110001100001011010010011
3	Ternary	220102112211101
4	Quaternary	301201122103
5	Quinary	11310410112
6	Senary	1142125231
8	Octal	61413223
10	Decimal	12981907
12	Duodecimal	4420817
16	Hexadecimal	c61693
20	Vigesimal	412ef7
36	Base36	7q8wj

Cryptographic Hash Functions

md5	120b3c0330f874ec534f8885a877584a
sha1	6df718627fb6490259919aa4f35545d20fd60daf
sha256	f3c844689153601d1ad89aac1306ae9944e6b713573663bef6f14e0174d8067c
sha512	8f374bf0891ab9ab5b1c8545bc83e87e43ce547178995606fc733b81bb14335c82bf0bb84c2294e597f128155bd95670578e5be8a07eb2b6a5a2dc5483b8e046
ripemd-160	8ca7feab612aa4184b58278376f2085f8cf1b636

12981907 as geometric shapes

Circle

Radius = n

Diameter	25963814
Circumference	81567727.321572
Area	5.29452325145E+14

Sphere

Radius = n

Volume	9.1644011279549E+21
Surface area	2.11780930058E+15
Circumference	81567727.321572

Square

Length = n

Perimeter	51927628
Area	168529909356649
Diagonal	18359188.944866

Cube

Length = n

Surface area	1011179456139894
Volume	2.1878396099864E+21
Space diagonal	22485322.503134

Equilateral Triangle

Length = n

Perimeter	38945721
Area	72975591400173
Altitude	11242661.251567

Triangular Pyramid

Length = n

Surface area	72975591400173
Volume	2.5783937072832E+20
Height	6119729.6482887