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

12981985 (number)

12981985 is an odd 8-digits composite number following 12981984 and preceding 12981986. In scientific notation, it is written as 1.2981985 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 10268544 positive integers (up to 12981985) that are relatively prime to 12981985.

Interesting facts

12981985 has 8 divisors, whose sum is 15753960
The reverse of 12981985 is 58918921
Previous prime number is 89

Basic properties

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

Name

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

Notation

Scientific notation	1.2981985 × 10^7
Engineering notation	1.2981985 × 10^6

Prime Factorization of 12981985

Prime Factorization 5 × 89 × 29173

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12981985	Product of the distinct prime numbers

The prime factorization of 12981985 is 5 × 89 × 29173. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 51, 31, 31, 567, 4078, 6829, 81081, 87463, 17684, 756887, 899197, 4033259, 46356876, 51224068, 533764758, 516611742, 141189196, 9306734895

Basic calculations (n = 12981985)

Multiplication

n×y

n×2	25963970
n×3	38945955
n×4	51927940
n×5	64909925

Division

n÷y

n÷2	6490992.5
n÷3	4327328.3333333
n÷3	3245496.25
n÷5	2596397

Exponentiation

n^y

n²	168531934540225
n³	2.1878790462222E+21
n⁴	2.8403012959871E+28
n⁵	3.6872748819985E+35

Nth Root

^y√n

²√n	3603.0521783621
³√n	235.02480498691
⁴√n	60.025429430885
⁵√n	26.464775887808

Divisors of 12981985

1, 5, 89, 445, 29173, 145865, 2596397, 12981985

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	-12981984	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 12981985 can be divided by 8 positive divisors. The sum of these divisors (counting 12981985) is 1, the average is 0.125.

Base conversion 12981985

Base	System	Value
2	Binary	110001100001011011100001
3	Ternary	220102112221021
4	Quaternary	301201123201
5	Quinary	11310410420
6	Senary	1142125441
8	Octal	61413341
10	Decimal	12981985
12	Duodecimal	4420881
16	Hexadecimal	c616e1
20	Vigesimal	412ej5
36	Base36	7q8yp

Cryptographic Hash Functions

md5	fc42fa2d993ea04ade254bbe120133e2
sha1	5c36b17ac1cf61549dbe1d9d70a25732b55a2453
sha256	10f3ca98783c233aa977324741fe08e8b7a58887fc2cc76015fb9bfff2b94d76
sha512	a22e59e58fb2d574c9b548b5aca6dbf2fc0fbc9de7e8318ebdb96b3db828b317e120ba2225ff96f7843f470404471f8bc3841c617e5d913fade7769391090b05
ripemd-160	9f724d942a67e493959e9e10812f1d26a44ee244

12981985 as geometric shapes

Circle

Radius = n

Diameter	25963970
Circumference	81568217.410026
Area	5.2945868744685E+14

Sphere

Radius = n

Volume	9.1645663180729E+21
Surface area	2.1178347497874E+15
Circumference	81568217.410026

Square

Length = n

Perimeter	51927940
Area	168531934540225
Diagonal	18359299.253524

Cube

Length = n

Surface area	1011191607241350
Volume	2.1878790462222E+21
Space diagonal	22485457.603097

Equilateral Triangle

Length = n

Perimeter	38945955
Area	72976468330385
Altitude	11242728.801549

Triangular Pyramid

Length = n

Surface area	72976468330385
Volume	2.5784401833328E+20
Height	6119766.4178414