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

12561387 (number)

12561387 is an odd 8-digits composite number following 12561386 and preceding 12561388. In scientific notation, it is written as 1.2561387 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 8374256 positive integers (up to 12561387) that are relatively prime to 12561387.

Interesting facts

12561387 has 4 divisors, whose sum is 16748520
The reverse of 12561387 is 78316521
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twelve million five hundred sixty-one thousand three hundred eighty-seven

Notation

Scientific notation	1.2561387 × 10^7
Engineering notation	1.2561387 × 10^6

Prime Factorization of 12561387

Prime Factorization 3 × 4187129

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12561387	Product of the distinct prime numbers

The prime factorization of 12561387 is 3 × 4187129. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 8, 81, 13, 392, 500, 2650, 678, 56921, 13220, 54872, 865730, 4159944, 4679661, 33330574, 22909759, 365518790, 432243264, 5729247551, 1281874228

Basic calculations (n = 12561387)

Multiplication

n×y

n×2	25122774
n×3	37684161
n×4	50245548
n×5	62806935

Division

n÷y

n÷2	6280693.5
n÷3	4187129
n÷3	3140346.75
n÷5	2512277.4

Exponentiation

n^y

n²	157788443363769
n³	1.9820417012199E+21
n⁴	2.4897192859161E+28
n⁵	3.1274327471756E+35

Nth Root

^y√n

²√n	3544.2047062776
³√n	232.45873241434
⁴√n	59.533223550196
⁵√n	26.291025062534

Divisors of 12561387

1, 3, 4187129, 12561387

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	-12561386	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 12561387 can be divided by 4 positive divisors. The sum of these divisors (counting 12561387) is 1, the average is 0.25.

Base conversion 12561387

Base	System	Value
2	Binary	101111111010101111101011
3	Ternary	212122011222120
4	Quaternary	233322233223
5	Quinary	11203431022
6	Senary	1125122323
8	Octal	57725753
10	Decimal	12561387
12	Duodecimal	42593a3
16	Hexadecimal	bfabeb
20	Vigesimal	3ia397
36	Base36	7h8ff

Cryptographic Hash Functions

md5	430359056de7703b0963db14473d9ed9
sha1	727407c5f63fb7c567554648d9a71564340a2559
sha256	aa7287707cd61a3e2784989594e4cc9433001d7baf2cc7dd9234f82031f50001
sha512	588ed5604a5d738616b8862c4c402f9771190116ff19d151e1f494af0fac9af4ce25b9077d396957b3a0027b362d16e35c0ae995c72118f232d4b8a2f3718a68
ripemd-160	379927d3b5559224492f7c95e477d1331aa914ce

12561387 as geometric shapes

Circle

Radius = n

Diameter	25122774
Circumference	78925522.236197
Area	4.9570701449299E+14

Sphere

Radius = n

Volume	8.302356863548E+21
Surface area	1.9828280579719E+15
Circumference	78925522.236197

Square

Length = n

Perimeter	50245548
Area	157788443363769
Diagonal	17764483.857617

Cube

Length = n

Surface area	946730660182614
Volume	1.9820417012199E+21
Space diagonal	21756960.497535

Equilateral Triangle

Length = n

Perimeter	37684161
Area	68324400188313
Altitude	10878480.248768

Triangular Pyramid

Length = n

Surface area	68324400188313
Volume	2.3358585458785E+20
Height	5921494.6192057