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

12561681 (number)

12561681 is an odd 8-digits composite number following 12561680 and preceding 12561682. In scientific notation, it is written as 1.2561681 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 7613120 positive integers (up to 12561681) that are relatively prime to 12561681.

Interesting facts

12561681 has 8 divisors, whose sum is 18271584
The reverse of 12561681 is 18616521
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twelve million five hundred sixty-one thousand six hundred eighty-one

Notation

Scientific notation	1.2561681 × 10^7
Engineering notation	1.2561681 × 10^6

Prime Factorization of 12561681

Prime Factorization 3 × 11 × 380657

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12561681	Product of the distinct prime numbers

The prime factorization of 12561681 is 3 × 11 × 380657. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 8, 16, 28, 829, 922, 2371, 9324, 48549, 95221, 8097, 43934, 8555673, 7237875, 32693312, 69574971, 426008804, 14775399, 6724125771, 76678549

Basic calculations (n = 12561681)

Multiplication

n×y

n×2	25123362
n×3	37685043
n×4	50246724
n×5	62808405

Division

n÷y

n÷2	6280840.5
n÷3	4187227
n÷3	3140420.25
n÷5	2512336.2

Exponentiation

n^y

n²	157795829545761
n³	1.9821808738842E+21
n⁴	2.4899523822035E+28
n⁵	3.127798753043E+35

Nth Root

^y√n

²√n	3544.2461821945
³√n	232.46054597028
⁴√n	59.533571891786
⁵√n	26.291148129979

Divisors of 12561681

1, 3, 11, 33, 380657, 1141971, 4187227, 12561681

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	-12561680	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 12561681 can be divided by 8 positive divisors. The sum of these divisors (counting 12561681) is 1, the average is 0.125.

Base conversion 12561681

Base	System	Value
2	Binary	101111111010110100010001
3	Ternary	212122012101110
4	Quaternary	233322310101
5	Quinary	11203433211
6	Senary	1125123533
8	Octal	57726421
10	Decimal	12561681
12	Duodecimal	42595a9
16	Hexadecimal	bfad11
20	Vigesimal	3ia441
36	Base36	7h8nl

Cryptographic Hash Functions

md5	8c231422a0aa5b44a9611a0cc6f80b1d
sha1	30b2873ce1ca46e205aa16dd1c68275d435085a4
sha256	f55f909969b21aa37a3aed36ed377e611be2c04da024feb7abd6f69bb4f4979b
sha512	d063f4b9b87f5538ca23e0de0fe649de16c2bc0259555523c01e4393bf0e449f6459f65915c8f106a0ba54ab2618ffc64e67ba704c194afe2c1c686b2f51ebaf
ripemd-160	9be1984e0d44bae77b31855b7fbba14d832023a0

12561681 as geometric shapes

Circle

Radius = n

Diameter	25123362
Circumference	78927369.492677
Area	4.9573021886807E+14

Sphere

Radius = n

Volume	8.3029398286412E+21
Surface area	1.9829208754723E+15
Circumference	78927369.492677

Square

Length = n

Perimeter	50246724
Area	157795829545761
Diagonal	17764899.636404

Cube

Length = n

Surface area	946774977274566
Volume	1.9821808738842E+21
Space diagonal	21757469.720473

Equilateral Triangle

Length = n

Perimeter	37685043
Area	68327598498934
Altitude	10878734.860236

Triangular Pyramid

Length = n

Surface area	68327598498934
Volume	2.3360225624364E+20
Height	5921633.2121348