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

12561381 (number)

12561381 is an odd 8-digits composite number following 12561380 and preceding 12561382. In scientific notation, it is written as 1.2561381 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 6865056 positive integers (up to 12561381) that are relatively prime to 12561381.

Interesting facts

12561381 has 16 divisors, whose sum is 18311040
The reverse of 12561381 is 18316521
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

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

Notation

Scientific notation	1.2561381 × 10^7
Engineering notation	1.2561381 × 10^6

Prime Factorization of 12561381

Prime Factorization 21 × 3 × 23 × 8669

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	12561381	Product of the distinct prime numbers

The prime factorization of 12561381 is 21 × 3 × 23 × 8669. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 65, 59, 872, 883, 1128, 1317, 30547, 443, 701323, 410920, 886059, 9498600, 3574580, 69355787, 218039641, 937991766, 9926257699, 6526267181

Basic calculations (n = 12561381)

Multiplication

n×y

n×2	25122762
n×3	37684143
n×4	50245524
n×5	62806905

Division

n÷y

n÷2	6280690.5
n÷3	4187127
n÷3	3140345.25
n÷5	2512276.2

Exponentiation

n^y

n²	157788292627161
n³	1.9820388610293E+21
n⁴	2.4897145290195E+28
n⁵	3.1274252780249E+35

Nth Root

^y√n

²√n	3544.2038598252
³√n	232.4586954027
⁴√n	59.53321644112
⁵√n	26.291022550929

Divisors of 12561381

1, 3, 21, 23, 63, 69, 483, 1449, 8669, 26007, 182049, 199387, 546147, 598161, 4187127, 12561381

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-12561380	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12561381 can be divided by 16 positive divisors. The sum of these divisors (counting 12561381) is 1, the average is 0.0625.

Base conversion 12561381

Base	System	Value
2	Binary	101111111010101111100101
3	Ternary	212122011222100
4	Quaternary	233322233211
5	Quinary	11203431011
6	Senary	1125122313
8	Octal	57725745
10	Decimal	12561381
12	Duodecimal	4259399
16	Hexadecimal	bfabe5
20	Vigesimal	3ia391
36	Base36	7h8f9

Cryptographic Hash Functions

md5	101dac70d38aa1167e38ea19f85836cc
sha1	4997a9bda790815c47503ced6d22fcf34505e0ef
sha256	e30ca4ea5dae6b3d54b4038f545cd676a78a3ebc9db9a9c05aa9fb13ac4a80fb
sha512	119c0fa4f40f4c9eff339ad7f4a3e4e65fb113c8f5fb94dbd0388b63a756f3855e3ee263320383c240f066bddb2a7c7f3e4c0d08f436f96b82dfac6c2ec03211
ripemd-160	1a9e8dc0cecf7dd8ff5239df29d07e67943a524b

12561381 as geometric shapes

Circle

Radius = n

Diameter	25122762
Circumference	78925484.537085
Area	4.9570654093997E+14

Sphere

Radius = n

Volume	8.3023449665853E+21
Surface area	1.9828261637599E+15
Circumference	78925484.537085

Square

Length = n

Perimeter	50245524
Area	157788292627161
Diagonal	17764475.372336

Cube

Length = n

Surface area	946729755762966
Volume	1.9820388610293E+21
Space diagonal	21756950.10523

Equilateral Triangle

Length = n

Perimeter	37684143
Area	68324334917447
Altitude	10878475.052615

Triangular Pyramid

Length = n

Surface area	68324334917447
Volume	2.3358551986818E+20
Height	5921491.7907786