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

12561913 (number)

12561913 is an odd 8-digits composite number following 12561912 and preceding 12561914. In scientific notation, it is written as 1.2561913 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 9331200 positive integers (up to 12561913) that are relatively prime to 12561913.

Interesting facts

12561913 has 8 divisors, whose sum is 13147136
The reverse of 12561913 is 31916521
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twelve million five hundred sixty-one thousand nine hundred thirteen

Notation

Scientific notation	1.2561913 × 10^7
Engineering notation	1.2561913 × 10^6

Prime Factorization of 12561913

Prime Factorization 5551 × 31 × 73

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12561913	Product of the distinct prime numbers

The prime factorization of 12561913 is 5551 × 31 × 73. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 80, 47, 841, 558, 7079, 3436, 61687, 59774, 721850, 880863, 443978, 2678202, 77247683, 52186099, 149887600, 721697189, 5927058999, 2541246998

Basic calculations (n = 12561913)

Multiplication

n×y

n×2	25123826
n×3	37685739
n×4	50247652
n×5	62809565

Division

n÷y

n÷2	6280956.5
n÷3	4187304.3333333
n÷3	3140478.25
n÷5	2512382.6

Exponentiation

n^y

n²	157801658219569
n³	1.98229070181E+21
n⁴	2.4901363336846E+28
n⁵	3.1280875981884E+35

Nth Root

^y√n

²√n	3544.2789111468
³√n	232.46197705568
⁴√n	59.533846769269
⁵√n	26.291245242798

Divisors of 12561913

1, 31, 73, 2263, 5551, 172081, 405223, 12561913

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	-12561912	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 12561913 can be divided by 8 positive divisors. The sum of these divisors (counting 12561913) is 1, the average is 0.125.

Base conversion 12561913

Base	System	Value
2	Binary	101111111010110111111001
3	Ternary	212122012201001
4	Quaternary	233322313321
5	Quinary	11203440123
6	Senary	1125125001
8	Octal	57726771
10	Decimal	12561913
12	Duodecimal	4259761
16	Hexadecimal	bfadf9
20	Vigesimal	3ia4fd
36	Base36	7h8u1

Cryptographic Hash Functions

md5	b2583e8b471f2bc01130e2e30037b6dd
sha1	307845283c2811e4a1ee1bd7a2a903f56c0ca689
sha256	0c81c7a76dadc279a92d833ae0bdeac716c689c9c8d82679b515f74a75c7568a
sha512	a4f55e69203ebb23d1f91c741832bb8f02012c7360ed9c313952ab82290544040761c8e978d00e030ad7faab2e5db24bc31afb4b19590e2e32ca2a773ceb5f76
ripemd-160	a06648ee0004fc897f84ea0f44b84a587733c509

12561913 as geometric shapes

Circle

Radius = n

Diameter	25123826
Circumference	78928827.191668
Area	4.9574853018689E+14

Sphere

Radius = n

Volume	8.3033998747807E+21
Surface area	1.9829941207475E+15
Circumference	78928827.191668

Square

Length = n

Perimeter	50247652
Area	157801658219569
Diagonal	17765227.733951

Cube

Length = n

Surface area	946809949317414
Volume	1.98229070181E+21
Space diagonal	21757871.55626

Equilateral Triangle

Length = n

Perimeter	37685739
Area	68330122388728
Altitude	10878935.77813

Triangular Pyramid

Length = n

Surface area	68330122388728
Volume	2.3361519958881E+20
Height	5921742.5779836