12561916 (number)

12561916 is an even 8-digits composite number following 12561915 and preceding 12561917. In scientific notation, it is written as 1.2561916 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 6272640 positive integers (up to 12561916) that are relatively prime to 12561916.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2561916 × 10^7
Engineering notation 1.2561916 × 10^6

Prime Factorization of 12561916

Prime Factorization 2 × 2 × 991 × 3169

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6280958
Product of the distinct prime numbers

The prime factorization of 12561916 is 2 × 2 × 991 × 3169. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12561916)

Multiplication

n×y
n×2 25123832
n×3 37685748
n×4 50247664
n×5 62809580

Division

n÷y
n÷2 6280958
n÷3 4187305.3333333
n÷3 3140479
n÷5 2512383.2

Exponentiation

ny
n2 157801733591056
n3 1.9822921220252E+21
n4 2.4901387124343E+28
n5 3.1280913333947E+35

Nth Root

y√n
2√n 3544.279334364
3√n 232.46199556098
4√n 59.533850323694
5√n 26.291246498558

Divisors of 12561916

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12561915
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12561916 can be divided by 12 positive divisors. The sum of these divisors (counting 12561916) is 1, the average is 0.083333333333333.

Base conversion 12561916

Base System Value
2 Binary 101111111010110111111100
3 Ternary 212122012201011
4 Quaternary 233322313330
5 Quinary 11203440131
6 Senary 1125125004
8 Octal 57726774
10 Decimal 12561916
12 Duodecimal 4259764
16 Hexadecimal bfadfc
20 Vigesimal 3ia4fg
36 Base36 7h8u4

Cryptographic Hash Functions

md5 45aa1ff21b47c2217fa0dadcb5126328
sha1 ef92eb7270833a573d14aa95427e1fea2c39748f
sha256 99ab31ce90786d29cf26a0a2cbe7522fa8556eb32f50c0450c5462f399776e38
sha512 52a187ce23a73e7f45cd88794488f156dfa12550abe89518cb6a2f10803830f67acd4b3c7f507dd5ac41d1c6ad3f023ce68dc20b47c2530f0e4ba43bac490b23
ripemd-160 f0dbeda712c49ea30ef09224ad3f87a04688f531

12561916 as geometric shapes

Circle

Radius = n
Diameter 25123832
Circumference 78928846.041224
Area 4.957487669734E+14

Sphere

Radius = n
Volume 8.3034058237645E+21
Surface area 1.9829950678936E+15
Circumference 78928846.041224

Square

Length = n
Perimeter 50247664
Area 157801733591056
Diagonal 17765231.976592

Cube

Length = n
Surface area 946810401546336
Volume 1.9822921220252E+21
Space diagonal 21757876.752412

Equilateral Triangle

Length = n
Perimeter 37685748
Area 68330155025539
Altitude 10878938.376206

Triangular Pyramid

Length = n
Surface area 68330155025539
Volume 2.3361536696278E+20
Height 5921743.9921972