12561621 (number)

12561621 is an odd 8-digits composite number following 12561620 and preceding 12561622. In scientific notation, it is written as 1.2561621 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 8052480 positive integers (up to 12561621) that are relatively prime to 12561621.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2561621 × 10^7
Engineering notation 1.2561621 × 10^6

Prime Factorization of 12561621

Prime Factorization 3 × 73 × 41 × 1399

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12561621
Product of the distinct prime numbers

The prime factorization of 12561621 is 3 × 73 × 41 × 1399. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12561621)

Multiplication

n×y
n×2 25123242
n×3 37684863
n×4 50246484
n×5 62808105

Division

n÷y
n÷2 6280810.5
n÷3 4187207
n÷3 3140405.25
n÷5 2512324.2

Exponentiation

ny
n2 157794322147641
n3 1.9821524707706E+21
n4 2.4899048102034E+28
n5 3.1277240551851E+35

Nth Root

y√n
2√n 3544.237717761
3√n 232.46017585913
4√n 59.533500802162
5√n 26.291123014361

Divisors of 12561621

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 -12561620
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 12561621 can be divided by 16 positive divisors. The sum of these divisors (counting 12561621) is 1, the average is 0.0625.

Base conversion 12561621

Base System Value
2 Binary 101111111010110011010101
3 Ternary 212122012022020
4 Quaternary 233322303111
5 Quinary 11203432441
6 Senary 1125123353
8 Octal 57726325
10 Decimal 12561621
12 Duodecimal 4259559
16 Hexadecimal bfacd5
20 Vigesimal 3ia411
36 Base36 7h8lx

Cryptographic Hash Functions

md5 b5fd5cac0a4b64cb18b520d7746e8463
sha1 441dddb655bc4a453730564d61332f0995379ab9
sha256 1612efbca60770d9900f3eea19772a99cf884bbfb9192bf89fe0efa930db10da
sha512 d061eb2124281cf4c7603c334f55751d882782f68bd09f69ca6268fc6464d3a6aeec2809a9ecac6a5a9cf4b0a8f20d3a58976b59d26e4f7da7b3295455dcdb86
ripemd-160 fdc25f90a0727a0e1d9abadebc188c44a64a456a

12561621 as geometric shapes

Circle

Radius = n
Diameter 25123242
Circumference 78926992.501559
Area 4.9572548323721E+14

Sphere

Radius = n
Volume 8.3028208539569E+21
Surface area 1.9829019329488E+15
Circumference 78926992.501559

Square

Length = n
Perimeter 50246484
Area 157794322147641
Diagonal 17764814.783591

Cube

Length = n
Surface area 946765932885846
Volume 1.9821524707706E+21
Space diagonal 21757365.797424

Equilateral Triangle

Length = n
Perimeter 37684863
Area 68326945776401
Altitude 10878682.898712

Triangular Pyramid

Length = n
Surface area 68326945776401
Volume 2.3359890890459E+20
Height 5921604.9278636