12561664 (number)

12561664 is an even 8-digits composite number following 12561663 and preceding 12561665. In scientific notation, it is written as 1.2561664 × 10^7. The sum of its digits is 31. It has a total of 9 prime factors and 18 positive divisors. There are 6280704 positive integers (up to 12561664) that are relatively prime to 12561664.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2561664 × 10^7
Engineering notation 1.2561664 × 10^6

Prime Factorization of 12561664

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 49069

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 98138
Product of the distinct prime numbers

The prime factorization of 12561664 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 49069. Since it has a total of 9 prime factors.

Most popular turbo-numbers

5, 9, 67, 91, 155, 510, 6187, 1770, 17481, 93181, 99536, 254619, 7402752, 1288907, 89459983, 54315926, 684466355, 28455974, 8686899542, 3150047602

Basic calculations (n = 12561664)

Multiplication

n×y
n×2 25123328
n×3 37684992
n×4 50246656
n×5 62808320

Division

n÷y
n÷2 6280832
n÷3 4187221.3333333
n÷3 3140416
n÷5 2512332.8

Exponentiation

ny
n2 157795402448896
n3 1.9821728263078E+21
n4 2.4899389034009E+28
n5 3.1277775885051E+35

Nth Root

y√n
2√n 3544.2437839404
3√n 232.46044110558
4√n 59.533551749752
5√n 26.291141013897

Divisors of 12561664

1, 2, 4, 8, 16, 32, 64, 128, 256, 49069, 98138, 196276, 392552, 785104, 1570208, 3140416, 6280832, 12561664

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12561663
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12561664 can be divided by 18 positive divisors. The sum of these divisors (counting 12561664) is 1, the average is 0.055555555555556.

Base conversion 12561664

Base System Value
2 Binary 101111111010110100000000
3 Ternary 212122012100211
4 Quaternary 233322310000
5 Quinary 11203433124
6 Senary 1125123504
8 Octal 57726400
10 Decimal 12561664
12 Duodecimal 4259594
16 Hexadecimal bfad00
20 Vigesimal 3ia434
36 Base36 7h8n4

Cryptographic Hash Functions

md5 482e5d6fca0572a2885c5d3ea172f39a
sha1 42ada0763689d3ad20472e0205c78867a9e4ff0e
sha256 a6acef061e1e7e3ebcb63fd3d63386483357b504612305e2da4167ad9be5e198
sha512 ba17fdfbfa71f42d36b53dfc20ee4e6db2613d49625f1b7e3c1d45d35de598104773d02a2f9f625edc585d6d467258ce3078c8aaf33ee352e3812fd5d6543399
ripemd-160 d2481682547d9306f6807c70c949568c80563bdf

12561664 as geometric shapes

Circle

Radius = n
Diameter 25123328
Circumference 78927262.678527
Area 4.957288771037E+14

Sphere

Radius = n
Volume 8.3029061190319E+21
Surface area 1.9829155084148E+15
Circumference 78927262.678527

Square

Length = n
Perimeter 50246656
Area 157795402448896
Diagonal 17764875.594774

Cube

Length = n
Surface area 946772414693376
Volume 1.9821728263078E+21
Space diagonal 21757440.275609

Equilateral Triangle

Length = n
Perimeter 37684992
Area 68327413560567
Altitude 10878720.137804

Triangular Pyramid

Length = n
Surface area 68327413560567
Volume 2.3360130782766E+20
Height 5921625.198258