12656721 (number)

12656721 is an odd 8-digits composite number following 12656720 and preceding 12656722. In scientific notation, it is written as 1.2656721 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 6167040 positive integers (up to 12656721) that are relatively prime to 12656721.

Interesting facts

Basic properties

Name

Name twelve million six hundred fifty-six thousand seven hundred twenty-one

Notation

Scientific notation 1.2656721 × 10^7
Engineering notation 1.2656721 × 10^6

Prime Factorization of 12656721

Prime Factorization 3 × 7 × 121 × 17 × 293

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 12656721
Product of the distinct prime numbers

The prime factorization of 12656721 is 3 × 7 × 121 × 17 × 293. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 6, 94, 30, 166, 666, 2253, 6658, 32889, 62228, 979393, 26520, 302467, 1752024, 65533656, 59050908, 402327410, 664000898, 4585319880, 7766229136

Basic calculations (n = 12656721)

Multiplication

n×y
n×2 25313442
n×3 37970163
n×4 50626884
n×5 63283605

Division

n÷y
n÷2 6328360.5
n÷3 4218907
n÷3 3164180.25
n÷5 2531344.2

Exponentiation

ny
n2 160192586471841
n3 2.0275128732425E+21
n4 2.5661664760538E+28
n5 3.2479253126966E+35

Nth Root

y√n
2√n 3557.6285640859
3√n 233.04532878774
4√n 59.645859572027
5√n 26.330811339077

Divisors of 12656721

1, 3, 7, 17, 21, 51, 119, 121, 293, 357, 363, 847, 879, 2051, 2057, 2541, 4981, 6153, 6171, 14399, 14943, 34867, 35453, 43197, 104601, 106359, 248171, 602701, 744513, 1808103, 4218907, 12656721

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12656720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12656721 can be divided by 32 positive divisors. The sum of these divisors (counting 12656721) is 1, the average is 0.03125.

Base conversion 12656721

Base System Value
2 Binary 110000010010000001010001
3 Ternary 212211000202110
4 Quaternary 300102001101
5 Quinary 11220003341
6 Senary 1131135533
8 Octal 60220121
10 Decimal 12656721
12 Duodecimal 42a45a9
16 Hexadecimal c12051
20 Vigesimal 3j21g1
36 Base36 7j9zl

Cryptographic Hash Functions

md5 66a46a73341ac7f26f6a8b813cebbd87
sha1 3c68ce7fddad10e67fd63a4940fa159c2eb59c3f
sha256 0012cd5b501a1efe25a2bd0309511f836e57dc389626774380b4879a25ed05d1
sha512 2e87c0625f14d964d444592f07fde89c27ccf9e08e1cf0ca9224e984599906258b4bd8fb78dee5ad717613924ca9000d3b30fb49a511b104d6bb38ab56c11472
ripemd-160 91f46b462bc76559a66c2d2f71c0cde1ffb63596

12656721 as geometric shapes

Circle

Radius = n
Diameter 25313442
Circumference 79524523.424271
Area 5.0325985281948E+14

Sphere

Radius = n
Volume 8.4928260635164E+21
Surface area 2.0130394112779E+15
Circumference 79524523.424271

Square

Length = n
Perimeter 50626884
Area 160192586471841
Diagonal 17899306.493372

Cube

Length = n
Surface area 961155518831046
Volume 2.0275128732425E+21
Space diagonal 21922083.829224

Equilateral Triangle

Length = n
Perimeter 37970163
Area 69365424691275
Altitude 10961041.914612

Triangular Pyramid

Length = n
Surface area 69365424691275
Volume 2.3894468360213E+20
Height 5966435.4977908