12687645 (number)

12687645 is an odd 8-digits composite number following 12687644 and preceding 12687646. In scientific notation, it is written as 1.2687645 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 6533184 positive integers (up to 12687645) that are relatively prime to 12687645.

Interesting facts

Basic properties

Name

Name twelve million six hundred eighty-seven thousand six hundred forty-five

Notation

Scientific notation 1.2687645 × 10^7
Engineering notation 1.2687645 × 10^6

Prime Factorization of 12687645

Prime Factorization 3 × 5 × 29 × 29167

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12687645
Product of the distinct prime numbers

The prime factorization of 12687645 is 3 × 5 × 29 × 29167. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 6, 88, 17, 511, 807, 8936, 43553, 14135, 105826, 560724, 1986262, 6553306, 12219876, 98690861, 923044592, 542127427, 1611639789, 1468619953

Basic calculations (n = 12687645)

Multiplication

n×y
n×2 25375290
n×3 38062935
n×4 50750580
n×5 63438225

Division

n÷y
n÷2 6343822.5
n÷3 4229215
n÷3 3171911.25
n÷5 2537529

Exponentiation

ny
n2 160976335646025
n3 2.0424106000776E+21
n4 2.5913380638022E+28
n5 3.2877977428509E+35

Nth Root

y√n
2√n 3561.9720661454
3√n 233.23497328206
4√n 59.682259224542
5√n 26.343665527646

Divisors of 12687645

1, 3, 5, 15, 29, 87, 145, 435, 29167, 87501, 145835, 437505, 845843, 2537529, 4229215, 12687645

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 -12687644
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 12687645 can be divided by 16 positive divisors. The sum of these divisors (counting 12687645) is 1, the average is 0.0625.

Base conversion 12687645

Base System Value
2 Binary 110000011001100100011101
3 Ternary 212212121011210
4 Quaternary 300121210131
5 Quinary 11222001040
6 Senary 1131535033
8 Octal 60314435
10 Decimal 12687645
12 Duodecimal 42ba479
16 Hexadecimal c1991d
20 Vigesimal 3j5j25
36 Base36 7jxul

Cryptographic Hash Functions

md5 dcfd77e32b8791dcca1520b88c4fb41d
sha1 e1c7180d217964af8711387c48b61938820b5e75
sha256 f573546d35f1346c6d1119763567a6fb8d35ab07ac850ef9648c8456b7f8c7b4
sha512 d60ee62f3b41903513e78f65aeb90680a2a2f89d249ff0a33d41702bc0ff20fd505bbd36128c1a5bfe6b5b8ee15328024d9358e9a7f748b62833458e6303a383
ripemd-160 1db3b747368b094e063438232a0255d4e442a3c2

12687645 as geometric shapes

Circle

Radius = n
Diameter 25375290
Circumference 79718824.646711
Area 5.0572207346736E+14

Sphere

Radius = n
Volume 8.555229515757E+21
Surface area 2.0228882938694E+15
Circumference 79718824.646711

Square

Length = n
Perimeter 50750580
Area 160976335646025
Diagonal 17943039.633575

Cube

Length = n
Surface area 965858013876150
Volume 2.0424106000776E+21
Space diagonal 21975645.768397

Equilateral Triangle

Length = n
Perimeter 38062935
Area 69704798038794
Altitude 10987822.884199

Triangular Pyramid

Length = n
Surface area 69704798038794
Volume 2.4070039754703E+20
Height 5981013.2111917