12887345 (number)

12887345 is an odd 8-digits composite number following 12887344 and preceding 12887346. In scientific notation, it is written as 1.2887345 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 10243584 positive integers (up to 12887345) that are relatively prime to 12887345.

Interesting facts

Basic properties

Name

Name twelve million eight hundred eighty-seven thousand three hundred forty-five

Notation

Scientific notation 1.2887345 × 10^7
Engineering notation 1.2887345 × 10^6

Prime Factorization of 12887345

Prime Factorization 5 × 157 × 16417

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12887345
Product of the distinct prime numbers

The prime factorization of 12887345 is 5 × 157 × 16417. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12887345)

Multiplication

n×y
n×2 25774690
n×3 38662035
n×4 51549380
n×5 64436725

Division

n÷y
n÷2 6443672.5
n÷3 4295781.6666667
n÷3 3221836.25
n÷5 2577469

Exponentiation

ny
n2 166083661149025
n3 2.1403774400906E+21
n4 2.7583782500664E+28
n5 3.5548172149102E+35

Nth Root

y√n
2√n 3589.8948452566
3√n 234.45229320341
4√n 59.915731200217
5√n 26.426076688981

Divisors of 12887345

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12887344
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12887345 can be divided by 8 positive divisors. The sum of these divisors (counting 12887345) is 1, the average is 0.125.

Base conversion 12887345

Base System Value
2 Binary 110001001010010100110001
3 Ternary 220020202010002
4 Quaternary 301022110301
5 Quinary 11244343340
6 Senary 1140115345
8 Octal 61122461
10 Decimal 12887345
12 Duodecimal 4395b55
16 Hexadecimal c4a531
20 Vigesimal 40ai75
36 Base36 7o7xt

Cryptographic Hash Functions

md5 ddb96e308bc6ca80e969b616d715f640
sha1 e314ea3a297c5346ff57cdfa339a4942b2bd081f
sha256 bf40faa5b074d43f26a29286515f4003a75bd875e400a75f72f997a8d7a66dcb
sha512 c97d3d5abedce96f2bd76e87bbb3b4cd2238ac8473fd3abdb6ac331b968a833fe5ce403e42cf3a1f2e53f2b2c83487a5fbbcf060037f672caa770f81e111a701
ripemd-160 1c8a472fa3f451d623f3a89c84fe6d4296ee1648

12887345 as geometric shapes

Circle

Radius = n
Diameter 25774690
Circumference 80973576.752554
Area 5.2176720974707E+14

Sphere

Radius = n
Volume 8.9655920555972E+21
Surface area 2.0870688389883E+15
Circumference 80973576.752554

Square

Length = n
Perimeter 51549380
Area 166083661149025
Diagonal 18225458.081981

Cube

Length = n
Surface area 996501966894150
Volume 2.1403774400906E+21
Space diagonal 22321536.314669

Equilateral Triangle

Length = n
Perimeter 38662035
Area 71916334854291
Altitude 11160768.157334

Triangular Pyramid

Length = n
Surface area 71916334854291
Volume 2.5224590036446E+20
Height 6075152.6939937