12912887 (number)

12912887 is an odd 8-digits composite number following 12912886 and preceding 12912888. In scientific notation, it is written as 1.2912887 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 11883168 positive integers (up to 12912887) that are relatively prime to 12912887.

Interesting facts

Basic properties

Name

Name twelve million nine hundred twelve thousand eight hundred eighty-seven

Notation

Scientific notation 1.2912887 × 10^7
Engineering notation 1.2912887 × 10^6

Prime Factorization of 12912887

Prime Factorization 13 × 2663 × 373

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12912887
Product of the distinct prime numbers

The prime factorization of 12912887 is 13 × 2663 × 373. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12912887)

Multiplication

n×y
n×2 25825774
n×3 38738661
n×4 51651548
n×5 64564435

Division

n÷y
n÷2 6456443.5
n÷3 4304295.6666667
n÷3 3228221.75
n÷5 2582577.4

Exponentiation

ny
n2 166742650674769
n3 2.1531290062438E+21
n4 2.7803111554048E+28
n5 3.5901843774582E+35

Nth Root

y√n
2√n 3593.4505701345
3√n 234.6070814501
4√n 59.945396571668
5√n 26.436543396921

Divisors of 12912887

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 -12912886
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 12912887 can be divided by 8 positive divisors. The sum of these divisors (counting 12912887) is 1, the average is 0.125.

Base conversion 12912887

Base System Value
2 Binary 110001010000100011110111
3 Ternary 220022001011002
4 Quaternary 301100203313
5 Quinary 11301203022
6 Senary 1140433515
8 Octal 61204367
10 Decimal 12912887
12 Duodecimal 43a889b
16 Hexadecimal c508f7
20 Vigesimal 40e247
36 Base36 7ornb

Cryptographic Hash Functions

md5 b9dfa1620091678ef55a811b8f41641c
sha1 6414e4be7075e4037bd52cb6beba1920dc3de57a
sha256 7fe1b5853e837822d88d888160c3f4cbb08a9ad7d4bbe88b1930a8bc83bb3adf
sha512 741be5520c1e52d0d82aacb99cf4dbc82584d88c1bcc40d1e3cb6206b4b87463b52c29f9eb009c2cd0bffe87adf0ccd38714da5136a02aa4acfcbb21ffdfc1ba
ripemd-160 1a091f33e82c1d9321733fa1df5315e0885fe06b

12912887 as geometric shapes

Circle

Radius = n
Diameter 25825774
Circumference 81134061.87167
Area 5.2383748639994E+14

Sphere

Radius = n
Volume 9.0190056909953E+21
Surface area 2.0953499455998E+15
Circumference 81134061.87167

Square

Length = n
Perimeter 51651548
Area 166742650674769
Diagonal 18261579.924791

Cube

Length = n
Surface area 1000455904048614
Volume 2.1531290062438E+21
Space diagonal 22365776.356396

Equilateral Triangle

Length = n
Perimeter 38738661
Area 72201685689352
Altitude 11182888.178198

Triangular Pyramid

Length = n
Surface area 72201685689352
Volume 2.537486868474E+20
Height 6087193.3082637