12897287 is an odd 8-digits composite number following 12897286
and preceding 12897288 . In scientific notation, it is written as 1.2897287 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 11760768 positive integers (up to 12897287) that are relatively prime to 12897287.
12897287 has 8 divisors, whose sum is 14057904
The reverse of 12897287 is 78279821
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twelve million eight hundred ninety-seven thousand two hundred eighty-seven
Scientific notation
1.2897287 × 10^7
Engineering notation
1.2897287 × 10^6
Prime Factorization
13 × 83 × 11953
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12897287
Product of the distinct prime numbers
The prime factorization of 12897287 is 13 × 83 × 11953.
Since it has a total of 3 prime factors.
5 , 1 , 27 , 12 , 199 , 340 , 3128 , 5819 , 96313 , 63897 , 613564 , 929414 , 9484381 , 604441 , 60800365 , 41812502 , 951717439 , 310934167 , 4945413668 , 5341960901
n×2
25794574
n×3
38691861
n×4
51589148
n×5
64486435
n÷2
6448643.5
n÷3
4299095.6666667
n÷3
3224321.75
n÷5
2579457.4
n2
166340011960369
n3
2.1453348738363E+21
n4
2.7668999578976E+28
n5
3.5685502857293E+35
2 √n
3591.279298523
3 √n
234.51256746354
4 √n
59.927283423521
5 √n
26.430152734417
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
-12897286
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 12897287 can be divided by 8 positive divisors.
The sum of these divisors (counting 12897287) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001100110000000111
3
Ternary
220021020202022
4
Quaternary
301030300013
5
Quinary
11300203122
6
Senary
1140233355
8
Octal
61146007
10
Decimal
12897287
12
Duodecimal
439b85b
16
Hexadecimal
c4cc07
20
Vigesimal
40c347
36
Base36
7oflz
md5
f6a6285bf4edf0ef46e904bfaf9084bd
sha1
5b58cf1cc74bc73d540911e83c8ac0bcfb6b7539
sha256
4733c693970d1e8d535a885d4046ee248d0bdb9d85cbce787087444f1b7ec05a
sha512
bea885f698c8edc5369015a3092ddf62e4d306c9bab9972c7d37acdb5ffb10e94c9e56f80bd564fde3f600ba164bc5157472871657bfd0243ca23325b56ca9bf
ripemd-160
a5961efdaf709c171e2294d47c1b52da7b618bc3
Diameter
25794574
Circumference
81036044.180878
Area
5.2257255957273E+14
Volume
8.9863577055122E+21
Surface area
2.0902902382909E+15
Circumference
81036044.180878
Perimeter
51589148
Area
166340011960369
Diagonal
18239518.193218
Surface area
998040071762214
Volume
2.1453348738363E+21
Space diagonal
22338756.363798
Perimeter
38691861
Area
72027338011743
Altitude
11169378.181899
Surface area
72027338011743
Volume
2.5283013953427E+20
Height
6079839.3977394