12897145 is an odd 8-digits composite number following 12897144
and preceding 12897146 . In scientific notation, it is written as 1.2897145 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 10056384 positive integers (up to 12897145) that are relatively prime to 12897145.
12897145 has 16 divisors, whose sum is 15874560
The reverse of 12897145 is 54179821
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twelve million eight hundred ninety-seven thousand one hundred forty-five
Scientific notation
1.2897145 × 10^7
Engineering notation
1.2897145 × 10^6
Prime Factorization
5 × 79 × 103 × 317
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12897145
Product of the distinct prime numbers
The prime factorization of 12897145 is 5 × 79 × 103 × 317.
Since it has a total of 4 prime factors.
7 , 6 , 22 , 37 , 704 , 256 , 4299 , 7293 , 53261 , 33987 , 439367 , 467418 , 7038274 , 2533497 , 63486988 , 53717269 , 159964245 , 403353495 , 9369079129 , 8385684862
n×2
25794290
n×3
38691435
n×4
51588580
n×5
64485725
n÷2
6448572.5
n÷3
4299048.3333333
n÷3
3224286.25
n÷5
2579429
n2
166336349151025
n3
2.1452640137714E+21
n4
2.7667781048892E+28
n5
3.5683538401581E+35
2 √n
3591.2595283549
3 √n
234.51170679399
4 √n
59.927118471982
5 √n
26.430094534607
1 , 5 , 79 , 103 , 317 , 395 , 515 , 1585 , 8137 , 25043 , 32651 , 40685 , 125215 , 163255 , 2579429 , 12897145
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
-12897144
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 12897145 can be divided by 16 positive divisors.
The sum of these divisors (counting 12897145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001001100101101111001
3
Ternary
220021020120001
4
Quaternary
301030231321
5
Quinary
11300202040
6
Senary
1140233001
8
Octal
61145571
10
Decimal
12897145
12
Duodecimal
439b761
16
Hexadecimal
c4cb79
20
Vigesimal
40c2h5
36
Base36
7ofi1
md5
eafda14f5994a9ab80cbcc19cdf56830
sha1
68556ad17c9a00170d935020b84aa79e6657d32b
sha256
ffae66fbab56b60b1ab8fbfb9fb6828e08244ce684b763eab130ed6197c4532f
sha512
a10e7407ed10739fe984ecf5d5d023f2d2a9ecddeabb371b58c3b67800bb4451773bc9511ca6f8df5c119b8fe9b06032d082fa8e86379fff77b75aff93cc705e
ripemd-160
3195c90ebb5df332bb064eb3e63d4177b9acd2da
Diameter
25794290
Circumference
81035151.968565
Area
5.2256105251781E+14
Volume
8.9860608875664E+21
Surface area
2.0902442100712E+15
Circumference
81035151.968565
Perimeter
51588580
Area
166336349151025
Diagonal
18239317.374892
Surface area
998018094906150
Volume
2.1452640137714E+21
Space diagonal
22338510.412583
Perimeter
38691435
Area
72025751968773
Altitude
11169255.206291
Surface area
72025751968773
Volume
2.5282178859554E+20
Height
6079772.4582975