12905655 is an odd 8-digits composite number following 12905654
and preceding 12905656 . In scientific notation, it is written as 1.2905655 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 5588352 positive integers (up to 12905655) that are relatively prime to 12905655.
12905655 has 16 divisors, whose sum is 17080800
The reverse of 12905655 is 55650921
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twelve million nine hundred five thousand six hundred fifty-five
Scientific notation
1.2905655 × 10^7
Engineering notation
1.2905655 × 10^6
Prime Factorization
21 × 5 × 19 × 6469
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12905655
Product of the distinct prime numbers
The prime factorization of 12905655 is 21 × 5 × 19 × 6469.
Since it has a total of 4 prime factors.
6 , 6 , 12 , 73 , 592 , 987 , 2980 , 5059 , 58001 , 76719 , 390203 , 798240 , 4179183 , 6469283 , 62799125 , 88254730 , 944217460 , 686688561 , 3480361412 , 4783096094
n×2
25811310
n×3
38716965
n×4
51622620
n×5
64528275
n÷2
6452827.5
n÷3
4301885
n÷3
3226413.75
n÷5
2581131
n2
166555930979025
n3
2.1495133834191E+21
n4
2.774087814429E+28
n5
3.5801420272724E+35
2 √n
3592.4441540545
3 √n
234.5632752055
4 √n
59.937001543741
5 √n
26.433581519732
1 , 5 , 19 , 21 , 95 , 105 , 399 , 1995 , 6469 , 32345 , 122911 , 135849 , 614555 , 679245 , 2581131 , 12905655
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
-12905654
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 12905655 can be divided by 16 positive divisors.
The sum of these divisors (counting 12905655) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001001110110010110111
3
Ternary
220021200020020
4
Quaternary
301032302313
5
Quinary
11300440110
6
Senary
1140340223
8
Octal
61166267
10
Decimal
12905655
12
Duodecimal
43a4673
16
Hexadecimal
c4ecb7
20
Vigesimal
40d42f
36
Base36
7om2f
md5
f67b1b14f421ac426e136ce96f61cb08
sha1
eb8752450f953db8804be13a45e54b327af9afda
sha256
df733cab0aa12abcfdcefa1cb1e689aaf105afb94682d977add4556a49d57aa2
sha512
7a52db3829c6531223d9c5a1f258e656e5ca1f28cfa767d1951289e9421c96c5a2b5a72d00e852d42fb3089fced95afd704a82271fe6c83c24de69548a78427c
ripemd-160
a75c4f1f424f270eb2da7e1dcd234379347c0018
Diameter
25811310
Circumference
81088621.875529
Area
5.2325088917551E+14
Volume
9.0038606055232E+21
Surface area
2.0930035567021E+15
Circumference
81088621.875529
Perimeter
51622620
Area
166555930979025
Diagonal
18251352.332308
Surface area
999335585874150
Volume
2.1495133834191E+21
Space diagonal
22353250.164955
Perimeter
38716965
Area
72120833689402
Altitude
11176625.082478
Surface area
72120833689402
Volume
2.5332258161115E+20
Height
6083784.1107694