12881505 is an odd 8-digits composite number following 12881504
and preceding 12881506 . In scientific notation, it is written as 1.2881505 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 5435136 positive integers (up to 12881505) that are relatively prime to 12881505.
12881505 has 32 divisors, whose sum is 25369344
The reverse of 12881505 is 50518821
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million eight hundred eighty-one thousand five hundred five
Scientific notation
1.2881505 × 10^7
Engineering notation
1.2881505 × 10^6
Prime Factorization
7 × 5 × 3 × 13 × 9437
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12881505
Product of the distinct prime numbers
The prime factorization of 12881505 is 7 × 5 × 3 × 13 × 9437.
Since it has a total of 5 prime factors.
3 , 6 , 92 , 41 , 987 , 400 , 513 , 20 , 35925 , 66276 , 519305 , 502177 , 7414928 , 2108895 , 14259229 , 83091019 , 567403900 , 340381667 , 1537373013 , 2026976343
n×2
25763010
n×3
38644515
n×4
51526020
n×5
64407525
n÷2
6440752.5
n÷3
4293835
n÷3
3220376.25
n÷5
2576301
n2
165933171065025
n3
2.13746897274E+21
n4
2.7533817259695E+28
n5
3.5467700469985E+35
2 √n
3589.0813587881
3 √n
234.41687322963
4 √n
59.908942227251
5 √n
26.423681218548
1 , 3 , 5 , 7 , 13 , 15 , 21 , 35 , 39 , 65 , 91 , 105 , 195 , 273 , 455 , 1365 , 9437 , 28311 , 47185 , 66059 , 122681 , 141555 , 198177 , 330295 , 368043 , 613405 , 858767 , 990885 , 1840215 , 2576301 , 4293835 , 12881505
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12881504
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12881505 can be divided by 32 positive divisors.
The sum of these divisors (counting 12881505) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110001001000111001100001
3
Ternary
220020110002210
4
Quaternary
301020321201
5
Quinary
11244202010
6
Senary
1140032333
8
Octal
61107141
10
Decimal
12881505
12
Duodecimal
43926a9
16
Hexadecimal
c48e61
20
Vigesimal
40a3f5
36
Base36
7o3fl
md5
39a83c56a417dbf90df1ad1f570ff289
sha1
9e0351150966011c1879f1370e1535ad6455e9a3
sha256
8b96a107685196b9628034bb3bf5e54906a9d780e73dd3e3388cbcd5e5300afb
sha512
76b1394fbad00aa648faa572830cded2a20ccf526ed8a68c06e6ea2e6263b5be3dd94d215032499cf8283cdc741f69385908f4d40cebb7c8e7423df726d390b1
ripemd-160
2d749d7d16e299ade884049ea2f5527fa8beb330
Diameter
25763010
Circumference
80936882.95036
Area
5.2129443120474E+14
Volume
8.953409096048E+21
Surface area
2.085177724819E+15
Circumference
80936882.95036
Perimeter
51526020
Area
165933171065025
Diagonal
18217199.074777
Surface area
995599026390150
Volume
2.13746897274E+21
Space diagonal
22311421.137953
Perimeter
38644515
Area
71851170736410
Altitude
11155710.568976
Surface area
71851170736410
Volume
2.5190313420005E+20
Height
6072399.6915923