12781288 is an even 8-digits composite number following 12781287
and preceding 12781289 . In scientific notation, it is written as 1.2781288 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 32 positive divisors.
There are 5796288 positive integers (up to 12781288) that are relatively prime to 12781288.
12781288 has 32 divisors, whose sum is 26258400
The reverse of 12781288 is 88218721
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twelve million seven hundred eighty-one thousand two hundred eighty-eight
Scientific notation
1.2781288 × 10^7
Engineering notation
1.2781288 × 10^6
Prime Factorization
2 × 2 × 2 × 13 × 59 × 2083
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3195322
Product of the distinct prime numbers
The prime factorization of 12781288 is 2 × 2 × 2 × 13 × 59 × 2083.
Since it has a total of 6 prime factors.
4 , 2 , 45 , 45 , 667 , 713 , 8000 , 480 , 50839 , 45119 , 497567 , 166584 , 3028134 , 9866507 , 91199328 , 48467731 , 356939140 , 647575578 , 8555329549 , 13883113
n×2
25562576
n×3
38343864
n×4
51125152
n×5
63906440
n÷2
6390644
n÷3
4260429.3333333
n÷3
3195322
n÷5
2556257.6
n2
163361322938944
n3
2.0879681165436E+21
n4
2.6686921832362E+28
n5
3.4109323377291E+35
2 √n
3575.0927260702
3 √n
233.80737550833
4 √n
59.792079124832
5 √n
26.382437877161
1 , 2 , 4 , 8 , 13 , 26 , 52 , 59 , 104 , 118 , 236 , 472 , 767 , 1534 , 2083 , 3068 , 4166 , 6136 , 8332 , 16664 , 27079 , 54158 , 108316 , 122897 , 216632 , 245794 , 491588 , 983176 , 1597661 , 3195322 , 6390644 , 12781288
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
-12781287
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 12781288 can be divided by 32 positive divisors.
The sum of these divisors (counting 12781288) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110000110000011011101000
3
Ternary
220001100122001
4
Quaternary
300300123220
5
Quinary
11233000123
6
Senary
1133540344
8
Octal
60603350
10
Decimal
12781288
12
Duodecimal
43446b4
16
Hexadecimal
c306e8
20
Vigesimal
3jhd48
36
Base36
7ly3s
md5
6bbe366a120dcbcb1f4dac7cb67cbbd4
sha1
2052dd63176fda5e3abde7d47c343a40141ac000
sha256
704d2170eee49e4d315c48f0d9079de33c91092d0311dd298b995caaa8724682
sha512
d40d48278f0eee8b7255bbd03dfba4a7aab771c8cac8134153748d8f1c897e83f7259820acb3c84e670b77fc3ee7202cbd95334632e5b0f0b6f89dabe32732bf
ripemd-160
0740e9be91c6d37f1b34e09f132b030cb593a8bf
Diameter
25562576
Circumference
80307200.968431
Area
5.132147320257E+14
Volume
8.7460603944843E+21
Surface area
2.0528589281028E+15
Circumference
80307200.968431
Perimeter
51125152
Area
163361322938944
Diagonal
18075470.834196
Surface area
980167937633664
Volume
2.0879681165436E+21
Space diagonal
22137840.20217
Perimeter
38343864
Area
70737527830480
Altitude
11068920.101085
Surface area
70737527830480
Volume
2.4606940235155E+20
Height
6025156.9447322