12887788 is an even 8-digits composite number following 12887787
and preceding 12887789 . In scientific notation, it is written as 1.2887788 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 6293952 positive integers (up to 12887788) that are relatively prime to 12887788.
12887788 has 12 divisors, whose sum is 23078440
The reverse of 12887788 is 88778821
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
twelve million eight hundred eighty-seven thousand seven hundred eighty-eight
Scientific notation
1.2887788 × 10^7
Engineering notation
1.2887788 × 10^6
Prime Factorization
2 × 2 × 43 × 74929
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6443894
Product of the distinct prime numbers
The prime factorization of 12887788 is 2 × 2 × 43 × 74929.
Since it has a total of 4 prime factors.
9 , 9 , 46 , 17 , 830 , 467 , 9161 , 66 , 82373 , 15782 , 37982 , 429787 , 4560367 , 6378621 , 73173298 , 37529020 , 104867607 , 706815271 , 2767556574 , 5082654890
n×2
25775576
n×3
38663364
n×4
51551152
n×5
64438940
n÷2
6443894
n÷3
4295929.3333333
n÷3
3221947
n÷5
2577557.6
n2
166095079532944
n3
2.1405981728637E+21
n4
2.7587575445055E+28
n5
3.5554282376987E+35
2 √n
3589.956545698
3 √n
234.45497959009
4 √n
59.916246091507
5 √n
26.426258364741
1 , 2 , 4 , 43 , 86 , 172 , 74929 , 149858 , 299716 , 3221947 , 6443894 , 12887788
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12887787
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12887788 can be divided by 12 positive divisors.
The sum of these divisors (counting 12887788) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110001001010011011101100
3
Ternary
220020202201111
4
Quaternary
301022123230
5
Quinary
11244402123
6
Senary
1140121404
8
Octal
61123354
10
Decimal
12887788
12
Duodecimal
4396264
16
Hexadecimal
c4a6ec
20
Vigesimal
40aj98
36
Base36
7o8a4
md5
7182e52641e275412e05d7375c298c52
sha1
2c8f48b2142874ecea57e2ae4847279c0f49dc4b
sha256
18b3e9f508bd04c41da039bd9eee07e3e118677666e5dc38cf6f4efff35b0e12
sha512
45a2e4f4b5756540bb4a1166aaf272c85e9e3b0a6a39123c3d8c4f3eaf5b37d987e5b4678abf7db63050fc1712377ae047004f867e9add676d875702b541500f
ripemd-160
302590672d08b7cf4d8ed214dda089553bb78bd2
Diameter
25775576
Circumference
80976360.203645
Area
5.2180308165811E+14
Volume
8.9665166588752E+21
Surface area
2.0872123266324E+15
Circumference
80976360.203645
Perimeter
51551152
Area
166095079532944
Diagonal
18226084.578589
Surface area
996570477197664
Volume
2.1405981728637E+21
Space diagonal
22322303.613176
Perimeter
38663364
Area
71921279159563
Altitude
11161151.806588
Surface area
71921279159563
Volume
2.5227191397125E+20
Height
6075361.5261964