12987718 is an even 8-digits composite number following 12987717
and preceding 12987719 . In scientific notation, it is written as 1.2987718 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 6426816 positive integers (up to 12987718) that are relatively prime to 12987718.
12987718 has 8 divisors, whose sum is 19682712
The reverse of 12987718 is 81778921
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twelve million nine hundred eighty-seven thousand seven hundred eighteen
Scientific notation
1.2987718 × 10^7
Engineering notation
1.2987718 × 10^6
Prime Factorization
2 × 97 × 66947
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12987718
Product of the distinct prime numbers
The prime factorization of 12987718 is 2 × 97 × 66947.
Since it has a total of 3 prime factors.
8 , 8 , 95 , 45 , 517 , 701 , 4744 , 4940 , 78956 , 94210 , 244560 , 155804 , 2311556 , 971648 , 78541953 , 19765321 , 661073341 , 651663741 , 9617297741 , 823345773
n×2
25975436
n×3
38963154
n×4
51950872
n×5
64938590
n÷2
6493859
n÷3
4329239.3333333
n÷3
3246929.5
n÷5
2597543.6
n2
168680818847524
n3
2.1907789072007E+21
n4
2.8453218647071E+28
n5
3.695423799805E+35
2 √n
3603.847666037
3 √n
235.05939648463
4 √n
60.032055320778
5 √n
26.467112907398
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12987717
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12987718 can be divided by 8 positive divisors.
The sum of these divisors (counting 12987718) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100010110101000110
3
Ternary
220102211210121
4
Quaternary
301202311012
5
Quinary
11311101333
6
Senary
1142212154
8
Octal
61426506
10
Decimal
12987718
12
Duodecimal
442405a
16
Hexadecimal
c62d46
20
Vigesimal
41395i
36
Base36
7qddy
md5
28241ebb4ef1e4bc386998e5923dcde1
sha1
b9d8c9263346fdfc853f99755d331b90a1ab70e0
sha256
c84ab80ee764c7675bc8aa4a0a116e4df90f191a5fbebe7092f4eadd953b4428
sha512
ef86a1e8fdc61c08cb7abf0a7f7857177819fab701969b88032fedf67a24c7b3bee41e606f6b922562e58617acd729648185085ca93ad335165273b7c5995dc9
ripemd-160
3c819576229d3b5945779d51a691cfbfeaa9c5af
Diameter
25975436
Circumference
81604238.911392
Area
5.2992642129289E+14
Volume
9.176713227335E+21
Surface area
2.1197056851716E+15
Circumference
81604238.911392
Perimeter
51950872
Area
168680818847524
Diagonal
18367406.939877
Surface area
1012084913085144
Volume
2.1907789072007E+21
Space diagonal
22495387.450377
Perimeter
38963154
Area
73040937126558
Altitude
11247693.725188
Surface area
73040937126558
Volume
2.5818577022701E+20
Height
6122468.9799591