12986721 is an odd 8-digits composite number following 12986720
and preceding 12986722 . In scientific notation, it is written as 1.2986721 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 7823040 positive integers (up to 12986721) that are relatively prime to 12986721.
12986721 has 16 divisors, whose sum is 15837120
The reverse of 12986721 is 12768921
Previous prime number is 233
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million nine hundred eighty-six thousand seven hundred twenty-one
Scientific notation
1.2986721 × 10^7
Engineering notation
1.2986721 × 10^6
Prime Factorization
9 × 11 × 233 × 563
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12986721
Product of the distinct prime numbers
The prime factorization of 12986721 is 9 × 11 × 233 × 563.
Since it has a total of 4 prime factors.
2 , 9 , 6 , 36 , 975 , 633 , 7800 , 4397 , 84680 , 90128 , 771062 , 436077 , 3670498 , 405803 , 33873647 , 59153906 , 68280476 , 41348854 , 6646012214 , 6981369722
n×2
25973442
n×3
38960163
n×4
51946884
n×5
64933605
n÷2
6493360.5
n÷3
4328907
n÷3
3246680.25
n÷5
2597344.2
n2
168654922331841
n3
2.1902744216003E+21
n4
2.8444482826759E+28
n5
3.6940056246041E+35
2 √n
3603.7093390006
3 √n
235.05338156563
4 √n
60.03090319994
5 √n
26.466706546221
1 , 9 , 11 , 99 , 233 , 563 , 2097 , 2563 , 5067 , 6193 , 23067 , 55737 , 131179 , 1180611 , 1442969 , 12986721
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
-12986720
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 12986721 can be divided by 16 positive divisors.
The sum of these divisors (counting 12986721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001100010100101100001
3
Ternary
220102210102200
4
Quaternary
301202211201
5
Quinary
11311033341
6
Senary
1142203413
8
Octal
61424541
10
Decimal
12986721
12
Duodecimal
4423569
16
Hexadecimal
c62961
20
Vigesimal
4136g1
36
Base36
7qcm9
md5
30f0377b2dc770652983be04201d27ea
sha1
65d5a734c52e9c8fda5b644183b7779cad9e8346
sha256
27ed127e8a5db16e522e76e57d5115924845e3f3c5d8ffc6b863d449402412ae
sha512
fe57704d62e1472a8ed5a6e5989d6a3c372bfd0d57f7427d3b90c5e7d941390ab2f7c05dedc07230bc06062730f33b10c144f4272598cb04ba72dcbe41f63670
ripemd-160
c8bd274854f71fc5c046ce56c734023282119985
Diameter
25973442
Circumference
81597974.575641
Area
5.2984506498947E+14
Volume
9.1746000429935E+21
Surface area
2.1193802599579E+15
Circumference
81597974.575641
Perimeter
51946884
Area
168654922331841
Diagonal
18365996.968955
Surface area
1011929533991046
Volume
2.1902744216003E+21
Space diagonal
22493660.595722
Perimeter
38960163
Area
73029723606333
Altitude
11246830.297861
Surface area
73029723606333
Volume
2.5812631602883E+20
Height
6121998.9896518