12918312 is an even 8-digits composite number following 12918311
and preceding 12918313 . In scientific notation, it is written as 1.2918312 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 3913920 positive integers (up to 12918312) that are relatively prime to 12918312.
12918312 has 16 divisors, whose sum is 24307860
The reverse of 12918312 is 21381921
Previous prime number is 297
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million nine hundred eighteen thousand three hundred twelve
Scientific notation
1.2918312 × 10^7
Engineering notation
1.2918312 × 10^6
Prime Factorization
2 × 2 × 2 × 297 × 5437
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3229578
Product of the distinct prime numbers
The prime factorization of 12918312 is 2 × 2 × 2 × 297 × 5437.
Since it has a total of 5 prime factors.
4 , 9 , 91 , 63 , 745 , 565 , 6168 , 6563 , 61043 , 15028 , 21439 , 932846 , 9447678 , 5716631 , 48829315 , 13035126 , 273598896 , 168833123 , 6148738638 , 9718603436
n×2
25836624
n×3
38754936
n×4
51673248
n×5
64591560
n÷2
6459156
n÷3
4306104
n÷3
3229578
n÷5
2583662.4
n2
166882784929344
n3
2.1558438831462E+21
n4
2.7849863905774E+28
n5
3.5977323109232E+35
2 √n
3594.2053363713
3 √n
234.63993145548
4 √n
59.951691688987
5 √n
26.438764343371
1 , 2 , 4 , 8 , 297 , 594 , 1188 , 2376 , 5437 , 10874 , 21748 , 43496 , 1614789 , 3229578 , 6459156 , 12918312
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
-12918311
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 12918312 can be divided by 16 positive divisors.
The sum of these divisors (counting 12918312) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001010001111000101000
3
Ternary
220022022121000
4
Quaternary
301101320220
5
Quinary
11301341222
6
Senary
1140515000
8
Octal
61217050
10
Decimal
12918312
12
Duodecimal
43aba60
16
Hexadecimal
c51e28
20
Vigesimal
40effc
36
Base36
7ovu0
md5
940ae546cb3b6443cd23b1f0f888be31
sha1
a4056afaf50712b3d692c9e60e25a196a77fb92e
sha256
445fe489873d6515b8e1edcd426c6cb7301bda18743123d61db7105847449bfa
sha512
393eeabe832ab06fae92667dad483f0a80b8608257b9eb23d3a411a2f8e98df23c689ed621c56269d12efa93d3e20c89bcda6512cd773af88b40f2572d64f976
ripemd-160
9f727a1b0972e5ac3c6e0d6226a82d75f4c8fc29
Diameter
25836624
Circumference
81168148.151962
Area
5.2427773114463E+14
Volume
9.0303777407713E+21
Surface area
2.0971109245785E+15
Circumference
81168148.151962
Perimeter
51673248
Area
166882784929344
Diagonal
18269252.033367
Surface area
1001296709576064
Volume
2.1558438831462E+21
Space diagonal
22375172.732027
Perimeter
38754936
Area
72262365601553
Altitude
11187586.366013
Surface area
72262365601553
Volume
2.540686381587E+20
Height
6089750.677789