12642938 is an even 8-digits composite number following 12642937
and preceding 12642939 . In scientific notation, it is written as 1.2642938 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 32 positive divisors.
There are 4829760 positive integers (up to 12642938) that are relatively prime to 12642938.
12642938 has 32 divisors, whose sum is 24105600
The reverse of 12642938 is 83924621
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million six hundred forty-two thousand nine hundred thirty-eight
Scientific notation
1.2642938 × 10^7
Engineering notation
1.2642938 × 10^6
Prime Factorization
2 × 7 × 11 × 53 × 1549
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12642938
Product of the distinct prime numbers
The prime factorization of 12642938 is 2 × 7 × 11 × 53 × 1549.
Since it has a total of 5 prime factors.
7 , 7 , 95 , 79 , 376 , 399 , 1075 , 3373 , 50311 , 65725 , 561431 , 666217 , 6697723 , 946942 , 98452649 , 15528448 , 905809159 , 827597817 , 6207779319 , 8345268916
n×2
25285876
n×3
37928814
n×4
50571752
n×5
63214690
n÷2
6321469
n÷3
4214312.6666667
n÷3
3160734.5
n÷5
2528587.6
n2
159843881271844
n3
2.0208962805993E+21
n4
2.5550066380047E+28
n5
3.2302790513882E+35
2 √n
3555.6909314506
3 √n
232.96070364569
4 √n
59.629614550579
5 √n
26.325074059081
1 , 2 , 7 , 11 , 14 , 22 , 53 , 77 , 106 , 154 , 371 , 583 , 742 , 1166 , 1549 , 3098 , 4081 , 8162 , 10843 , 17039 , 21686 , 34078 , 82097 , 119273 , 164194 , 238546 , 574679 , 903067 , 1149358 , 1806134 , 6321469 , 12642938
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
-12642937
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 12642938 can be divided by 32 positive divisors.
The sum of these divisors (counting 12642938) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110000001110101001111010
3
Ternary
212210022211222
4
Quaternary
300032221322
5
Quinary
11214033223
6
Senary
1130552042
8
Octal
60165172
10
Decimal
12642938
12
Duodecimal
4298622
16
Hexadecimal
c0ea7a
20
Vigesimal
3j076i
36
Base36
7izcq
md5
257f4409d915c0e9b7831d8f54481e17
sha1
5a539538eb416f850430e90388edba089e1574eb
sha256
6a4aa6463882a7a277fa371a1ab3003addb350437c42b3fe04975036b8e31241
sha512
a7daf48de4ae81c0e4e53eb50ed905846a14909bd880b9c988fcb9f30cf9312011529d3b5bb4172de157054066eae40358da7bc98b44700ca002fe012d30227e
ripemd-160
35e1c0ecced876dcb0cdbaf829df8c599a65bef8
Diameter
25285876
Circumference
79437922.281182
Area
5.021643631249E+14
Volume
8.4651105450635E+21
Surface area
2.0086574524996E+15
Circumference
79437922.281182
Perimeter
50571752
Area
159843881271844
Diagonal
17879814.387842
Surface area
959063287631064
Volume
2.0208962805993E+21
Space diagonal
21898210.972943
Perimeter
37928814
Area
69214430910460
Altitude
10949105.486472
Surface area
69214430910460
Volume
2.3816491068107E+20
Height
5959938.1292807