12912688 is an even 8-digits composite number following 12912687
and preceding 12912689 . In scientific notation, it is written as 1.2912688 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors.
There are 6441920 positive integers (up to 12912688) that are relatively prime to 12912688.
12912688 has 20 divisors, whose sum is 25074288
The reverse of 12912688 is 88621921
Previous prime number is 983
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twelve million nine hundred twelve thousand six hundred eighty-eight
Scientific notation
1.2912688 × 10^7
Engineering notation
1.2912688 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 983 × 821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1614086
Product of the distinct prime numbers
The prime factorization of 12912688 is 2 × 2 × 2 × 2 × 983 × 821.
Since it has a total of 6 prime factors.
1 , 7 , 95 , 14 , 300 , 990 , 5064 , 850 , 6203 , 98285 , 564639 , 567878 , 9754605 , 7477092 , 82366854 , 82400275 , 256847871 , 161037349 , 5489721962 , 2372351932
n×2
25825376
n×3
38738064
n×4
51650752
n×5
64563440
n÷2
6456344
n÷3
4304229.3333333
n÷3
3228172
n÷5
2582537.6
n2
166737511385344
n3
2.1530294624154E+21
n4
2.7801397702978E+28
n5
3.5899077450247E+35
2 √n
3593.4228807642
3 √n
234.60587627037
4 √n
59.945165616288
5 √n
26.43646191391
1 , 2 , 4 , 8 , 16 , 821 , 983 , 1642 , 1966 , 3284 , 3932 , 6568 , 7864 , 13136 , 15728 , 807043 , 1614086 , 3228172 , 6456344 , 12912688
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12912687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12912688 can be divided by 20 positive divisors.
The sum of these divisors (counting 12912688) is 1, the average is 0.05.
Base
System
Value
2
Binary
110001010000100000110000
3
Ternary
220022000212201
4
Quaternary
301100200300
5
Quinary
11301201223
6
Senary
1140432544
8
Octal
61204060
10
Decimal
12912688
12
Duodecimal
43a8754
16
Hexadecimal
c50830
20
Vigesimal
40e1e8
36
Base36
7orhs
md5
e23698da1ab72252ef721a323bbfd642
sha1
800ca3c9b2252598c7f7ad445ae275a1ae75ac60
sha256
f93ccbe7ffcf48cad614d2eb265ddf9adb30ccb58a01c36d9b16254e3842d8d5
sha512
47e9921cd7819edc952d2de43397912ee9be78e93f27f8e1ef9adf84541e4af5181e049d162ba52bbf2d1798ae70282760d229b09d6b91ab2bacb0fff28f6cb8
ripemd-160
2c7496f715bf8c4ff6b9163f08f50307ce46e934
Diameter
25825376
Circumference
81132811.517794
Area
5.2382134084604E+14
Volume
9.0185887227821E+21
Surface area
2.0952853633842E+15
Circumference
81132811.517794
Perimeter
51650752
Area
166737511385344
Diagonal
18261298.496292
Surface area
1000425068312064
Volume
2.1530294624154E+21
Space diagonal
22365431.678285
Perimeter
38738064
Area
72199460311752
Altitude
11182715.839142
Surface area
72199460311752
Volume
2.5373695549473E+20
Height
6087099.4987641