12909778 is an even 8-digits composite number following 12909777
and preceding 12909779 . In scientific notation, it is written as 1.2909778 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 5241456 positive integers (up to 12909778) that are relatively prime to 12909778.
12909778 has 16 divisors, whose sum is 23296320
The reverse of 12909778 is 87790921
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twelve million nine hundred nine thousand seven hundred seventy-eight
Scientific notation
1.2909778 × 10^7
Engineering notation
1.2909778 × 10^6
Prime Factorization
2 × 7 × 19 × 48533
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12909778
Product of the distinct prime numbers
The prime factorization of 12909778 is 2 × 7 × 19 × 48533.
Since it has a total of 4 prime factors.
1 , 9 , 21 , 9 , 170 , 901 , 2781 , 129 , 35136 , 25752 , 513702 , 404164 , 9611919 , 543559 , 64571520 , 64664727 , 849705678 , 874086407 , 2696639695 , 1593373518
n×2
25819556
n×3
38729334
n×4
51639112
n×5
64548890
n÷2
6454889
n÷3
4303259.3333333
n÷3
3227444.5
n÷5
2581955.6
n2
166662368009284
n3
2.1515741719542E+21
n4
2.7776344910462E+28
n5
3.5858644644549E+35
2 √n
3593.0179515277
3 √n
234.58825137329
4 √n
59.941788024113
5 √n
26.435270263653
1 , 2 , 7 , 14 , 19 , 38 , 133 , 266 , 48533 , 97066 , 339731 , 679462 , 922127 , 1844254 , 6454889 , 12909778
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
-12909777
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 12909778 can be divided by 16 positive divisors.
The sum of these divisors (counting 12909778) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001001111110011010010
3
Ternary
220021212212221
4
Quaternary
301033303102
5
Quinary
11301103103
6
Senary
1140411254
8
Octal
61176322
10
Decimal
12909778
12
Duodecimal
43a6b2a
16
Hexadecimal
c4fcd2
20
Vigesimal
40de8i
36
Base36
7op8y
md5
70940c57597ba59cdf940e38f4201cec
sha1
0c080ce5026cacc1faa87d11b62fc335c1d3c07b
sha256
ab3d20fa72cc93beb690fc518dd9db7b220036d2bf105fb209f9c8a1ea2b7fe8
sha512
5c83d3bec002a9a4fbdf39a24cb98118b78ac7ed1e512d89952bb228b0c53cb2cf2bf4b4a06175f78f140fd53b006364e0b22077cc56b8cb245ebb54631cd13e
ripemd-160
91397aeee45adf26c11c5ea0a33253025f753b17
Diameter
25819556
Circumference
81114527.44855
Area
5.2358527096785E+14
Volume
9.012492816353E+21
Surface area
2.0943410838714E+15
Circumference
81114527.44855
Perimeter
51639112
Area
166662368009284
Diagonal
18257183.134826
Surface area
999974208055704
Volume
2.1515741719542E+21
Space diagonal
22360391.410435
Perimeter
38729334
Area
72166922275455
Altitude
11180195.705217
Surface area
72166922275455
Volume
2.535654478691E+20
Height
6085727.7116086