12890790 is an even 8-digits composite number following 12890789
and preceding 12890791 . In scientific notation, it is written as 1.2890790 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 3010560 positive integers (up to 12890790) that are relatively prime to 12890790.
12890790 has 32 divisors, whose sum is 23652000
The reverse of 12890790 is 09709821
Previous prime number is 145
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million eight hundred ninety thousand seven hundred ninety
Scientific notation
1.2890790 × 10^7
Engineering notation
1.2890790 × 10^6
Prime Factorization
2 × 9 × 11 × 145 × 449
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12890790
Product of the distinct prime numbers
The prime factorization of 12890790 is 2 × 9 × 11 × 145 × 449.
Since it has a total of 5 prime factors.
4 , 4 , 21 , 80 , 914 , 435 , 6584 , 2802 , 98470 , 86331 , 706439 , 900183 , 6761311 , 6682102 , 38938367 , 78056873 , 856879755 , 39269442 , 3815238052 , 1529032283
n×2
25781580
n×3
38672370
n×4
51563160
n×5
64453950
n÷2
6445395
n÷3
4296930
n÷3
3222697.5
n÷5
2578158
n2
166172466824100
n3
2.1420943736114E+21
n4
2.7613288730407E+28
n5
3.5595710623304E+35
2 √n
3590.3746322633
3 √n
234.47318233124
4 √n
59.919734914829
5 √n
26.427489363219
1 , 2 , 9 , 11 , 18 , 22 , 99 , 145 , 198 , 290 , 449 , 898 , 1305 , 1595 , 2610 , 3190 , 4041 , 4939 , 8082 , 9878 , 14355 , 28710 , 44451 , 65105 , 88902 , 130210 , 585945 , 716155 , 1171890 , 1432310 , 6445395 , 12890790
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
-12890789
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 12890790 can be divided by 32 positive divisors.
The sum of these divisors (counting 12890790) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110001001011001010100110
3
Ternary
220020220211200
4
Quaternary
301023022212
5
Quinary
11300001130
6
Senary
1140143330
8
Octal
61131246
10
Decimal
12890790
12
Duodecimal
4397b46
16
Hexadecimal
c4b2a6
20
Vigesimal
40b6ja
36
Base36
7oali
md5
d20743983dfa616dab54891fa2d7c093
sha1
250205f83c01f3de1eedb6f878f948b19756d10d
sha256
0e20870cc1d2b09975390287b0d3a20045086489e560d7c6a78ed3a6863dcf96
sha512
0788383f4c368da5a2c4ee8d20fc8d2c3d396e8e086209f9fde3affba1f9d198f2833f091934d7971126150db589d7470893e0f1cf03a898b5357a1530c76ce5
ripemd-160
30d08b678dea1c368717d793c135935b8d068e58
Diameter
25781580
Circumference
80995222.325938
Area
5.2204620100349E+14
Volume
8.9727839299116E+21
Surface area
2.0881848040139E+15
Circumference
80995222.325938
Perimeter
51563160
Area
166172466824100
Diagonal
18230330.047703
Surface area
997034800944600
Volume
2.1420943736114E+21
Space diagonal
22327503.229701
Perimeter
38672370
Area
71954788839599
Altitude
11163751.61485
Surface area
71954788839599
Volume
2.5244824292037E+20
Height
6076776.6825678