12921680 is an even 8-digits composite number following 12921679
and preceding 12921681 . In scientific notation, it is written as 1.2921680 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors.
There are 5168640 positive integers (up to 12921680) that are relatively prime to 12921680.
12921680 has 20 divisors, whose sum is 30043092
The reverse of 12921680 is 08612921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twelve million nine hundred twenty-one thousand six hundred eighty
Scientific notation
1.2921680 × 10^7
Engineering notation
1.2921680 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 161521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1615210
Product of the distinct prime numbers
The prime factorization of 12921680 is 2 × 2 × 2 × 2 × 5 × 161521.
Since it has a total of 6 prime factors.
9 , 3 , 39 , 68 , 247 , 106 , 3364 , 9449 , 37770 , 4117 , 941649 , 590407 , 5560179 , 2585491 , 96127561 , 12911420 , 155838138 , 458476034 , 2446110210 , 4321680665
n×2
25843360
n×3
38765040
n×4
51686720
n×5
64608400
n÷2
6460840
n÷3
4307226.6666667
n÷3
3230420
n÷5
2584336
n2
166969814022400
n3
2.157530506457E+21
n4
2.7878918794675E+28
n5
3.6024246741077E+35
2 √n
3594.6738377772
3 √n
234.66032108071
4 √n
59.955598885986
5 √n
26.44014279705
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 161521 , 323042 , 646084 , 807605 , 1292168 , 1615210 , 2584336 , 3230420 , 6460840 , 12921680
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
-12921679
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 12921680 can be divided by 20 positive divisors.
The sum of these divisors (counting 12921680) is 1, the average is 0.05.
Base
System
Value
2
Binary
110001010010101101010000
3
Ternary
220022111012202
4
Quaternary
301102231100
5
Quinary
11301443210
6
Senary
1140542332
8
Octal
61225520
10
Decimal
12921680
12
Duodecimal
43b19a8
16
Hexadecimal
c52b50
20
Vigesimal
40f440
36
Base36
7oyfk
md5
b724f6a66ae6b8b313a89cddfc927bf0
sha1
8e8b92d323704d6dc6881427ca3831315460054f
sha256
61cf7339d22c382e38bc6437ca0761dcb05d39fc293c1d67dae34bc4cf5a2c1d
sha512
3019bee56b0416ca758d2d3afd6e3e12daa623add1695463b843e0e066ec94cfb9fdfcf099064d329de8d4aebb6f8845f0be05c81edb41be530f5fac97bf8ba2
ripemd-160
e77b5d4453d7cef3c92cb98c0f107b866062dc90
Diameter
25843360
Circumference
81189309.920076
Area
5.2455114110403E+14
Volume
9.0374426519748E+21
Surface area
2.0982045644161E+15
Circumference
81189309.920076
Perimeter
51686720
Area
166969814022400
Diagonal
18274015.104645
Surface area
1001818884134400
Volume
2.157530506457E+21
Space diagonal
22381006.279147
Perimeter
38765040
Area
72300050304281
Altitude
11190503.139573
Surface area
72300050304281
Volume
2.5426740862209E+20
Height
6091338.3682151