12909420 is an even 8-digits composite number following 12909419
and preceding 12909421 . In scientific notation, it is written as 1.2909420 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 3442464 positive integers (up to 12909420) that are relatively prime to 12909420.
12909420 has 24 divisors, whose sum is 30122400
The reverse of 12909420 is 02490921
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million nine hundred nine thousand four hundred twenty
Scientific notation
1.2909420 × 10^7
Engineering notation
1.2909420 × 10^6
Prime Factorization
2 × 2 × 5 × 9 × 71719
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6454710
Product of the distinct prime numbers
The prime factorization of 12909420 is 2 × 2 × 5 × 9 × 71719.
Since it has a total of 5 prime factors.
1 , 10 , 71 , 30 , 858 , 198 , 7242 , 7762 , 93287 , 90370 , 654782 , 705646 , 7532862 , 5845904 , 48177769 , 35943928 , 248589011 , 876472366 , 1402475237 , 3025361144
n×2
25818840
n×3
38728260
n×4
51637680
n×5
64547100
n÷2
6454710
n÷3
4303140
n÷3
3227355
n÷5
2581884
n2
166653124736400
n3
2.1513951815346E+21
n4
2.7773263984406E+28
n5
3.5853672954557E+35
2 √n
3592.9681323385
3 √n
234.58608290403
4 √n
59.941372459583
5 √n
26.435123647162
1 , 2 , 4 , 5 , 9 , 10 , 18 , 20 , 36 , 45 , 90 , 180 , 71719 , 143438 , 286876 , 358595 , 645471 , 717190 , 1290942 , 1434380 , 2581884 , 3227355 , 6454710 , 12909420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12909419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12909420 can be divided by 24 positive divisors.
The sum of these divisors (counting 12909420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110001001111101101101100
3
Ternary
220021212101200
4
Quaternary
301033231230
5
Quinary
11301100140
6
Senary
1140405500
8
Octal
61175554
10
Decimal
12909420
12
Duodecimal
43a6890
16
Hexadecimal
c4fb6c
20
Vigesimal
40ddb0
36
Base36
7ooz0
md5
a43ebca1956bfaddfca55b446dd88580
sha1
81ccbafbe933e6bf2a09b5e6fc1fe1e9fe32da10
sha256
b41509c33ddb466e62e28fbb70799945418445ba36c9e1fff011734ab3c01372
sha512
978aa8b35e01a17da53a21c09099a7ec448373ef71b661789fed7d62914843f3c0b8b4d84a6dd93f4831a4a06096deafdc69ceb38db522273fbf3dba515f3678
ripemd-160
342e9dfd087bffa13db8c3806be0e897b283cb8b
Diameter
25818840
Circumference
81112278.06821
Area
5.2355623236966E+14
Volume
9.0117430630367E+21
Surface area
2.0942249294786E+15
Circumference
81112278.06821
Perimeter
51637680
Area
166653124736400
Diagonal
18256676.84637
Surface area
999918748418400
Volume
2.1513951815346E+21
Space diagonal
22359771.336246
Perimeter
38728260
Area
72162919820890
Altitude
11179885.668123
Surface area
72162919820890
Volume
2.5354435364586E+20
Height
6085558.9487902