12909487 is an odd 8-digits composite number following 12909486
and preceding 12909488 . In scientific notation, it is written as 1.2909487 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 12901680 positive integers (up to 12909487) that are relatively prime to 12909487.
12909487 has 4 divisors, whose sum is 12917296
The reverse of 12909487 is 78490921
Previous prime number is 5431
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million nine hundred nine thousand four hundred eighty-seven
Scientific notation
1.2909487 × 10^7
Engineering notation
1.2909487 × 10^6
Prime Factorization
5431 × 2377
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12909487
Product of the distinct prime numbers
The prime factorization of 12909487 is 5431 × 2377.
Since it has a total of 2 prime factors.
7 , 6 , 8 , 54 , 749 , 965 , 8093 , 7263 , 49873 , 69758 , 693855 , 971126 , 6896598 , 8331564 , 65495944 , 48836649 , 450411480 , 319908649 , 4593399053 , 4870134104
n×2
25818974
n×3
38728461
n×4
51637948
n×5
64547435
n÷2
6454743.5
n÷3
4303162.3333333
n÷3
3227371.75
n÷5
2581897.4
n2
166654854603169
n3
2.1514286789865E+21
n4
2.7773840562803E+28
n5
3.5854603368558E+35
2 √n
3592.977456094
3 √n
234.58648873792
4 √n
59.941450233491
5 √n
26.435151086809
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12909486
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12909487 can be divided by 4 positive divisors.
The sum of these divisors (counting 12909487) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001111101110101111
3
Ternary
220021212111011
4
Quaternary
301033232233
5
Quinary
11301100422
6
Senary
1140410051
8
Octal
61175657
10
Decimal
12909487
12
Duodecimal
43a6927
16
Hexadecimal
c4fbaf
20
Vigesimal
40dde7
36
Base36
7op0v
md5
e1494c8928a268b597d12e5466ed02da
sha1
f38b853d6119eb6361a69b41973d2f166fc4054d
sha256
1d0431a05b0290c2dfb2115182b92f2f7a511f11c0126b8e2add89ca352cc666
sha512
d2cc473b2e3f4755e04fd670937b98d2885e33dec87e8d79365abef27bd9ddc5e44b3d73375d598305668905ad45300b4996429b868492e212eb3d1687ce5bc1
ripemd-160
20017a427147f927545a712e57dae45bd5563f9e
Diameter
25818974
Circumference
81112699.041626
Area
5.2356166690639E+14
Volume
9.0118833768352E+21
Surface area
2.0942466676256E+15
Circumference
81112699.041626
Perimeter
51637948
Area
166654854603169
Diagonal
18256771.598679
Surface area
999929127619014
Volume
2.1514286789865E+21
Space diagonal
22359887.38365
Perimeter
38728461
Area
72163668875173
Altitude
11179943.691825
Surface area
72163668875173
Volume
2.5354830135843E+20
Height
6085590.5328931