12978091 is an odd 8-digits composite number following 12978090
and preceding 12978092 . In scientific notation, it is written as 1.2978091 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 11007360 positive integers (up to 12978091) that are relatively prime to 12978091.
12978091 has 16 divisors, whose sum is 15294400
The reverse of 12978091 is 19087921
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twelve million nine hundred seventy-eight thousand ninety-one
Scientific notation
1.2978091 × 10^7
Engineering notation
1.2978091 × 10^6
Prime Factorization
49 × 7 × 157 × 241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12978091
Product of the distinct prime numbers
The prime factorization of 12978091 is 49 × 7 × 157 × 241.
Since it has a total of 4 prime factors.
8 , 7 , 5 , 72 , 65 , 355 , 4588 , 1106 , 69756 , 96046 , 793449 , 659306 , 4244752 , 7149614 , 26848354 , 89505176 , 44932292 , 508224616 , 7330355545 , 4676313570
n×2
25956182
n×3
38934273
n×4
51912364
n×5
64890455
n÷2
6489045.5
n÷3
4326030.3333333
n÷3
3244522.75
n÷5
2595618.2
n2
168430846004281
n3
2.1859108466505E+21
n4
2.8368949885718E+28
n5
3.6817481319129E+35
2 √n
3602.5117626456
3 √n
235.00130375012
4 √n
60.02092770564
5 √n
26.463188053527
1 , 7 , 49 , 157 , 241 , 343 , 1099 , 1687 , 7693 , 11809 , 37837 , 53851 , 82663 , 264859 , 1854013 , 12978091
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
-12978090
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 12978091 can be divided by 16 positive divisors.
The sum of these divisors (counting 12978091) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001100000011110101011
3
Ternary
220102100121001
4
Quaternary
301200132223
5
Quinary
11310244331
6
Senary
1142055431
8
Octal
61403653
10
Decimal
12978091
12
Duodecimal
441a577
16
Hexadecimal
c607ab
20
Vigesimal
41254b
36
Base36
7q5yj
md5
5855a8b40af9ffb21b03097668bd09d2
sha1
6b5344ccf2bac330f497088bbdd4438dc6e7a7c4
sha256
76ae5d7a8a343b4695091184acbfa59337f48235737d4587e854954e9d4ed082
sha512
dc5a1795d985585d2e841aea33faa1245e93b37bfce96764c77fedf6a4059a9efa6e7b87917b661b01ae603356b7963a37410842a82e6488329f4c23ee624418
ripemd-160
052e0f0cb23d0f6afad8b3fb75dff928f91a9a0f
Diameter
25956182
Circumference
81543750.68644
Area
5.2914110844496E+14
Volume
9.1563219429861E+21
Surface area
2.1165644337799E+15
Circumference
81543750.68644
Perimeter
51912364
Area
168430846004281
Diagonal
18353792.305912
Surface area
1010585076025686
Volume
2.1859108466505E+21
Space diagonal
22478712.997252
Perimeter
38934273
Area
72932695710306
Altitude
11239356.498626
Surface area
72932695710306
Volume
2.576120637893E+20
Height
6117930.7686374