12917991 is an odd 8-digits composite number following 12917990
and preceding 12917992 . In scientific notation, it is written as 1.2917991 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 8459184 positive integers (up to 12917991) that are relatively prime to 12917991.
12917991 has 12 divisors, whose sum is 17535032
The reverse of 12917991 is 19971921
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million nine hundred seventeen thousand nine hundred ninety-one
Scientific notation
1.2917991 × 10^7
Engineering notation
1.2917991 × 10^6
Prime Factorization
3 × 59 × 59 × 1237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
218949
Product of the distinct prime numbers
The prime factorization of 12917991 is 3 × 59 × 59 × 1237.
Since it has a total of 4 prime factors.
4 , 4 , 65 , 43 , 964 , 302 , 2444 , 3574 , 16242 , 17993 , 400220 , 802047 , 3520196 , 2009844 , 41102063 , 56918155 , 145842961 , 762939798 , 9248397316 , 9250949254
n×2
25835982
n×3
38753973
n×4
51671964
n×5
64589955
n÷2
6458995.5
n÷3
4305997
n÷3
3229497.75
n÷5
2583598.2
n2
166874491476081
n3
2.1556831790176E+21
n4
2.7847095905401E+28
n5
3.597285342821E+35
2 √n
3594.1606808823
3 √n
234.63798796002
4 √n
59.951319258898
5 √n
26.438632949614
1 , 3 , 59 , 177 , 1237 , 3481 , 3711 , 10443 , 72983 , 218949 , 4305997 , 12917991
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12917990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12917991 can be divided by 12 positive divisors.
The sum of these divisors (counting 12917991) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110001010001110011100111
3
Ternary
220022022011010
4
Quaternary
301101303213
5
Quinary
11301333431
6
Senary
1140513303
8
Octal
61216347
10
Decimal
12917991
12
Duodecimal
43ab833
16
Hexadecimal
c51ce7
20
Vigesimal
40eejb
36
Base36
7ovl3
md5
b2d07e915c5a44969396d6fcb00c781c
sha1
b190459e87020aff95aceeceb274c8d1e5e9e9cf
sha256
ea77fb7415f2c17856abc4d789f7a618b5b542e87aae858bc90567ecff739f06
sha512
2d78081f25845a94677e3f00fbee16373537fa5c0ca3de793e924b7c8a6a7356d6521593158598631db142b6fe9e7172e0ccb21d8f0833f4f40c6748912cef73
ripemd-160
49c3d9ff586af6f4600753097b0b740d59aea78b
Diameter
25835982
Circumference
81166131.249478
Area
5.2425167649279E+14
Volume
9.0297045848917E+21
Surface area
2.0970067059712E+15
Circumference
81166131.249478
Perimeter
51671964
Area
166874491476081
Diagonal
18268798.070814
Surface area
1001246948856486
Volume
2.1556831790176E+21
Space diagonal
22374616.743717
Perimeter
38753973
Area
72258774430948
Altitude
11187308.371859
Surface area
72258774430948
Volume
2.5404969899552E+20
Height
6089599.3569379