12877981 is an odd 8-digits prime number following 12877980
and preceding 12877982 . In scientific notation, it is written as 1.2877981 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 12877980 positive integers (up to 12877981) that are relatively prime to 12877981.
12877981 has 2 divisors, whose sum is 12877982
The reverse of 12877981 is 18977821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twelve million eight hundred seventy-seven thousand nine hundred eighty-one
Scientific notation
1.2877981 × 10^7
Engineering notation
1.2877981 × 10^6
Prime Factorization
12877981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
12877981
Product of the distinct prime numbers
The prime factorization of 12877981 is 12877981.
Since it has a total of 1 prime factors.
6 , 10 , 63 , 25 , 497 , 266 , 8255 , 237 , 7173 , 89625 , 418506 , 276726 , 2294681 , 3972921 , 82148235 , 93808733 , 936254760 , 104253303 , 1063143740 , 7735791618
n×2
25755962
n×3
38633943
n×4
51511924
n×5
64389905
n÷2
6438990.5
n÷3
4292660.3333333
n÷3
3219495.25
n÷5
2575596.2
n2
165842394636361
n3
2.1357152071216E+21
n4
2.7503699858722E+28
n5
3.5419212421033E+35
2 √n
3588.5903917834
3 √n
234.39549476483
4 √n
59.904844476748
5 √n
26.422235312283
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
12877982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6438991
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3588.5905311139
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998446962
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12877981 can be divided by 2 positive divisors.
The sum of these divisors (counting 12877981) is 12877982, the average is 6438991.
Base
System
Value
2
Binary
110001001000000010011101
3
Ternary
220020021021021
4
Quaternary
301020002131
5
Quinary
11244043411
6
Senary
1140004141
8
Octal
61100235
10
Decimal
12877981
12
Duodecimal
4390651
16
Hexadecimal
c4809d
20
Vigesimal
409ej1
36
Base36
7o0pp
md5
1879a6c539a2aef36e5cac8b666fa56b
sha1
7860045e99fbb9822a66dd7f76008e120756000f
sha256
91304ade8e9f8ab6f7e2ac91388e00ba9411cfefbce9324738677fd8deea82ba
sha512
b8fc91785e25a6d3f0ebffe3b952d1ca8a39ec74923454cb420d442e9045f6a1ae99b905c4564cb40e67d84506f6b3f274b7c900086c99ef3a5547d8f782ed68
ripemd-160
16164a2fe80cceaff0355280d124af5492671496
Diameter
25755962
Circumference
80914741.005338
Area
5.2100924864333E+14
Volume
8.9460629398041E+21
Surface area
2.0840369945733E+15
Circumference
80914741.005338
Perimeter
51511924
Area
165842394636361
Diagonal
18212215.386183
Surface area
995054367818166
Volume
2.1357152071216E+21
Space diagonal
22305317.390907
Perimeter
38633943
Area
71811863389766
Altitude
11152658.695453
Surface area
71811863389766
Volume
2.5169645093981E+20
Height
6070738.462061