12697981 is an odd 8-digits prime number following 12697980
and preceding 12697982 . In scientific notation, it is written as 1.2697981 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 12697980 positive integers (up to 12697981) that are relatively prime to 12697981.
12697981 has 2 divisors, whose sum is 12697982
The reverse of 12697981 is 18979621
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twelve million six hundred ninety-seven thousand nine hundred eighty-one
Scientific notation
1.2697981 × 10^7
Engineering notation
1.2697981 × 10^6
Prime Factorization
12697981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
12697981
Product of the distinct prime numbers
The prime factorization of 12697981 is 12697981.
Since it has a total of 1 prime factors.
4 , 6 , 54 , 83 , 545 , 681 , 7713 , 8217 , 56195 , 10815 , 86836 , 814128 , 8052920 , 2069390 , 22385168 , 68436689 , 113421985 , 981673378 , 5454419386 , 2216061974
n×2
25395962
n×3
38093943
n×4
50791924
n×5
63489905
n÷2
6348990.5
n÷3
4232660.3333333
n÷3
3174495.25
n÷5
2539596.2
n2
161238721476361
n3
2.0474062217711E+21
n4
2.5997925303332E+28
n5
3.3012116154112E+35
2 √n
3563.4226524509
3 √n
233.29829110947
4 √n
59.69441056289
5 √n
26.347956307256
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
12697982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6348991
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3563.4227927654
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998424947
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12697981 can be divided by 2 positive divisors.
The sum of these divisors (counting 12697981) is 12697982, the average is 6348991.
Base
System
Value
2
Binary
110000011100000101111101
3
Ternary
212220010100121
4
Quaternary
300130011331
5
Quinary
11222313411
6
Senary
1132054541
8
Octal
60340575
10
Decimal
12697981
12
Duodecimal
4304451
16
Hexadecimal
c1c17d
20
Vigesimal
3j74j1
36
Base36
7k5tp
md5
119a2b68affd18905185bb33bc5c63b8
sha1
70c656e67faed52e78ecba2b6039179c2ae75675
sha256
7d03205e62a55a70b04f3dec126851b25ed23cd29bfe0b86a2cdcc57d14071bb
sha512
c795d8ef80a6a86f338f767f101b21b19ed36146d7894af18ab44f73d1522a03f31de48c0962b16eb67f92bc4cf2cc15625e09255d521f21233e173737771107
ripemd-160
0df944beaa1403e0e042f89665902bc9ac67f775
Diameter
25395962
Circumference
79783767.650046
Area
5.0654638286435E+14
Volume
8.5761551269736E+21
Surface area
2.0261855314574E+15
Circumference
79783767.650046
Perimeter
50791924
Area
161238721476361
Diagonal
17957656.944956
Surface area
967432328858166
Volume
2.0474062217711E+21
Space diagonal
21993548.245544
Perimeter
38093943
Area
69818414436126
Altitude
10996774.122772
Surface area
69818414436126
Volume
2.4128913720965E+20
Height
5985885.6483186