12757981 is an odd 8-digits prime number following 12757980
and preceding 12757982 . In scientific notation, it is written as 1.2757981 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 12757980 positive integers (up to 12757981) that are relatively prime to 12757981.
12757981 has 2 divisors, whose sum is 12757982
The reverse of 12757981 is 18975721
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million seven hundred fifty-seven thousand nine hundred eighty-one
Scientific notation
1.2757981 × 10^7
Engineering notation
1.2757981 × 10^6
Prime Factorization
12757981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
12757981
Product of the distinct prime numbers
The prime factorization of 12757981 is 12757981.
Since it has a total of 1 prime factors.
6 , 1 , 82 , 88 , 823 , 983 , 4400 , 3143 , 23881 , 33107 , 54487 , 804217 , 4938268 , 1639737 , 27228092 , 64585500 , 1721235 , 875236301 , 685638706 , 4701952845
n×2
25515962
n×3
38273943
n×4
51031924
n×5
63789905
n÷2
6378990.5
n÷3
4252660.3333333
n÷3
3189495.25
n÷5
2551596.2
n2
162766079196361
n3
2.0765665458317E+21
n4
2.6492796536956E+28
n5
3.3799459485535E+35
2 √n
3571.8316029735
3 √n
233.66517115975
4 √n
59.764802375424
5 √n
26.37280904348
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
12757982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6378991
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3571.8317429577
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998432354
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12757981 can be divided by 2 positive divisors.
The sum of these divisors (counting 12757981) is 12757982, the average is 6378991.
Base
System
Value
2
Binary
110000101010101111011101
3
Ternary
220000011122211
4
Quaternary
300222233131
5
Quinary
11231223411
6
Senary
1133240421
8
Octal
60525735
10
Decimal
12757981
12
Duodecimal
4333111
16
Hexadecimal
c2abdd
20
Vigesimal
3jeej1
36
Base36
7lg4d
md5
c28414f8829772afa5b2ba1943bc9556
sha1
6530d716c1dd8dcb5a27241b4e12d42be6f750c5
sha256
d4f5df1474249a1398e79c80b9d0ae3108450049c69bee0c5738e82b86f9d6f0
sha512
854be03f506b3936cd81690a89cd95ec408542946231a47d182fe3aa6f6cba1a82f665f8b144921fef9d7008749debb16fa398fccbdbba356e349020bfb48bf7
ripemd-160
a76bf956712ea9341118f140b731aab1a31cfbfd
Diameter
25515962
Circumference
80160758.768476
Area
5.113447186569E+14
Volume
8.6983016067668E+21
Surface area
2.0453788746276E+15
Circumference
80160758.768476
Perimeter
51031924
Area
162766079196361
Diagonal
18042509.758698
Surface area
976596475178166
Volume
2.0765665458317E+21
Space diagonal
22097471.293998
Perimeter
38273943
Area
70479779729219
Altitude
11048735.646999
Surface area
70479779729219
Volume
2.4472571435712E+20
Height
6014169.9195661