12977981 is an odd 8-digits composite number following 12977980
and preceding 12977982 . In scientific notation, it is written as 1.2977981 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 12959772 positive integers (up to 12977981) that are relatively prime to 12977981.
12977981 has 4 divisors, whose sum is 12996192
The reverse of 12977981 is 18977921
Previous prime number is 743
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twelve million nine hundred seventy-seven thousand nine hundred eighty-one
Scientific notation
1.2977981 × 10^7
Engineering notation
1.2977981 × 10^6
Prime Factorization
743 × 17467
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12977981
Product of the distinct prime numbers
The prime factorization of 12977981 is 743 × 17467.
Since it has a total of 2 prime factors.
3 , 5 , 16 , 18 , 339 , 464 , 4768 , 6259 , 5639 , 17141 , 587796 , 962057 , 7082998 , 1276083 , 4027245 , 30569770 , 936878437 , 983649262 , 1558408707 , 1169423240
n×2
25955962
n×3
38933943
n×4
51911924
n×5
64889905
n÷2
6488990.5
n÷3
4325993.6666667
n÷3
3244495.25
n÷5
2595596.2
n2
168427990836361
n3
2.1858552649425E+21
n4
2.8367988097173E+28
n5
3.6815921053334E+35
2 √n
3602.4964954875
3 √n
235.00063980511
4 √n
60.020800523548
5 √n
26.463143193916
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12977980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12977981 can be divided by 4 positive divisors.
The sum of these divisors (counting 12977981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100000011100111101
3
Ternary
220102100102222
4
Quaternary
301200130331
5
Quinary
11310243411
6
Senary
1142055125
8
Octal
61403475
10
Decimal
12977981
12
Duodecimal
441a4a5
16
Hexadecimal
c6073d
20
Vigesimal
4124j1
36
Base36
7q5vh
md5
7c707dfd30449a9e38cbf86eeef4137c
sha1
129b16a46b4ad464caffaeb2d73c4e24b1279982
sha256
649e3ce7fe89ef254b57b31d2ea44b27bd5f7f21bb5c9556ccd068903c09677d
sha512
d81b78bd98864dbb35c1a18f1987105509be8d9fb967d48fdbae9a6e4cf5828f6712481ef34ac1662a1ef49c14d16af599c2a0291fe5147875076511c8a42eb7
ripemd-160
717b279b5d609de87efa8b84bf01bf6d72c47162
Diameter
25955962
Circumference
81543059.536056
Area
5.291321386704E+14
Volume
9.1560891228718E+21
Surface area
2.1165285546816E+15
Circumference
81543059.536056
Perimeter
51911924
Area
168427990836361
Diagonal
18353636.74242
Surface area
1010567945018166
Volume
2.1858552649425E+21
Space diagonal
22478522.471664
Perimeter
38933943
Area
72931459386331
Altitude
11239261.235832
Surface area
72931459386331
Volume
2.5760551342219E+20
Height
6117878.9141401