12923981 is an odd 8-digits composite number following 12923980
and preceding 12923982 . In scientific notation, it is written as 1.2923981 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 11077692 positive integers (up to 12923981) that are relatively prime to 12923981.
12923981 has 4 divisors, whose sum is 14770272
The reverse of 12923981 is 18932921
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million nine hundred twenty-three thousand nine hundred eighty-one
Scientific notation
1.2923981 × 10^7
Engineering notation
1.2923981 × 10^6
Prime Factorization
7 × 1846283
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12923981
Product of the distinct prime numbers
The prime factorization of 12923981 is 7 × 1846283.
Since it has a total of 2 prime factors.
2 , 5 , 28 , 64 , 379 , 691 , 8766 , 5688 , 84627 , 73272 , 295004 , 378377 , 9175961 , 5164724 , 23876943 , 94164303 , 19015556 , 488013359 , 2159619114 , 8520708787
n×2
25847962
n×3
38771943
n×4
51695924
n×5
64619905
n÷2
6461990.5
n÷3
4307993.6666667
n÷3
3230995.25
n÷5
2584796.2
n2
167029284888361
n3
2.1586833043408E+21
n4
2.7898782010317E+28
n5
3.6056332862448E+35
2 √n
3594.9938803842
3 √n
234.67424912906
4 √n
59.958267823414
5 √n
26.441084384143
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
-12923980
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 12923981 can be divided by 4 positive divisors.
The sum of these divisors (counting 12923981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001010011010001001101
3
Ternary
220022121100222
4
Quaternary
301103101031
5
Quinary
11302031411
6
Senary
1141001125
8
Octal
61232115
10
Decimal
12923981
12
Duodecimal
43b31a5
16
Hexadecimal
c5344d
20
Vigesimal
40f9j1
36
Base36
7p07h
md5
1a7d82ae5edeb4069b25810ca8fa91db
sha1
385cde0a9ce3c257b7648a2b13ae31d067143278
sha256
cfd0796a10772b2badaf8024da941168d90d21a2c05dd7b64b80deaf641be15f
sha512
7786521484101d6262a128b779c8fefd32a5f260d066bc1457b931d063631683c4c7f0c0efd84318fa9bdb2bf2be91ed39c41b4b309256c2b5998605c585e533
ripemd-160
2e999e9ca6ff293ca55f8bfa0f199a0563b675a0
Diameter
25847962
Circumference
81203767.529468
Area
5.2473797433963E+14
Volume
9.0422714804585E+21
Surface area
2.0989518973585E+15
Circumference
81203767.529468
Perimeter
51695924
Area
167029284888361
Diagonal
18277269.210052
Surface area
1002175709330166
Volume
2.1586833043408E+21
Space diagonal
22384991.728055
Perimeter
38771943
Area
72325801944634
Altitude
11192495.864027
Surface area
72325801944634
Volume
2.5440326715559E+20
Height
6092423.0700174