12960981 is an odd 8-digits composite number following 12960980
and preceding 12960982 . In scientific notation, it is written as 1.2960981 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 7761600 positive integers (up to 12960981) that are relatively prime to 12960981.
12960981 has 16 divisors, whose sum is 15897600
The reverse of 12960981 is 18906921
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million nine hundred sixty thousand nine hundred eighty-one
Scientific notation
1.2960981 × 10^7
Engineering notation
1.2960981 × 10^6
Prime Factorization
9 × 11 × 89 × 1471
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12960981
Product of the distinct prime numbers
The prime factorization of 12960981 is 9 × 11 × 89 × 1471.
Since it has a total of 4 prime factors.
4 , 4 , 63 , 58 , 871 , 186 , 8828 , 546 , 34459 , 2104 , 904835 , 563687 , 4267588 , 3991416 , 1735089 , 73597224 , 803442567 , 113245530 , 4614995503 , 1251180587
n×2
25921962
n×3
38882943
n×4
51843924
n×5
64804905
n÷2
6480490.5
n÷3
4320327
n÷3
3240245.25
n÷5
2592196.2
n2
167987028482361
n3
2.1772766844063E+21
n4
2.8219641738334E+28
n5
3.6575424039735E+35
2 √n
3600.1362474218
3 √n
234.89798499522
4 √n
60.001135384439
5 √n
26.456206686036
1 , 9 , 11 , 89 , 99 , 801 , 979 , 1471 , 8811 , 13239 , 16181 , 130919 , 145629 , 1178271 , 1440109 , 12960981
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12960980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12960981 can be divided by 16 positive divisors.
The sum of these divisors (counting 12960981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001011100010011010101
3
Ternary
220101111010100
4
Quaternary
301130103111
5
Quinary
11304222411
6
Senary
1141444313
8
Octal
61342325
10
Decimal
12960981
12
Duodecimal
4410699
16
Hexadecimal
c5c4d5
20
Vigesimal
410291
36
Base36
7psr9
md5
9a5e6125081bf188a41feb6e3aa82cfd
sha1
aeaf16296cb30bf8fcab96e2332857d91c4d831d
sha256
849c33d452bb7727c2d8b0b8be26a7a0eef9d96f8131033f483aea5ec469aa54
sha512
6d74cb8dc2173404ea1d9bb3f06e455cfc11e83997437867c1a2de29a2b4acf8609e28639a81e08a59dc0d935e565411cb38a67a1d9b22ba9d5414ae21c8f7d2
ripemd-160
2ea0b616844390254b658629d37b0bee70dcd848
Diameter
25921962
Circumference
81436245.385834
Area
5.2774681457856E+14
Volume
9.1201552487511E+21
Surface area
2.1109872583143E+15
Circumference
81436245.385834
Perimeter
51843924
Area
167987028482361
Diagonal
18329595.11186
Surface area
1007922170894166
Volume
2.1772766844063E+21
Space diagonal
22449077.607935
Perimeter
38882943
Area
72740517085992
Altitude
11224538.803967
Surface area
72740517085992
Volume
2.5659451801051E+20
Height
6109865.0372867