1320231981 is an odd 10-digits composite number following 1320231980
and preceding 1320231982 . In scientific notation, it is written as 1.320231981 × 10^9.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 876502080 positive integers (up to 1320231981) that are relatively prime to 1320231981.
1320231981 has 8 divisors, whose sum is 1767614464
The reverse of 1320231981 is 1891320231
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 30
Digital Root 3
Name
one billion three hundred twenty million two hundred thirty-one thousand nine hundred eighty-one
Scientific notation
1.320231981 × 10^9
Engineering notation
1.320231981 × 10^9
Prime Factorization
3 × 241 × 1826047
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1320231981
Product of the distinct prime numbers
The prime factorization of 1320231981 is 3 × 241 × 1826047.
Since it has a total of 3 prime factors.
2 , 7 , 30 , 42 , 792 , 940 , 9839 , 7325 , 85100 , 44220 , 890729 , 463333 , 4165160 , 9743422 , 3426096 , 40930398 , 711247951 , 554630208 , 8559766525 , 8264558099
n×2
2640463962
n×3
3960695943
n×4
5280927924
n×5
6601159905
n÷2
660115990.5
n÷3
440077327
n÷3
330057995.25
n÷5
264046396.2
n2
1743012483655184361
n3
2.3011808242038E+27
n4
3.0380925181778E+36
n5
4.0109869037352E+45
2 √n
36334.996642356
3 √n
1097.0255678794
4 √n
190.61740907471
5 √n
66.700647482422
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1320231980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1320231981 can be divided by 8 positive divisors.
The sum of these divisors (counting 1320231981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110101100010010010000101101
3
Ternary
10102000020201210210
4
Quaternary
1032230102100231
5
Quinary
10200434410411
6
Senary
335001053033
8
Octal
11654222055
10
Decimal
1320231981
12
Duodecimal
30a187179
16
Hexadecimal
4eb1242d
20
Vigesimal
10cb8jj1
36
Base36
lu15il
md5
59b6b35f0650f75a18c84fee25b1f405
sha1
b018470188c727a5698b6955e1632a20f48f7543
sha256
77dfe453800c03d82153593869612f5512af1aaf318d3d66b1bd12f38cf6e4fb
sha512
bb78938baf8e331b364e942af8ae37a2c2123da23947d7791f7bb1c995d413c0e4e5c84a34b66fd6a3493588e55d26a5dbf43d93cdfd343c8ee1dcd0565f8563
ripemd-160
fd73416b3b289bfeea132ae65756e408bde562d1
Diameter
2640463962
Circumference
8295262185.0878
Area
5.4758352137664E+18
Volume
9.6391636958672E+27
Surface area
2.1903340855066E+19
Circumference
8295262185.0878
Perimeter
5280927924
Area
1743012483655184361
Diagonal
1867089973.0089
Surface area
1.0458074901931E+19
Volume
2.3011808242038E+27
Space diagonal
2286708868.8693
Perimeter
3960695943
Area
7.547465449794E+17
Altitude
1143354434.4347
Surface area
7.547465449794E+17
Volume
2.7119676092183E+26
Height
622363324.3363