1385220981 is an odd 10-digits composite number following 1385220980
and preceding 1385220982 . In scientific notation, it is written as 1.385220981 × 10^9.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 923226192 positive integers (up to 1385220981) that are relatively prime to 1385220981.
1385220981 has 8 divisors, whose sum is 1847470240
The reverse of 1385220981 is 1890225831
Previous prime number is 3739
Is Prime? no Number parity odd Number length 10 Sum of Digits 39 Digital Root 3
Name
one billion three hundred eighty-five million two hundred twenty thousand nine hundred eighty-one
Scientific notation
1.385220981 × 10^9
Engineering notation
1.385220981 × 10^9
Prime Factorization
3 × 3739 × 123493
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1385220981 Product of the distinct prime numbers
The prime factorization of 1385220981 is 3 × 3739 × 123493.
Since it has a total of 3 prime factors.
7 , 2 , 86 , 78 , 924 , 4 , 9688 , 424 , 97012 , 63180 , 347736 , 914229 , 8226328 , 7363652 , 76683336 , 4776691 , 762290284 , 992147261 , 9455515778 , 47361576
n×2
2770441962
n×3
4155662943
n×4
5540883924
n×5
6926104905
n÷2
692610490.5
n÷3
461740327
n÷3
346305245.25
n÷5
277044196.2
n2
1918837166202602361
n3
2.6580135017464E+27
n4
3.6819360704004E+36
n5
5.1002950954194E+45
2 √n37218.556944084
3 √n1114.7385502402
4 √n192.92111585849
5 √n67.344760409452
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
-1385220980 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 1385220981 can be divided by 8 positive divisors.
The sum of these divisors (counting 1385220981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010100100001100101101110101
3
Ternary
10120112112111221210
4
Quaternary
1102210030231311
5
Quinary
10314104032411
6
Senary
345242032033
8
Octal
12244145565
10
Decimal
1385220981
12
Duodecimal
327aa8619
16
Hexadecimal
5290cb75
20
Vigesimal
11chcc91
36
Base36
mwq3cl
md5
e65629ad592833a7ff875be1e7db0319
sha1
136289a24c9fd8f349924a5ed23a260e516aadb3
sha256
99200bbf6cf0bdea6c02ee579215be1a209e478b6c1a8b7b8dd404570400eb9f
sha512
1ea421a39af863d054395f933179199db2dded01e5d461e7683158de5c40a28832571374708fa46a81f9a27c4cf0dcf78a65d314df1af787c0017f1fa66395e2
ripemd-160
12d8ca4ebf0167cb85c52ca76ff4cf3e8cdbab8f
Diameter
2770441962
Circumference
8703600115.0161
Area
6.0282047447772E+18
Volume
1.1133860920305E+28
Surface area
2.4112818979109E+19
Circumference
8703600115.0161
Perimeter
5540883924
Area
1918837166202602361
Diagonal
1958998298.214
Surface area
1.1513022997216E+19
Volume
2.6580135017464E+27
Space diagonal
2399273118.8024
Perimeter
4155662943
Area
8.308808658286E+17
Altitude
1199636559.4012
Surface area
8.308808658286E+17
Volume
3.1324989526172E+26
Height
652999432.73799