206850981 is an odd 9-digits composite number following 206850980
and preceding 206850982 . In scientific notation, it is written as 2.06850981 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 137900652 positive integers (up to 206850981) that are relatively prime to 206850981.
206850981 has 4 divisors, whose sum is 275801312
The reverse of 206850981 is 189058602
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred six million eight hundred fifty thousand nine hundred eighty-one
Scientific notation
2.06850981 × 10^8
Engineering notation
2.06850981 × 10^6
Prime Factorization
3 × 68950327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
206850981
Product of the distinct prime numbers
The prime factorization of 206850981 is 3 × 68950327.
Since it has a total of 2 prime factors.
5 , 10 , 77 , 75 , 143 , 35 , 123 , 5108 , 80303 , 14600 , 676353 , 996810 , 7590473 , 6191220 , 80870773 , 80677065 , 378877085 , 328424268 , 849474931 , 4556262739
n×2
413701962
n×3
620552943
n×4
827403924
n×5
1034254905
n÷2
103425490.5
n÷3
68950327
n÷3
51712745.25
n÷5
41370196.2
n2
42787328340662361
n3
8.8506008416351E+24
n4
1.8307554665316E+33
n5
3.7869356422318E+41
2 √n
14382.314869311
3 √n
591.40618433612
4 √n
119.92628931686
5 √n
46.039597374218
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
-206850980
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 206850981 can be divided by 4 positive divisors.
The sum of these divisors (counting 206850981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100010101000100101110100101
3
Ternary
112102020010012110
4
Quaternary
30111010232211
5
Quinary
410423212411
6
Senary
32305311233
8
Octal
1425045645
10
Decimal
206850981
12
Duodecimal
59335519
16
Hexadecimal
c544ba5
20
Vigesimal
34cg791
36
Base36
3f5j8l
md5
d2ac245722c6705db063c074bd010f71
sha1
faab9ee5cdd7eeb3d08922e05738ea7c6537e72c
sha256
311f8e6ab7afab198ee2869dcd2adf175c8cfb074e786f5497b89d303795308d
sha512
909ee4004f17f2b0623ac6c5eb307033267950d306f4c26317b2d1f34a0ad6608e4e39e745dd16b9c542f7c2ea4c427587da3d04525e9ddbef47611fb631d586
ripemd-160
9a678e427b2b00e5836d1b63e163837838b0e966
Diameter
413701962
Circumference
1299683044.5949
Area
1.3442035638176E+17
Volume
3.7073310111915E+25
Surface area
5.3768142552704E+17
Circumference
1299683044.5949
Perimeter
827403924
Area
42787328340662361
Diagonal
292531462.72038
Surface area
256723970043974166
Volume
8.8506008416351E+24
Space diagonal
358276408.68746
Perimeter
620552943
Area
1.852745665154E+16
Altitude
179138204.34373
Surface area
1.852745665154E+16
Volume
1.0430533121159E+24
Height
97510487.57346