206455890 is an even 9-digits composite number following 206455889
and preceding 206455891 . In scientific notation, it is written as 2.06455890 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 54684224 positive integers (up to 206455890) that are relatively prime to 206455890.
206455890 has 16 divisors, whose sum is 332553600
The reverse of 206455890 is 098554602
Previous prime number is 149
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred six million four hundred fifty-five thousand eight hundred ninety
Scientific notation
2.06455890 × 10^8
Engineering notation
2.06455890 × 10^6
Prime Factorization
2 × 15 × 149 × 46187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
206455890
Product of the distinct prime numbers
The prime factorization of 206455890 is 2 × 15 × 149 × 46187.
Since it has a total of 4 prime factors.
3 , 3 , 68 , 10 , 801 , 903 , 4360 , 2865 , 38468 , 51092 , 298359 , 82021 , 6431376 , 1705056 , 37388941 , 88284399 , 426205685 , 566217369 , 9041712813 , 9975997609
n×2
412911780
n×3
619367670
n×4
825823560
n×5
1032279450
n÷2
103227945
n÷3
68818630
n÷3
51613972.5
n÷5
41291178
n2
42624034515692100
n3
8.7999829813279E+24
n4
1.8168083183949E+33
n5
3.7509077833362E+41
2 √n
14368.57299804
3 √n
591.02941038532
4 √n
119.86898263538
5 √n
46.021996545201
1 , 2 , 15 , 30 , 149 , 298 , 2235 , 4470 , 46187 , 92374 , 692805 , 1385610 , 6881863 , 13763726 , 103227945 , 206455890
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
-206455889
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 206455890 can be divided by 16 positive divisors.
The sum of these divisors (counting 206455890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100010011100100010001010010
3
Ternary
112101111001020110
4
Quaternary
30103210101102
5
Quinary
410323042030
6
Senary
32253022150
8
Octal
1423442122
10
Decimal
206455890
12
Duodecimal
59184956
16
Hexadecimal
c4e4452
20
Vigesimal
34a6jea
36
Base36
3ex2du
md5
7fe810c084b2db7a811ae80582d6dad0
sha1
d387bfed91a2ac28e624bc63340425d6c92de88e
sha256
9807730ebf8bc22159f1f1d4974777a04ee83157d46d5e9e36180c8ab36eae84
sha512
c552131b482de2d5749596807a1b2b7f4842a39afe81b5237205d1ea2162b0afbdd5561b82bea56f08d30b46a4b5483153692c6e233e180eb8e6d8f5a83a869f
ripemd-160
55ee23bfc27f34e2f82c28eb5abc9fd8d756cf3c
Diameter
412911780
Circumference
1297200614.6287
Area
1.3390735370086E+17
Volume
3.6861282514473E+25
Surface area
5.3562941480342E+17
Circumference
1297200614.6287
Perimeter
825823560
Area
42624034515692100
Diagonal
291972719.66981
Surface area
255744207094152600
Volume
8.7999829813279E+24
Space diagonal
357592091.00185
Perimeter
619367670
Area
1.8456748351187E+16
Altitude
178796045.50093
Surface area
1.8456748351187E+16
Volume
1.0370879400705E+24
Height
97324239.889936