205989427 is an odd 9-digits composite number following 205989426
and preceding 205989428 . In scientific notation, it is written as 2.05989427 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 176491392 positive integers (up to 205989427) that are relatively prime to 205989427.
205989427 has 8 divisors, whose sum is 235511136
The reverse of 205989427 is 724989502
Previous prime number is 8273
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
two hundred five million nine hundred eighty-nine thousand four hundred twenty-seven
Scientific notation
2.05989427 × 10^8
Engineering notation
2.05989427 × 10^6
Prime Factorization
7 × 8273 × 3557
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
205989427
Product of the distinct prime numbers
The prime factorization of 205989427 is 7 × 8273 × 3557.
Since it has a total of 3 prime factors.
2 , 6 , 91 , 17 , 536 , 602 , 661 , 1548 , 41672 , 11772 , 887562 , 701835 , 7762697 , 6206628 , 32621472 , 30100855 , 978558043 , 860528429 , 1640760987 , 3422794685
n×2
411978854
n×3
617968281
n×4
823957708
n×5
1029947135
n÷2
102994713.5
n÷3
68663142.333333
n÷3
51497356.75
n÷5
41197885.4
n2
42431644035788329
n3
8.7404700416E+24
n4
1.8004444155799E+33
n5
3.7087251351064E+41
2 √n
14352.331761773
3 √n
590.58395406178
4 √n
119.80121769737
5 √n
46.001181458458
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
-205989426
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 205989427 can be divided by 8 positive divisors.
The sum of these divisors (counting 205989427) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100010001110010011000110011
3
Ternary
112100121100101001
4
Quaternary
30101302120303
5
Quinary
410213130202
6
Senary
32235022431
8
Octal
1421623063
10
Decimal
205989427
12
Duodecimal
58b9aa17
16
Hexadecimal
c472633
20
Vigesimal
3478db7
36
Base36
3en2gj
md5
3d719b4469cefe0fc41d4ab15ec3f757
sha1
44135360a150c73dbc269bb96472d89789440028
sha256
01a0a785a683945294fd93c47c62c319f403d41d70fda3cbe7fa51f7b6c7b3cd
sha512
55388a7382816bf8b879ac2a213fbdf1f1b4ea1328b371fcafe264a7cde5ecd1e0b6b08001072332251a95eb88aa50bc948dd2f949b63daeb5592ff462fac9bd
ripemd-160
e89697d0d9c98643f9e4de1c62c73a6288e65c76
Diameter
411978854
Circumference
1294269741.1607
Area
1.3330294118257E+17
Volume
3.6611995295483E+25
Surface area
5.3321176473028E+17
Circumference
1294269741.1607
Perimeter
823957708
Area
42431644035788329
Diagonal
291313041.36886
Surface area
254589864214729974
Volume
8.7404700416E+24
Space diagonal
356784153.386
Perimeter
617968281
Area
1.8373440829666E+16
Altitude
178392076.693
Surface area
1.8373440829666E+16
Volume
1.0300742728622E+24
Height
97104347.122954