205478420 is an even 9-digits composite number following 205478419
and preceding 205478421 . In scientific notation, it is written as 2.05478420 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 70449696 positive integers (up to 205478420) that are relatively prime to 205478420.
205478420 has 12 divisors, whose sum is 369861408
The reverse of 205478420 is 024874502
Previous prime number is 35
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred five million four hundred seventy-eight thousand four hundred twenty
Scientific notation
2.05478420 × 10^8
Engineering notation
2.05478420 × 10^6
Prime Factorization
2 × 2 × 35 × 1467703
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
102739210
Product of the distinct prime numbers
The prime factorization of 205478420 is 2 × 2 × 35 × 1467703.
Since it has a total of 4 prime factors.
7 , 10 , 85 , 76 , 599 , 874 , 7526 , 3026 , 32523 , 93322 , 918418 , 708616 , 2566416 , 4453459 , 97247259 , 80344126 , 525536033 , 324071770 , 2987732083 , 7729961871
n×2
410956840
n×3
616435260
n×4
821913680
n×5
1027392100
n÷2
102739210
n÷3
68492806.666667
n÷3
51369605
n÷5
41095684
n2
42221381085696400
n3
8.6755826757068E+24
n4
1.7826450207836E+33
n5
3.6629508229148E+41
2 √n
14334.518478135
3 √n
590.09518717024
4 √n
119.72684944546
5 √n
45.978335347645
1 , 2 , 4 , 35 , 70 , 140 , 1467703 , 2935406 , 5870812 , 51369605 , 102739210 , 205478420
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-205478419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 205478420 can be divided by 12 positive divisors.
The sum of these divisors (counting 205478420) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100001111110101101000010100
3
Ternary
112022122101101212
4
Quaternary
30033311220110
5
Quinary
410100302140
6
Senary
32220040552
8
Octal
1417655024
10
Decimal
205478420
12
Duodecimal
58993158
16
Hexadecimal
c3f5a14
20
Vigesimal
3444g10
36
Base36
3ec45w
md5
e79e38db840fc65a67b0a4d703acd4ec
sha1
bf2c6a2ccc2c5b0074d1d91e42029ed3ca796868
sha256
99a63187d7c4fb13970fce6bfa6d49780a136d08efcaf55413054609c57433e8
sha512
c865ef69001aa2acf317f89fcea9863e89ca80b41ddb238a501eb0a32f29b746bab38ac0e5628dc4082783019191d56f5a049bbd52a2647c0b9b79d111b4a932
ripemd-160
a6d45c2dc67662f9f7984e7343ebcaf9bb13a147
Diameter
410956840
Circumference
1291058989.4865
Area
1.3264238064324E+17
Volume
3.6340195732815E+25
Surface area
5.3056952257296E+17
Circumference
1291058989.4865
Perimeter
821913680
Area
42221381085696400
Diagonal
290590368.339
Surface area
253328286514178400
Volume
8.6755826757068E+24
Space diagonal
355899063.29898
Perimeter
616435260
Area
1.8282394301538E+16
Altitude
177949531.64949
Surface area
1.8282394301538E+16
Volume
1.0224272234561E+24
Height
96863456.112998