208542021 is an odd 9-digits composite number following 208542020
and preceding 208542022 . In scientific notation, it is written as 2.08542021 × 10^8.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 139028012 positive integers (up to 208542021) that are relatively prime to 208542021.
208542021 has 4 divisors, whose sum is 278056032
The reverse of 208542021 is 120245802
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 24
Digital Root 6
Name
two hundred eight million five hundred forty-two thousand twenty-one
Scientific notation
2.08542021 × 10^8
Engineering notation
2.08542021 × 10^6
Prime Factorization
3 × 69514007
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
208542021
Product of the distinct prime numbers
The prime factorization of 208542021 is 3 × 69514007.
Since it has a total of 2 prime factors.
1 , 10 , 33 , 93 , 825 , 329 , 3072 , 7432 , 33285 , 4720 , 673256 , 143220 , 4471973 , 7052943 , 11528533 , 5434874 , 128032293 , 966811169 , 4945055727 , 8469611610
n×2
417084042
n×3
625626063
n×4
834168084
n×5
1042710105
n÷2
104271010.5
n÷3
69514007
n÷3
52135505.25
n÷5
41708404.2
n2
43489774522764441
n3
9.0694454718116E+24
n4
1.8913604880409E+33
n5
3.9442813861559E+41
2 √n
14440.984073116
3 √n
593.01342596294
4 √n
120.17064563826
5 √n
46.114628637647
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
-208542020
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 208542021 can be divided by 4 positive divisors.
The sum of these divisors (counting 208542021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011011100001100101000101
3
Ternary
112112102000212120
4
Quaternary
30123201211011
5
Quinary
411341321041
6
Senary
32405440153
8
Octal
1433414505
10
Decimal
208542021
12
Duodecimal
59a10059
16
Hexadecimal
c6e1945
20
Vigesimal
3537f11
36
Base36
3g5s1x
md5
01e33a6d5643d0b71ca676360cdc531e
sha1
db85824f3ceed65c91b65fce869294c972ca6f20
sha256
f33feedf87b86a87b1aa7da4148871a9f3b93070c04ed39e6b9a24174ffd5f02
sha512
aecbf578a707894ad41622a40cd2af0c1b4120e8c65e1cbb6a3315e0e4a5562927afd4d07b4d5cb98f7ffe7251e6161c4e267e329c4f94ca9fa0105ad21f7481
ripemd-160
e9faabd7d5839149750d7d8729e2506f93eeec6f
Diameter
417084042
Circumference
1310308162.2767
Area
1.3662715614699E+17
Volume
3.7990004355169E+25
Surface area
5.4650862458797E+17
Circumference
1310308162.2767
Perimeter
834168084
Area
43489774522764441
Diagonal
294922954.42289
Surface area
260938647136586646
Volume
9.0694454718116E+24
Space diagonal
361205375.8851
Perimeter
625626063
Area
1.8831624770786E+16
Altitude
180602687.94255
Surface area
1.8831624770786E+16
Volume
1.0688443991199E+24
Height
98307651.474298