208020921 is an odd 9-digits composite number following 208020920
and preceding 208020922 . In scientific notation, it is written as 2.08020921 × 10^8.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 135298080 positive integers (up to 208020921) that are relatively prime to 208020921.
208020921 has 8 divisors, whose sum is 284126304
The reverse of 208020921 is 129020802
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 24
Digital Root 6
Name
two hundred eight million twenty thousand nine hundred twenty-one
Scientific notation
2.08020921 × 10^8
Engineering notation
2.08020921 × 10^6
Prime Factorization
3 × 41 × 1691227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
208020921
Product of the distinct prime numbers
The prime factorization of 208020921 is 3 × 41 × 1691227.
Since it has a total of 3 prime factors.
1 , 2 , 59 , 74 , 532 , 986 , 4600 , 3446 , 58866 , 61257 , 798130 , 460387 , 2350563 , 2420357 , 52104987 , 41938152 , 467556697 , 703522936 , 6948530554 , 7347928563
n×2
416041842
n×3
624062763
n×4
832083684
n×5
1040104605
n÷2
104010460.5
n÷3
69340307
n÷3
52005230.25
n÷5
41604184.2
n2
43272703573688241
n3
9.0016276515586E+24
n4
1.8725268745763E+33
n5
3.8952476504661E+41
2 √n
14422.930388794
3 √n
592.51907788096
4 √n
120.0955052814
5 √n
46.091559533858
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
-208020920
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 208020921 can be divided by 8 positive divisors.
The sum of these divisors (counting 208020921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011001100010010110111001
3
Ternary
112111102120001120
4
Quaternary
30121202112321
5
Quinary
411223132141
6
Senary
32350335453
8
Octal
1431422671
10
Decimal
208020921
12
Duodecimal
597ba589
16
Hexadecimal
c6625b9
20
Vigesimal
3502c61
36
Base36
3fulyx
md5
8039ba4bf4b0d8b90cde348ebcbb5e90
sha1
d10b3010460a17751762ec94f438d9943596fe70
sha256
9a7132a06e4dfc22cbf2866edea9456ca588982fa13299604aaf445e743fa364
sha512
fbca379f8a20b8b752928aa989dbb66c4f03d04db4625cdcab926015e983ffbaaed02a910244c8bae829b5e3bb83dc38912d74097a1a53304b51be9223d3faac
ripemd-160
2d11d4844670ff64346155beeee794d90e63d2ce
Diameter
416041842
Circumference
1307033994.4132
Area
1.3594520764807E+17
Volume
3.7705929733983E+25
Surface area
5.4378083059227E+17
Circumference
1307033994.4132
Perimeter
832083684
Area
43272703573688241
Diagonal
294186007.73554
Surface area
259636221442129446
Volume
9.0016276515586E+24
Space diagonal
360302804.20927
Perimeter
624062763
Area
1.8737630292624E+16
Altitude
180151402.10464
Surface area
1.8737630292624E+16
Volume
1.0608519923556E+24
Height
98062002.578514