208039891 is an odd 9-digits composite number following 208039890
and preceding 208039892 . In scientific notation, it is written as 2.08039891 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 200166120 positive integers (up to 208039891) that are relatively prime to 208039891.
208039891 has 8 divisors, whose sum is 216058304
The reverse of 208039891 is 198930802
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
two hundred eight million thirty-nine thousand eight hundred ninety-one
Scientific notation
2.08039891 × 10^8
Engineering notation
2.08039891 × 10^6
Prime Factorization
67 × 43 × 72211
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
208039891
Product of the distinct prime numbers
The prime factorization of 208039891 is 67 × 43 × 72211.
Since it has a total of 3 prime factors.
7 , 6 , 100 , 49 , 274 , 841 , 2260 , 4550 , 39445 , 14633 , 814329 , 849788 , 8098557 , 9552884 , 88944596 , 82614789 , 93191424 , 969862847 , 8695075050 , 5058527842
n×2
416079782
n×3
624119673
n×4
832159564
n×5
1040199455
n÷2
104019945.5
n÷3
69346630.333333
n÷3
52009972.75
n÷5
41607978.2
n2
43280596247291881
n3
9.0040905257016E+24
n4
1.8732100115211E+33
n5
3.8970240661696E+41
2 √n
14423.58800715
3 √n
592.53708848169
4 √n
120.09824314764
5 √n
46.092400146416
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
-208039890
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 208039891 can be divided by 8 positive divisors.
The sum of these divisors (counting 208039891) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011001100110111111010011
3
Ternary
112111110112002011
4
Quaternary
30121212333103
5
Quinary
411224234031
6
Senary
32351003351
8
Octal
1431467723
10
Decimal
208039891
12
Duodecimal
59809557
16
Hexadecimal
c666fd3
20
Vigesimal
3504jeb
36
Base36
3fv0lv
md5
299b14fa9a0a4009b6fea8633e90bafc
sha1
667e5b0adab06024e407b4b80accadd0e341d7be
sha256
8caec4f376b924bd5a4dea492a302f19e71db900d5e79a8bd5da5e88632fc801
sha512
4afa51ef773973f761e71663eee869d921e461e01062602efccf84c10d8ccf2c1513fbaab3f2a699139931b901911a564f0696748470011975d502795f423491
ripemd-160
0ad50d3a0388997a880b7e206bf5e2a0df2a64f5
Diameter
416079782
Circumference
1307153186.4384
Area
1.3597000321348E+17
Volume
3.7716246197069E+25
Surface area
5.4388001285391E+17
Circumference
1307153186.4384
Perimeter
832159564
Area
43280596247291881
Diagonal
294212835.36682
Surface area
259683577483751286
Volume
9.0040905257016E+24
Space diagonal
360335661.21309
Perimeter
624119673
Area
1.8741047920546E+16
Altitude
180167830.60655
Surface area
1.8741047920546E+16
Volume
1.0611422448569E+24
Height
98070945.122273