84209905 is an odd 8-digits composite number following 84209904
and preceding 84209906 . In scientific notation, it is written as 8.4209905 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 61071360 positive integers (up to 84209905) that are relatively prime to 84209905.
84209905 has 24 divisors, whose sum is 110808936
The reverse of 84209905 is 50990248
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-four million two hundred nine thousand nine hundred five
Scientific notation
8.4209905 × 10^7
Engineering notation
8.4209905 × 10^6
Prime Factorization
5 × 13 × 71 × 71 × 257
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1186055
Product of the distinct prime numbers
The prime factorization of 84209905 is 5 × 13 × 71 × 71 × 257.
Since it has a total of 5 prime factors.
3 , 5 , 62 , 56 , 22 , 897 , 3756 , 6757 , 98952 , 29285 , 24846 , 696920 , 572753 , 4344609 , 63697766 , 41505132 , 685647732 , 220844124 , 788007871 , 5909374107
n×2
168419810
n×3
252629715
n×4
336839620
n×5
421049525
n÷2
42104952.5
n÷3
28069968.333333
n÷3
21052476.25
n÷5
16841981
n2
7091308100109025
n3
5.9715838143591E+23
n4
5.0286650570672E+31
n5
4.2346340673245E+39
2 √n
9176.5955016008
3 √n
438.31640537916
4 √n
95.794548391862
5 √n
38.465611016139
1 , 5 , 13 , 65 , 71 , 257 , 355 , 923 , 1285 , 3341 , 4615 , 5041 , 16705 , 18247 , 25205 , 65533 , 91235 , 237211 , 327665 , 1186055 , 1295537 , 6477685 , 16841981 , 84209905
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-84209904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 84209905 can be divided by 24 positive divisors.
The sum of these divisors (counting 84209905) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101000001001111000011110001
3
Ternary
12212110022021101
4
Quaternary
11001033003301
5
Quinary
133024204110
6
Senary
12204524401
8
Octal
501170361
10
Decimal
84209905
12
Duodecimal
24250701
16
Hexadecimal
504f0f1
20
Vigesimal
16664f5
36
Base36
1e4ws1
md5
a54ca343a108324e964678152b1fedda
sha1
98d1e54e007eb7abf1bc7b8acaf7da8977a1c12f
sha256
1f92036d5c29329f5e866472d365447bc821585fbc3d30610311f2cca2f8e8cc
sha512
fa69017fa1382e330c2922c3310df33042551d09312364c63ce132b360618f53d6841c400266e3a9c962dd9c5c713d9d60444cc0f2ea9004c67081c136b7caa6
ripemd-160
981e3388801af8d03e5d0d6e474dfc8912fe078b
Diameter
168419810
Circumference
529106437.81499
Area
2.2278001431644E+16
Volume
2.5013711788648E+24
Surface area
8.9112005726577E+16
Circumference
529106437.81499
Perimeter
336839620
Area
7091308100109025
Diagonal
119090789.73715
Surface area
42547848600654150
Volume
5.9715838143591E+23
Space diagonal
145855833.96055
Perimeter
252629715
Area
3.0706264803784E+15
Altitude
72927916.980274
Surface area
3.0706264803784E+15
Volume
7.0375790159286E+22
Height
39696929.912383