68204920 is an even 8-digits composite number following 68204919
and preceding 68204921 . In scientific notation, it is written as 6.8204920 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors.
There are 23384448 positive integers (up to 68204920) that are relatively prime to 68204920.
68204920 has 32 divisors, whose sum is 175384800
The reverse of 68204920 is 02940286
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
sixty-eight million two hundred four thousand nine hundred twenty
Scientific notation
6.8204920 × 10^7
Engineering notation
6.8204920 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 5 × 243589
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
17051230
Product of the distinct prime numbers
The prime factorization of 68204920 is 2 × 2 × 2 × 7 × 5 × 243589.
Since it has a total of 6 prime factors.
7 , 10 , 21 , 49 , 460 , 808 , 1902 , 5317 , 14285 , 84668 , 64783 , 731561 , 5263687 , 4296722 , 48821724 , 88506535 , 351170505 , 934595892 , 3689146578 , 3686461564
n×2
136409840
n×3
204614760
n×4
272819680
n×5
341024600
n÷2
34102460
n÷3
22734973.333333
n÷3
17051230
n÷5
13640984
n2
4651911112206400
n3
3.1728322525515E+23
n4
2.1640276995869E+31
n5
1.4759733612811E+39
2 √n
8258.6270045329
3 √n
408.57510528118
4 √n
90.876988311304
5 √n
36.87764172872
1 , 2 , 4 , 5 , 7 , 8 , 10 , 14 , 20 , 28 , 35 , 40 , 56 , 70 , 140 , 280 , 243589 , 487178 , 974356 , 1217945 , 1705123 , 1948712 , 2435890 , 3410246 , 4871780 , 6820492 , 8525615 , 9743560 , 13640984 , 17051230 , 34102460 , 68204920
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68204919
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68204920 can be divided by 32 positive divisors.
The sum of these divisors (counting 68204920) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000100001011100101111000
3
Ternary
11202100011120011
4
Quaternary
10010023211320
5
Quinary
114430024140
6
Senary
10433511304
8
Octal
404134570
10
Decimal
68204920
12
Duodecimal
1aa12534
16
Hexadecimal
410b978
20
Vigesimal
1165c60
36
Base36
14lv94
md5
7b803c3d9da12c648e2f29e7dd6e8a6c
sha1
66f379b373a49dcbec974c09c239152645460be0
sha256
8f39013b6c1e09fef253602b0cab826e2b0d08890cc3c54ef467a75e85c66576
sha512
958d1668125ffee385033de04041179511c538033bea5ed81897721459b861137bc929371b655bbb67544645fb5d2a2135e4d0bf24de7613b49c4abc94c9de1c
ripemd-160
d0a01ff177318b5104dea78ba2901a83da631cc8
Diameter
136409840
Circumference
428544151.22136
Area
1.461440977526E+16
Volume
1.3290328660918E+24
Surface area
5.8457639101041E+16
Circumference
428544151.22136
Perimeter
272819680
Area
4651911112206400
Diagonal
96456322.884572
Surface area
27911466673238400
Volume
3.1728322525515E+23
Space diagonal
118134386.76617
Perimeter
204614760
Area
2.0143365996589E+15
Altitude
59067193.383085
Surface area
2.0143365996589E+15
Volume
3.7392186689109E+22
Height
32152107.628191