65985890 is an even 8-digits composite number following 65985889
and preceding 65985891 . In scientific notation, it is written as 6.5985890 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 26394352 positive integers (up to 65985890) that are relatively prime to 65985890.
65985890 has 8 divisors, whose sum is 118774620
The reverse of 65985890 is 09858956
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-five million nine hundred eighty-five thousand eight hundred ninety
Scientific notation
6.5985890 × 10^7
Engineering notation
6.5985890 × 10^6
Prime Factorization
2 × 5 × 6598589
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
65985890
Product of the distinct prime numbers
The prime factorization of 65985890 is 2 × 5 × 6598589.
Since it has a total of 3 prime factors.
10 , 2 , 19 , 64 , 162 , 66 , 9520 , 9346 , 29677 , 17888 , 145363 , 826036 , 5609206 , 9298432 , 35800454 , 42638602 , 200857868 , 100403446 , 4800869770 , 7162810
n×2
131971780
n×3
197957670
n×4
263943560
n×5
329929450
n÷2
32992945
n÷3
21995296.666667
n÷3
16496472.5
n÷5
13197178
n2
4354137679092100
n3
2.8731164993743E+23
n4
1.895851492849E+31
n5
1.2509944806347E+39
2 √n
8123.1699477482
3 √n
404.09520107196
4 √n
90.128630011491
5 √n
36.634495548289
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
-65985889
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 65985890 can be divided by 8 positive divisors.
The sum of these divisors (counting 65985890) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111011101101110101100010
3
Ternary
11121011102121212
4
Quaternary
3323231311202
5
Quinary
113343022030
6
Senary
10314150122
8
Octal
373556542
10
Decimal
65985890
12
Duodecimal
1a122342
16
Hexadecimal
3eedd62
20
Vigesimal
10c84ea
36
Base36
13ab1e
md5
faa09a8961d7b1bb8920a4532641f78b
sha1
97938164c4f01437c5c04092543cae9e104cfc50
sha256
f85766712883e9c247d67b1225468ed9cc95b0efff4238ecae87df862dd32e32
sha512
36db35ce0c29a65175c3943ab9cdab69eb154f2b52f421432ce766f9e7a14bf980508ce5cfae4cdd2d677b8075f7c38c25ad7045a31aba1d840b06e0e7d7cc01
ripemd-160
2b98b7d5b6d69da739b52eedd0e830db67541180
Diameter
131971780
Circumference
414601574.52917
Area
1.3678926945354E+16
Volume
1.2034882249789E+24
Surface area
5.4715707781417E+16
Circumference
414601574.52917
Perimeter
263943560
Area
4354137679092100
Diagonal
93318140.563259
Surface area
26124826074552600
Volume
2.8731164993743E+23
Space diagonal
114290914.06265
Perimeter
197957670
Area
1.8853969208344E+15
Altitude
57145457.031326
Surface area
1.8853969208344E+15
Volume
3.3860002664108E+22
Height
31106046.85442