65668840 is an even 8-digits composite number following 65668839
and preceding 65668841 . In scientific notation, it is written as 6.5668840 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors.
There are 26267520 positive integers (up to 65668840) that are relatively prime to 65668840.
65668840 has 16 divisors, whose sum is 147754980
The reverse of 65668840 is 04886656
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixty-five million six hundred sixty-eight thousand eight hundred forty
Scientific notation
6.5668840 × 10^7
Engineering notation
6.5668840 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 1641721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
16417210
Product of the distinct prime numbers
The prime factorization of 65668840 is 2 × 2 × 2 × 5 × 1641721.
Since it has a total of 5 prime factors.
1 , 5 , 57 , 92 , 133 , 89 , 9902 , 6531 , 92806 , 59210 , 93000 , 297331 , 7070265 , 781149 , 85603724 , 56850144 , 427159598 , 764714955 , 4382008933 , 4885195549
n×2
131337680
n×3
197006520
n×4
262675360
n×5
328344200
n÷2
32834420
n÷3
21889613.333333
n÷3
16417210
n÷5
13133768
n2
4312396546945600
n3
2.8319007885792E+23
n4
1.8596763978108E+31
n5
1.2212279181962E+39
2 √n
8103.6312848007
3 √n
403.44696082927
4 √n
90.020171543942
5 √n
36.599223296924
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 1641721 , 3283442 , 6566884 , 8208605 , 13133768 , 16417210 , 32834420 , 65668840
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-65668839
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 65668840 can be divided by 16 positive divisors.
The sum of these divisors (counting 65668840) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111010100000011011101000
3
Ternary
11120120022201021
4
Quaternary
3322200123220
5
Quinary
113302400330
6
Senary
10303302224
8
Octal
372403350
10
Decimal
65668840
12
Duodecimal
19baa974
16
Hexadecimal
3ea06e8
20
Vigesimal
10a8c20
36
Base36
133ieg
md5
3b620208ea0c013f43ab67ef64a6c5ed
sha1
4fd841dcf4100201af8d23e422e33bc0c67facdb
sha256
df6c7b665565ab0526f31177c8c9deae58c981d1bee49734260425d116cdf374
sha512
8281f8c7af8fea95826403a1459dc267321e89d48a865e8a663ccaace2cfda207657e693cb7d752888d2682b78e89d04e0d905591080810ebd4277c68b8698e2
ripemd-160
cb9dfff6168761ec4fc2bf8c82da83b59f2dcb3b
Diameter
131337680
Circumference
412609490.62753
Area
1.354779331125E+16
Volume
1.1862238284128E+24
Surface area
5.4191173245001E+16
Circumference
412609490.62753
Perimeter
262675360
Area
4312396546945600
Diagonal
92869764.153309
Surface area
25874379281673600
Volume
2.8319007885792E+23
Space diagonal
113741767.35411
Perimeter
197006520
Area
1.8673224804236E+15
Altitude
56870883.677056
Surface area
1.8673224804236E+15
Volume
3.3374270854198E+22
Height
30956588.051103