65720661 is an odd 8-digits composite number following 65720660
and preceding 65720662 . In scientific notation, it is written as 6.5720661 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 43813772 positive integers (up to 65720661) that are relatively prime to 65720661.
65720661 has 4 divisors, whose sum is 87627552
The reverse of 65720661 is 16602756
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
sixty-five million seven hundred twenty thousand six hundred sixty-one
Scientific notation
6.5720661 × 10^7
Engineering notation
6.5720661 × 10^6
Prime Factorization
3 × 21906887
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
65720661
Product of the distinct prime numbers
The prime factorization of 65720661 is 3 × 21906887.
Since it has a total of 2 prime factors.
9 , 3 , 6 , 68 , 246 , 254 , 7157 , 8224 , 66153 , 78164 , 452931 , 718094 , 8186108 , 7009330 , 34279034 , 12075021 , 722648140 , 454215304 , 7242209664 , 2129306493
n×2
131441322
n×3
197161983
n×4
262882644
n×5
328603305
n÷2
32860330.5
n÷3
21906887
n÷3
16430165.25
n÷5
13144132.2
n2
4319205282276921
n3
2.8386102614593E+23
n4
1.8655534270449E+31
n5
1.2260540435621E+39
2 √n
8106.8280480099
3 √n
403.55305644448
4 √n
90.037925609211
5 √n
36.60499775546
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-65720660
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 65720661 can be divided by 4 positive divisors.
The sum of these divisors (counting 65720661) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111010101101000101010101
3
Ternary
11120122221210120
4
Quaternary
3322231011111
5
Quinary
113311030121
6
Senary
10304342153
8
Octal
372550525
10
Decimal
65720661
12
Duodecimal
1a014959
16
Hexadecimal
3ead155
20
Vigesimal
10af1d1
36
Base36
134mdx
md5
92530d4a1f703dfb4cd1e4b575621c3a
sha1
8bd6f1b1b7c0586816d06392fafdea5980bbc4cc
sha256
0bd3d43e0f7d95475caed70a948bd0072ff5bfb5da3d9604f372b9c4b44a6f31
sha512
833bd0d02fdd33073d83299ff4604048298b031fccb24438eb2a39a9db784bb31a9c5e4085e543ef21413bf99663842289d10742429f579d9cbc59b774ac355f
ripemd-160
ac4832608a36fc48efaaf9d66619e9eb01d34f28
Diameter
131441322
Circumference
412935091.57333
Area
1.3569183584147E+16
Volume
1.1890342858407E+24
Surface area
5.427673433659E+16
Circumference
412935091.57333
Perimeter
262882644
Area
4319205282276921
Diagonal
92943050.114325
Surface area
25915231693661526
Volume
2.8386102614593E+23
Space diagonal
113831523.95901
Perimeter
197161983
Area
1.8702707493059E+15
Altitude
56915761.979505
Surface area
1.8702707493059E+15
Volume
3.3453342750393E+22
Height
30981016.704775