65981091 is an odd 8-digits composite number following 65981090
and preceding 65981092 . In scientific notation, it is written as 6.5981091 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 37061280 positive integers (up to 65981091) that are relatively prime to 65981091.
65981091 has 16 divisors, whose sum is 73113600
The reverse of 65981091 is 19018956
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-five million nine hundred eighty-one thousand ninety-one
Scientific notation
6.5981091 × 10^7
Engineering notation
6.5981091 × 10^6
Prime Factorization
33 × 19 × 47 × 2239
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
65981091
Product of the distinct prime numbers
The prime factorization of 65981091 is 33 × 19 × 47 × 2239.
Since it has a total of 4 prime factors.
2 , 8 , 91 , 68 , 590 , 145 , 417 , 797 , 24098 , 63814 , 868136 , 48293 , 2491073 , 1421238 , 91989830 , 89329828 , 154403972 , 284210710 , 1903104368 , 1449233432
n×2
131962182
n×3
197943273
n×4
263924364
n×5
329905455
n÷2
32990545.5
n÷3
21993697
n÷3
16495272.75
n÷5
13196218.2
n2
4353504369550281
n3
2.8724896797619E+23
n4
1.8953000295693E+31
n5
1.2505396372332E+39
2 √n
8122.8745527676
3 √n
404.08540453372
4 √n
90.126991255493
5 √n
36.63396266449
1 , 19 , 33 , 47 , 627 , 893 , 1551 , 2239 , 29469 , 42541 , 73887 , 105233 , 1403853 , 1999427 , 3472689 , 65981091
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
-65981090
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 65981091 can be divided by 16 positive divisors.
The sum of these divisors (counting 65981091) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111011101100101010100011
3
Ternary
11121011012001010
4
Quaternary
3323230222203
5
Quinary
113342343331
6
Senary
10314112003
8
Octal
373545243
10
Decimal
65981091
12
Duodecimal
1a11b603
16
Hexadecimal
3eecaa3
20
Vigesimal
10c7ceb
36
Base36
13a7c3
md5
37e7ab3c9a4a2bcadefc8291e2cf342f
sha1
5ec79ad3e22c850c24650928ef40131da1be4bef
sha256
26a03d8e11ae3c1ca801e82034f979654e0a048e798a84346a5607de9bc4f414
sha512
c2ba2d777becb43ce69b0d42e01b64470162d6d670c934f77b161cd35df2b40adbde239188cac928eb163a174a91d4b5bcc8b7db47414a4c2e1c71f97af4bdca
ripemd-160
5f28d720078198a26b30009caab3f72655fa17cc
Diameter
131962182
Circumference
414571421.52288
Area
1.367693734475E+16
Volume
1.2032256633937E+24
Surface area
5.4707749379001E+16
Circumference
414571421.52288
Perimeter
263924364
Area
4353504369550281
Diagonal
93311353.752373
Surface area
26121026217301686
Volume
2.8724896797619E+23
Space diagonal
114282601.95083
Perimeter
197943273
Area
1.8851226897586E+15
Altitude
57141300.975413
Surface area
1.8851226897586E+15
Volume
3.3852615524134E+22
Height
31103784.584124