65797981 is an odd 8-digits prime number following 65797980
and preceding 65797982 . In scientific notation, it is written as 6.5797981 × 10^7.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 65797980 positive integers (up to 65797981) that are relatively prime to 65797981.
65797981 has 2 divisors, whose sum is 65797982
The reverse of 65797981 is 18979756
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 52 Digital Root 7
Name
sixty-five million seven hundred ninety-seven thousand nine hundred eighty-one
Scientific notation
6.5797981 × 10^7
Engineering notation
6.5797981 × 10^6
Prime Factorization
65797981
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
65797981 Product of the distinct prime numbers
The prime factorization of 65797981 is 65797981.
Since it has a total of 1 prime factors.
10 , 9 , 78 , 95 , 328 , 472 , 4417 , 8821 , 2398 , 73589 , 893604 , 985606 , 4087523 , 2072080 , 36657694 , 32107080 , 713859641 , 887776294 , 7605169273 , 5279988348
n×2
131595962
n×3
197393943
n×4
263191924
n×5
328989905
n÷2
32898990.5
n÷3
21932660.333333
n÷3
16449495.25
n÷5
13159596.2
n2
4329374303676361
n3
2.8486408817519E+23
n4
1.8743481861333E+31
n5
1.2332832633858E+39
2 √n8111.5954657515
3 √n403.71125374617
4 √n90.064396215994
5 √n36.613606821135
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
65797982 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
32898991 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8111.5955273916 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999696039 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 65797981 can be divided by 2 positive divisors.
The sum of these divisors (counting 65797981) is 65797982, the average is 32898991.
Base
System
Value
2
Binary
11111010111111111101011101
3
Ternary
11120210212212021
4
Quaternary
3322333331131
5
Quinary
113321013411
6
Senary
10310140141
8
Octal
372777535
10
Decimal
65797981
12
Duodecimal
1a051651
16
Hexadecimal
3ebff5d
20
Vigesimal
10b4ej1
36
Base36
136a1p
md5
bddebd494b499c2852032a3e36eab1dd
sha1
e9bb55e4cf0f97c61413b325e43e4ab80942dc03
sha256
381728131fdac66e165767218c76aa15ad94ef7785534e66dad83b11463cce5f
sha512
5b299cdb161e04115283b2dcef7133d29fb216a8cdfdfe85f6d6dad73a508e1e02d12f5ffec43da89e0ae27345992ec5ac7607e8dc9aff9c6fb3b479452483a9
ripemd-160
70de35226925b3a0b31ba57f01c0d9bf5833f94a
Diameter
131595962
Circumference
413420907.46128
Area
1.360113050707E+16
Volume
1.1932359022436E+24
Surface area
5.440452202828E+16
Circumference
413420907.46128
Perimeter
263191924
Area
4329374303676361
Diagonal
93052397.106967
Surface area
25976245822058166
Volume
2.8486408817519E+23
Space diagonal
113965446.12745
Perimeter
197393943
Area
1.8746740647376E+15
Altitude
56982723.063726
Surface area
1.8746740647376E+15
Volume
3.3571554744199E+22
Height
31017465.702322