66843989 is an odd 8-digits prime number following 66843988
and preceding 66843990 . In scientific notation, it is written as 6.6843989 × 10^7.
The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors.
There are 66843988 positive integers (up to 66843989) that are relatively prime to 66843989.
66843989 has 2 divisors, whose sum is 66843990
The reverse of 66843989 is 98934866
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 53 Digital Root 8
Name
sixty-six million eight hundred forty-three thousand nine hundred eighty-nine
Scientific notation
6.6843989 × 10^7
Engineering notation
6.6843989 × 10^6
Prime Factorization
66843989
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
66843989 Product of the distinct prime numbers
The prime factorization of 66843989 is 66843989.
Since it has a total of 1 prime factors.
7 , 3 , 69 , 76 , 737 , 909 , 4732 , 5908 , 58852 , 65185 , 372255 , 553232 , 2627885 , 1079428 , 51920866 , 94588140 , 8491801 , 554809291 , 7675953176 , 2025751454
n×2
133687978
n×3
200531967
n×4
267375956
n×5
334219945
n÷2
33421994.5
n÷3
22281329.666667
n÷3
16710997.25
n÷5
13368797.8
n2
4468118865432121
n3
2.9866688829164E+23
n4
1.996408619563E+31
n5
1.3344791580558E+39
2 √n8175.8173291727
3 √n405.83931818502
4 √n90.420226327812
5 √n36.729284804702
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
66843990 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
33421995 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8175.8173903286 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999700796 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66843989 can be divided by 2 positive divisors.
The sum of these divisors (counting 66843989) is 66843990, the average is 33421995.
Base
System
Value
2
Binary
11111110111111010101010101
3
Ternary
11122210000201022
4
Quaternary
3332333111111
5
Quinary
114103001424
6
Senary
10344410525
8
Octal
376772525
10
Decimal
66843989
12
Duodecimal
1a476a45
16
Hexadecimal
3fbf555
20
Vigesimal
10hf9j9
36
Base36
13sp5h
md5
2278f0c326e4cc91080da8c3e6cfc2f2
sha1
c468e036f9266e3343bcd99fc8f42d7c3a68e0a1
sha256
cdcf5bdbd8c8472a96bd95ab5a9431186151c18151b94fb9f1c84a0bc3757906
sha512
f1c7390f6feba16d6f95aba5fbfe586ad702d376c27118820ba69f7be571262b4a1560db5d75c120907b70c72aa24639e7357ce1f11c29ef6d39ac79cdea97de
ripemd-160
f43cf6455059bba983b86b8079a6a5279631bb62
Diameter
133687978
Circumference
419993169.55807
Area
1.4037009403008E+16
Volume
1.25105293617E+24
Surface area
5.614803761203E+16
Circumference
419993169.55807
Perimeter
267375956
Area
4468118865432121
Diagonal
94531675.806918
Surface area
26808713192592726
Volume
2.9866688829164E+23
Space diagonal
115777185.12858
Perimeter
200531967
Area
1.9347522222964E+15
Altitude
57888592.564288
Surface area
1.9347522222964E+15
Volume
3.5198230337817E+22
Height
31510558.602306