66412981 is an odd 8-digits prime number following 66412980
and preceding 66412982 . In scientific notation, it is written as 6.6412981 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 66412980 positive integers (up to 66412981) that are relatively prime to 66412981.
66412981 has 2 divisors, whose sum is 66412982
The reverse of 66412981 is 18921466
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixty-six million four hundred twelve thousand nine hundred eighty-one
Scientific notation
6.6412981 × 10^7
Engineering notation
6.6412981 × 10^6
Prime Factorization
66412981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
66412981
Product of the distinct prime numbers
The prime factorization of 66412981 is 66412981.
Since it has a total of 1 prime factors.
9 , 10 , 84 , 91 , 593 , 360 , 1206 , 5593 , 97282 , 30713 , 613461 , 421075 , 9923961 , 7678876 , 90771467 , 14810974 , 323132673 , 334303723 , 4264886786 , 6264279170
n×2
132825962
n×3
199238943
n×4
265651924
n×5
332064905
n÷2
33206490.5
n÷3
22137660.333333
n÷3
16603245.25
n÷5
13282596.2
n2
4410684045306361
n3
2.9292667569793E+23
n4
1.945413374752E+31
n5
1.2920070149455E+39
2 √n
8149.4159913456
3 √n
404.96515678499
4 √n
90.274115843611
5 √n
36.681796303097
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
66412982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
33206491
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8149.4160526997
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999698854
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66412981 can be divided by 2 positive divisors.
The sum of these divisors (counting 66412981) is 66412982, the average is 33206491.
Base
System
Value
2
Binary
11111101010110000110110101
3
Ternary
11121222010111001
4
Quaternary
3331112012311
5
Quinary
114000203411
6
Senary
10331243301
8
Octal
375260665
10
Decimal
66412981
12
Duodecimal
1a2a9531
16
Hexadecimal
3f561b5
20
Vigesimal
10f1c91
36
Base36
13jgl1
md5
338755d784731f3c55cf219e9750c621
sha1
7bffd51acd0212289745c07e6a0655e5ca9c30ec
sha256
f9ddd8116db0bb676e283eed21e7e7c9fe4ee663b7aa40d62dd4146be8b296de
sha512
e226a7b291c30211f296454917bfcf059ff164fa992a4831247dc5d06efdbba2b7cb2fa1abe45cf9ab2e63744ee58e5c34ab1605e09daa2e1386085ccb167de5
ripemd-160
14471e2967b9c489375a70aa8c39a3c88b605b98
Diameter
132825962
Circumference
417285066.4252
Area
1.385657259404E+16
Volume
1.2270083898841E+24
Surface area
5.5426290376161E+16
Circumference
417285066.4252
Perimeter
265651924
Area
4410684045306361
Diagonal
93922138.447827
Surface area
26464104271838166
Volume
2.9292667569793E+23
Space diagonal
115030657.37411
Perimeter
199238943
Area
1.909882215651E+15
Altitude
57515328.687053
Surface area
1.909882215651E+15
Volume
3.4521739796074E+22
Height
31307379.482609