66996819 is an odd 8-digits composite number following 66996818
and preceding 66996820 . In scientific notation, it is written as 6.6996819 × 10^7.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 44098704 positive integers (up to 66996819) that are relatively prime to 66996819.
66996819 has 8 divisors, whose sum is 75384000
The reverse of 66996819 is 91869966
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-six million nine hundred ninety-six thousand eight hundred nineteen
Scientific notation
6.6996819 × 10^7
Engineering notation
6.6996819 × 10^6
Prime Factorization
9 × 79 × 94229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66996819
Product of the distinct prime numbers
The prime factorization of 66996819 is 9 × 79 × 94229.
Since it has a total of 3 prime factors.
1 , 8 , 55 , 43 , 542 , 384 , 5445 , 9441 , 71308 , 83955 , 901795 , 102878 , 3512117 , 1019568 , 9731685 , 99470884 , 382620874 , 992860977 , 7001892086 , 8625260042
n×2
133993638
n×3
200990457
n×4
267987276
n×5
334984095
n÷2
33498409.5
n÷3
22332273
n÷3
16749204.75
n÷5
13399363.8
n2
4488573756118761
n3
3.0072016350684E+23
n4
2.0147294364118E+31
n5
1.3498046338525E+39
2 √n
8185.1584590648
3 √n
406.14838218935
4 √n
90.4718655664
5 √n
36.746064802572
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66996818
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66996819 can be divided by 8 positive divisors.
The sum of these divisors (counting 66996819) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111100100101001010011
3
Ternary
11200001210100200
4
Quaternary
3333210221103
5
Quinary
114122344234
6
Senary
10351550243
8
Octal
377445123
10
Decimal
66996819
12
Duodecimal
1a52b383
16
Hexadecimal
3fe4a53
20
Vigesimal
10iec0j
36
Base36
13vz2r
md5
783a3ba319d4a17bfa8fbc76178fb3c4
sha1
d71050b1cbc3d539dcca64a69ce4b92b0b2bc003
sha256
9faca697256086937624a79d522915bb42d202ae586b064a80ec28772f6d9e6f
sha512
41b72aefb16c942019ccb81c902d24026ef6c362acd1f86522dcc8576cbcf58beae819d7a424409481a1842f096183460dacab351fae66b6e8fddaefa8061f3d
ripemd-160
68439b0c483d1d19632e8e864d1fedd7e68f42cd
Diameter
133993638
Circumference
420953428.76857
Area
1.4101270337319E+16
Volume
1.2596536752792E+24
Surface area
5.6405081349275E+16
Circumference
420953428.76857
Perimeter
267987276
Area
4488573756118761
Diagonal
94747810.065655
Surface area
26931442536712566
Volume
3.0072016350684E+23
Space diagonal
116041894.4535
Perimeter
200990457
Area
1.9436094497795E+15
Altitude
58020947.226748
Surface area
1.9436094497795E+15
Volume
3.5440211142536E+22
Height
31582603.355218