66889785 is an odd 8-digits composite number following 66889784
and preceding 66889786 . In scientific notation, it is written as 6.6889785 × 10^7.
The sum of its digits is 57. It has a total of 5 prime factors and 32 positive divisors.
There are 31933440 positive integers (up to 66889785) that are relatively prime to 66889785.
66889785 has 32 divisors, whose sum is 79380480
The reverse of 66889785 is 58798866
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
sixty-six million eight hundred eighty-nine thousand seven hundred eighty-five
Scientific notation
6.6889785 × 10^7
Engineering notation
6.6889785 × 10^6
Prime Factorization
15 × 67 × 31 × 19 × 113
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
66889785
Product of the distinct prime numbers
The prime factorization of 66889785 is 15 × 67 × 31 × 19 × 113.
Since it has a total of 5 prime factors.
7 , 2 , 52 , 79 , 987 , 618 , 1719 , 8745 , 52427 , 48039 , 974537 , 380798 , 7192394 , 2485147 , 42478448 , 37424038 , 566783430 , 956763874 , 4543029413 , 4827535972
n×2
133779570
n×3
200669355
n×4
267559140
n×5
334448925
n÷2
33444892.5
n÷3
22296595
n÷3
16722446.25
n÷5
13377957
n2
4474243337346225
n3
2.9928117487277E+23
n4
2.0018853441787E+31
n5
1.3390568026676E+39
2 √n
8178.6175482168
3 √n
405.93197959366
4 √n
90.435709474835
5 √n
36.734316202677
1 , 15 , 19 , 31 , 67 , 113 , 285 , 465 , 589 , 1005 , 1273 , 1695 , 2077 , 2147 , 3503 , 7571 , 8835 , 19095 , 31155 , 32205 , 39463 , 52545 , 66557 , 113565 , 143849 , 234701 , 591945 , 998355 , 2157735 , 3520515 , 4459319 , 66889785
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66889784
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66889785 can be divided by 32 positive divisors.
The sum of these divisors (counting 66889785) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111111001010100000111001
3
Ternary
11122212100112110
4
Quaternary
3333022200321
5
Quinary
114110433120
6
Senary
10345402533
8
Octal
377124071
10
Decimal
66889785
12
Duodecimal
1a499449
16
Hexadecimal
3fca839
20
Vigesimal
10i1495
36
Base36
13tohl
md5
287582238cb02c3d7c7eb418c575c501
sha1
5fc843cccb090942e97b9460b3bc2be912958350
sha256
9921f5dd946fcc397a8e5df15fe9b0f49c4adf05c019dca4f235c3a853285278
sha512
5abd07560096a748d970c9cc03c1872985c46c22d3a5a832bc9c6f62e2d798bb09aa9683d3bbdd6d669d6c5244ea328339e65faaaa8f1a34ab7b52391bf63074
ripemd-160
76486307bf9fffc91fea65f56ab3065dd4e484b3
Diameter
133779570
Circumference
420280914.3124
Area
1.405624999898E+16
Volume
1.253626053784E+24
Surface area
5.622499999592E+16
Circumference
420280914.3124
Perimeter
267559140
Area
4474243337346225
Diagonal
94596441.13122
Surface area
26845460024077350
Volume
2.9928117487277E+23
Space diagonal
115856506.12736
Perimeter
200669355
Area
1.9374041964275E+15
Altitude
57928253.063679
Surface area
1.9374041964275E+15
Volume
3.5270624705669E+22
Height
31532147.04374