66878885 is an odd 8-digits composite number following 66878884
and preceding 66878886 . In scientific notation, it is written as 6.6878885 × 10^7.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 52364560 positive integers (up to 66878885) that are relatively prime to 66878885.
66878885 has 8 divisors, whose sum is 81962496
The reverse of 66878885 is 58887866
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
sixty-six million eight hundred seventy-eight thousand eight hundred eighty-five
Scientific notation
6.6878885 × 10^7
Engineering notation
6.6878885 × 10^6
Prime Factorization
5 × 47 × 284591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66878885
Product of the distinct prime numbers
The prime factorization of 66878885 is 5 × 47 × 284591.
Since it has a total of 3 prime factors.
9 , 5 , 88 , 62 , 650 , 689 , 2016 , 4102 , 62693 , 95540 , 893244 , 124220 , 6106408 , 9853503 , 65021024 , 52615498 , 22702814 , 631646772 , 4042171087 , 4323118191
n×2
133757770
n×3
200636655
n×4
267515540
n×5
334394425
n÷2
33439442.5
n÷3
22292961.666667
n÷3
16719721.25
n÷5
13375777
n2
4472785258843225
n3
2.9913489095587E+23
n4
2.0005807971725E+31
n5
1.3379661306731E+39
2 √n
8177.9511492794
3 √n
405.90992889768
4 √n
90.43202502034
5 √n
36.73311891927
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
-66878884
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 66878885 can be divided by 8 positive divisors.
The sum of these divisors (counting 66878885) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111000111110110100101
3
Ternary
11122211210120202
4
Quaternary
3333013312211
5
Quinary
114110111020
6
Senary
10345240245
8
Octal
377076645
10
Decimal
66878885
12
Duodecimal
1a493085
16
Hexadecimal
3fc7da5
20
Vigesimal
10hjh45
36
Base36
13tg2t
md5
cc081a6af91ecd3d3192eb70b566cb9d
sha1
48f6e6bc9b8f51650acb2512b821d915c644baaf
sha256
dbe3183453442a251cae0a0bcd99cdd822f16c6abb2f2fe719b16db2ef8237da
sha512
7a7eb2c5ab8cfa9e2667ab2e4fa6a885789dbd60f0522cc9072bd30f16b73ba760322f82ae95011ccb9992f56cd961381780d599fa949d5d5f6323b3e99d545a
ripemd-160
8492e7e881b9ae0253ebaac458375a9133525c6b
Diameter
133757770
Circumference
420212427.59255
Area
1.4051669310267E+16
Volume
1.2530133011458E+24
Surface area
5.6206677241066E+16
Circumference
420212427.59255
Perimeter
267515540
Area
4472785258843225
Diagonal
94581026.203391
Surface area
26836711553059350
Volume
2.9913489095587E+23
Space diagonal
115837626.77356
Perimeter
200636655
Area
1.9367728299154E+15
Altitude
57918813.386778
Surface area
1.9367728299154E+15
Volume
3.5253384980733E+22
Height
31527008.734464