66869897 is an odd 8-digits composite number following 66869896
and preceding 66869898 . In scientific notation, it is written as 6.6869897 × 10^7.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 65822400 positive integers (up to 66869897) that are relatively prime to 66869897.
66869897 has 4 divisors, whose sum is 66890880
The reverse of 66869897 is 79896866
Previous prime number is 17063
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 59
Digital Root 5
Name
sixty-six million eight hundred sixty-nine thousand eight hundred ninety-seven
Scientific notation
6.6869897 × 10^7
Engineering notation
6.6869897 × 10^6
Prime Factorization
17063 × 3919
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66869897
Product of the distinct prime numbers
The prime factorization of 66869897 is 17063 × 3919.
Since it has a total of 2 prime factors.
6 , 6 , 22 , 80 , 135 , 932 , 7298 , 1612 , 71235 , 67266 , 398677 , 67237 , 4266219 , 7712863 , 48223005 , 67651373 , 453009925 , 676560613 , 8641321004 , 3200872250
n×2
133739794
n×3
200609691
n×4
267479588
n×5
334349485
n÷2
33434948.5
n÷3
22289965.666667
n÷3
16717474.25
n÷5
13373979.4
n2
4471583124790609
n3
2.9901430298169E+23
n4
1.9995055641912E+31
n5
1.3370673112839E+39
2 √n
8177.4016044218
3 √n
405.89174437458
4 √n
90.428986527671
5 √n
36.732131537311
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66869896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66869897 can be divided by 4 positive divisors.
The sum of these divisors (counting 66869897) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111000101101010001001
3
Ternary
11122211100020212
4
Quaternary
3333011222021
5
Quinary
114104314042
6
Senary
10345130505
8
Octal
377055211
10
Decimal
66869897
12
Duodecimal
1a489a35
16
Hexadecimal
3fc5a89
20
Vigesimal
10hieeh
36
Base36
13t955
md5
9df7a8b169adee2f6ed89b7f118c28f2
sha1
24b561402c33a987f7324379b7bf4af837b78424
sha256
2bbdafcdb36c75d9f56e4fb9dc0033113fce6719793021cfa3461173b6043623
sha512
e8aa84939d6d677b9d257d254aeb785811ad9c284e351ea5dbc1be2c0610e08e8f15e64164e7e56a135f412b7feb70498746d0ce28aff254cca037de8b01a5e4
ripemd-160
d826fa62bd865aa5c4bc88d7a8100304f92f3366
Diameter
133739794
Circumference
420155954.32301
Area
1.4047892694758E+16
Volume
1.2525081834207E+24
Surface area
5.6191570779033E+16
Circumference
420155954.32301
Perimeter
267479588
Area
4471583124790609
Diagonal
94568315.251892
Surface area
26829498748743654
Volume
2.9901430298169E+23
Space diagonal
115822059.1009
Perimeter
200609691
Area
1.9362522906012E+15
Altitude
57911029.550449
Surface area
1.9362522906012E+15
Volume
3.5239173551687E+22
Height
31522771.750631