66709897 is an odd 8-digits composite number following 66709896
and preceding 66709898 . In scientific notation, it is written as 6.6709897 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 66669840 positive integers (up to 66709897) that are relatively prime to 66709897.
66709897 has 4 divisors, whose sum is 66749956
The reverse of 66709897 is 79890766
Previous prime number is 1741
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
sixty-six million seven hundred nine thousand eight hundred ninety-seven
Scientific notation
6.6709897 × 10^7
Engineering notation
6.6709897 × 10^6
Prime Factorization
1741 × 38317
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66709897
Product of the distinct prime numbers
The prime factorization of 66709897 is 1741 × 38317.
Since it has a total of 2 prime factors.
2 , 6 , 12 , 87 , 363 , 442 , 2656 , 7935 , 20970 , 8041 , 690575 , 617757 , 2169070 , 7558453 , 21228843 , 92715906 , 785008632 , 49184692 , 309973462 , 6355189808
n×2
133419794
n×3
200129691
n×4
266839588
n×5
333549485
n÷2
33354948.5
n÷3
22236632.333333
n÷3
16677474.25
n÷5
13341979.4
n2
4450210357750609
n3
2.9687307459388E+23
n4
1.9804372228231E+31
n5
1.3211476314949E+39
2 √n
8167.6126867035
3 √n
405.56775930695
4 √n
90.374845431146
5 √n
36.714536851789
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
-66709896
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 66709897 can be divided by 4 positive divisors.
The sum of these divisors (counting 66709897) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111110011110100110001001
3
Ternary
11122112012202221
4
Quaternary
3332132212021
5
Quinary
114034204042
6
Senary
10341454041
8
Octal
376364611
10
Decimal
66709897
12
Duodecimal
1a411321
16
Hexadecimal
3f9e989
20
Vigesimal
10gieeh
36
Base36
13ptop
md5
8baf6826d32ec1a244cdc0b8a964deb8
sha1
7eb033e3b82511cfc9485e106f13c23dfc9eb88d
sha256
71f9444c38884dea63947aedb605339478c1fbde8fb5faca8c960b9dbe3e1fad
sha512
e143241c153ccf599a681e0d0fe2373395733f10cc13314889045b852d28c8b26cd2b3119fb03840ed521966e3a3537806ba620939389d60090f6a040033980d
ripemd-160
6faa4875f605ec37346ac295b535d036f8232d5b
Diameter
133419794
Circumference
419150644.67386
Area
1.3980748166839E+16
Volume
1.2435390269236E+24
Surface area
5.5922992667354E+16
Circumference
419150644.67386
Perimeter
266839588
Area
4450210357750609
Diagonal
94342041.081912
Surface area
26701262146503654
Volume
2.9687307459388E+23
Space diagonal
115544930.97169
Perimeter
200129691
Area
1.9269976109983E+15
Altitude
57772465.485843
Surface area
1.9269976109983E+15
Volume
3.4986827366172E+22
Height
31447347.027304