66887657 is an odd 8-digits composite number following 66887656
and preceding 66887658 . In scientific notation, it is written as 6.6887657 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 60280704 positive integers (up to 66887657) that are relatively prime to 66887657.
66887657 has 16 divisors, whose sum is 73872000
The reverse of 66887657 is 75678866
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
sixty-six million eight hundred eighty-seven thousand six hundred fifty-seven
Scientific notation
6.6887657 × 10^7
Engineering notation
6.6887657 × 10^6
Prime Factorization
23 × 19 × 269 × 569
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66887657
Product of the distinct prime numbers
The prime factorization of 66887657 is 23 × 19 × 269 × 569.
Since it has a total of 4 prime factors.
8 , 2 , 85 , 13 , 2 , 506 , 4005 , 150 , 88624 , 83919 , 949449 , 439780 , 8201046 , 3817976 , 25645559 , 56479577 , 197558104 , 635309758 , 4017040332 , 9467462474
n×2
133775314
n×3
200662971
n×4
267550628
n×5
334438285
n÷2
33443828.5
n÷3
22295885.666667
n÷3
16721914.25
n÷5
13377531.4
n2
4473958658949649
n3
2.99252612212E+23
n4
2.0016306081991E+31
n5
1.3388438156192E+39
2 √n
8178.4874518458
3 √n
405.92767483864
4 √n
90.434990196527
5 √n
36.734082470068
1 , 19 , 23 , 269 , 437 , 569 , 5111 , 6187 , 10811 , 13087 , 117553 , 153061 , 248653 , 2908159 , 3520403 , 66887657
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66887656
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66887657 can be divided by 16 positive divisors.
The sum of these divisors (counting 66887657) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111001001111111101001
3
Ternary
11122212020121122
4
Quaternary
3333021333221
5
Quinary
114110401112
6
Senary
10345345025
8
Octal
377117751
10
Decimal
66887657
12
Duodecimal
1a498175
16
Hexadecimal
3fc9fe9
20
Vigesimal
10i0j2h
36
Base36
13tmuh
md5
d0ffd402add879fc1dc7aaae284922ac
sha1
67c0608562423cb5e72b515608469ab60f435a4a
sha256
73495758a6cbda401720272dd0c0081e24780d4a05e495740949788ed9b0d66b
sha512
f2bd5569badd58b79b3c5d31195eec9529e42396003988c0307e72f07f044468037733ba5b67da993fef2892f95b048f7944c987c243829d0c32042be80d73f6
ripemd-160
d4dc66c4c1c5e140a34662f6162be6269cad40ab
Diameter
133775314
Circumference
420267543.69407
Area
1.4055355655421E+16
Volume
1.2535064107904E+24
Surface area
5.6221422621683E+16
Circumference
420267543.69407
Perimeter
267550628
Area
4473958658949649
Diagonal
94593431.68476
Surface area
26843751953697894
Volume
2.99252612212E+23
Space diagonal
115852820.32324
Perimeter
200662971
Area
1.9372809270659E+15
Altitude
57926410.16162
Surface area
1.9372809270659E+15
Volume
3.5267258563816E+22
Height
31531143.89492