66887587 is an odd 8-digits composite number following 66887586
and preceding 66887588 . In scientific notation, it is written as 6.6887587 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 61679232 positive integers (up to 66887587) that are relatively prime to 66887587.
66887587 has 8 divisors, whose sum is 72106496
The reverse of 66887587 is 78578866
Previous prime number is 1297
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
sixty-six million eight hundred eighty-seven thousand five hundred eighty-seven
Scientific notation
6.6887587 × 10^7
Engineering notation
6.6887587 × 10^6
Prime Factorization
13 × 1297 × 3967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66887587
Product of the distinct prime numbers
The prime factorization of 66887587 is 13 × 1297 × 3967.
Since it has a total of 3 prime factors.
2 , 3 , 35 , 38 , 884 , 134 , 2647 , 9305 , 74141 , 27283 , 23674 , 870397 , 7031521 , 5724861 , 74713742 , 3948140 , 525090348 , 638512348 , 3146881377 , 8856108055
n×2
133775174
n×3
200662761
n×4
267550348
n×5
334437935
n÷2
33443793.5
n÷3
22295862.333333
n÷3
16721896.75
n÷5
13377517.4
n2
4473949294682569
n3
2.9925167268167E+23
n4
2.0016222291391E+31
n5
1.3388368099267E+39
2 √n
8178.4831723248
3 √n
405.92753323331
4 √n
90.434966535764
5 √n
36.734074781394
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
-66887586
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 66887587 can be divided by 8 positive divisors.
The sum of these divisors (counting 66887587) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111001001111110100011
3
Ternary
11122212020112001
4
Quaternary
3333021332203
5
Quinary
114110400322
6
Senary
10345344431
8
Octal
377117643
10
Decimal
66887587
12
Duodecimal
1a498117
16
Hexadecimal
3fc9fa3
20
Vigesimal
10i0ij7
36
Base36
13tmsj
md5
3671bd647d916b2cc179adef98eab9e4
sha1
0b5580b1a791991f7b28a009685da5df13ac04e9
sha256
e1344c9c65ae4e14a95da544e66573e3d8f85e57b5b4539ba36b3de592b52172
sha512
6b0d209d45403884204f84f3263527f8efd14b9db9e6656742a595be44d0c33fcdf1610e25225ad61271b251753a96b0cec7bc18a1bc6217cba9bbc8b226d3d2
ripemd-160
7f637b5ba6e5e0c295572c70ce5a18a7ea833b10
Diameter
133775174
Circumference
420267103.8711
Area
1.4055326236708E+16
Volume
1.2535024752949E+24
Surface area
5.6221304946832E+16
Circumference
420267103.8711
Perimeter
267550348
Area
4473949294682569
Diagonal
94593332.68981
Surface area
26843695768095414
Volume
2.9925167268167E+23
Space diagonal
115852699.07968
Perimeter
200662761
Area
1.9372768722193E+15
Altitude
57926349.539842
Surface area
1.9372768722193E+15
Volume
3.5267147839104E+22
Height
31531110.896603