66887589 is an odd 8-digits composite number following 66887588
and preceding 66887590 . In scientific notation, it is written as 6.6887589 × 10^7.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 44557056 positive integers (up to 66887589) that are relatively prime to 66887589.
66887589 has 8 divisors, whose sum is 89252800
The reverse of 66887589 is 98578866
Previous prime number is 1399
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
sixty-six million eight hundred eighty-seven thousand five hundred eighty-nine
Scientific notation
6.6887589 × 10^7
Engineering notation
6.6887589 × 10^6
Prime Factorization
3 × 1399 × 15937
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66887589
Product of the distinct prime numbers
The prime factorization of 66887589 is 3 × 1399 × 15937.
Since it has a total of 3 prime factors.
4 , 1 , 27 , 64 , 391 , 45 , 5040 , 9105 , 44201 , 1504 , 386418 , 933690 , 9325947 , 2547811 , 23104617 , 19365539 , 879988335 , 115146873 , 7777907520 , 9696722054
n×2
133775178
n×3
200662767
n×4
267550356
n×5
334437945
n÷2
33443794.5
n÷3
22295863
n÷3
16721897.25
n÷5
13377517.8
n2
4473949562232921
n3
2.9925169952537E+23
n4
2.0016224685404E+31
n5
1.338837010089E+39
2 √n
8178.4832945969
3 √n
405.92753727917
4 √n
90.434967211786
5 √n
36.734075001071
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
-66887588
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 66887589 can be divided by 8 positive divisors.
The sum of these divisors (counting 66887589) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111001001111110100101
3
Ternary
11122212020112010
4
Quaternary
3333021332211
5
Quinary
114110400324
6
Senary
10345344433
8
Octal
377117645
10
Decimal
66887589
12
Duodecimal
1a498119
16
Hexadecimal
3fc9fa5
20
Vigesimal
10i0ij9
36
Base36
13tmsl
md5
6274cf3caafa22686e01d9f132b2fe8b
sha1
e3c8b731701ab8321f5865047f763bd99406f0d3
sha256
aef78dd6800786be2e4a9e49a8fdb3fbd0499c5a05c123295c70afc5a86801b8
sha512
e301a62c1189e477a8977e9530015e58f899f2ad11088e0d2a12a19450ea7ad5080deedf7148c0db103cdd57f3695be0e52a7ba3367a8f49b6bac7472b1f7fd1
ripemd-160
c979d67ee84f9f0be48d6c001e1aef1c9d5ef9f3
Diameter
133775178
Circumference
420267116.43747
Area
1.4055327077242E+16
Volume
1.2535025877375E+24
Surface area
5.6221308308969E+16
Circumference
420267116.43747
Perimeter
267550356
Area
4473949562232921
Diagonal
94593335.518237
Surface area
26843697373397526
Volume
2.9925169952537E+23
Space diagonal
115852702.54379
Perimeter
200662767
Area
1.937276988072E+15
Altitude
57926351.271893
Surface area
1.937276988072E+15
Volume
3.5267151002664E+22
Height
31531111.839412