80688889 is an odd 8-digits composite number following 80688888
and preceding 80688890 . In scientific notation, it is written as 8.0688889 × 10^7.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 80205556 positive integers (up to 80688889) that are relatively prime to 80688889.
80688889 has 4 divisors, whose sum is 81172224
The reverse of 80688889 is 98888608
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
eighty million six hundred eighty-eight thousand eight hundred eighty-nine
Scientific notation
8.0688889 × 10^7
Engineering notation
8.0688889 × 10^6
Prime Factorization
167 × 483167
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80688889
Product of the distinct prime numbers
The prime factorization of 80688889 is 167 × 483167.
Since it has a total of 2 prime factors.
10 , 3 , 96 , 99 , 660 , 871 , 3311 , 171 , 95536 , 79528 , 808816 , 709097 , 2488034 , 2695387 , 86657285 , 58656732 , 748793136 , 401578729 , 1695229677 , 1791698122
n×2
161377778
n×3
242066667
n×4
322755556
n×5
403444445
n÷2
40344444.5
n÷3
26896296.333333
n÷3
20172222.25
n÷5
16137777.8
n2
6510696808054321
n3
5.2534089205775E+23
n4
4.2389172926409E+31
n5
3.4203352690608E+39
2 √n
8982.6994272323
3 √n
432.12021010241
4 √n
94.777103918786
5 √n
38.138424393811
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
-80688888
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 80688889 can be divided by 4 positive divisors.
The sum of these divisors (counting 80688889) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110011110011011011111001
3
Ternary
12121211102100101
4
Quaternary
10303303123321
5
Quinary
131124021024
6
Senary
12001235401
8
Octal
463633371
10
Decimal
80688889
12
Duodecimal
23032b61
16
Hexadecimal
4cf36f9
20
Vigesimal
1546249
36
Base36
1c1fy1
md5
d25dbdb231a89dc6922839f9c6c60dbe
sha1
b2084cd40fe6a1a84a00a145a3973a8266fb096e
sha256
a4ef4a4c3392fdcaa527d6b0d6418b1bc264d78cee64d6c60bc37971063fff6e
sha512
623d13128610f7054ba5a08aa2c5a21136b7fd3135afff91dbfa5e4125e42916ffcdeff38e2721ad6c44de9c916185fd9ab1cdebba4fb427ea469639fb276b43
ripemd-160
ada582b5845b1344db2e3160d187b8e53b40d630
Diameter
161377778
Circumference
506983241.81744
Area
2.0453957261934E+16
Volume
2.2005427828252E+24
Surface area
8.1815829047736E+16
Circumference
506983241.81744
Perimeter
322755556
Area
6510696808054321
Diagonal
114111321.15662
Surface area
39064180848325926
Volume
5.2534089205775E+23
Space diagonal
139757255.35429
Perimeter
242066667
Area
2.8192144160566E+15
Altitude
69878627.677143
Surface area
2.8192144160566E+15
Volume
6.1912017868104E+22
Height
38037107.052206