80851985 is an odd 8-digits composite number following 80851984
and preceding 80851986 . In scientific notation, it is written as 8.0851985 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 63020736 positive integers (up to 80851985) that are relatively prime to 80851985.
80851985 has 16 divisors, whose sum is 99532800
The reverse of 80851985 is 58915808
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty million eight hundred fifty-one thousand nine hundred eighty-five
Scientific notation
8.0851985 × 10^7
Engineering notation
8.0851985 × 10^6
Prime Factorization
5 × 47 × 269 × 1279
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80851985
Product of the distinct prime numbers
The prime factorization of 80851985 is 5 × 47 × 269 × 1279.
Since it has a total of 4 prime factors.
10 , 8 , 28 , 88 , 759 , 472 , 7717 , 2418 , 98405 , 43971 , 806216 , 742745 , 7436694 , 6052579 , 88606488 , 22865905 , 507108352 , 316947777 , 7931910561 , 7866976984
n×2
161703970
n×3
242555955
n×4
323407940
n×5
404259925
n÷2
40425992.5
n÷3
26950661.666667
n÷3
20212996.25
n÷5
16170397
n2
6537043478440225
n3
5.285329412632E+23
n4
4.2732937439018E+31
n5
3.4550428168254E+39
2 √n
8991.773184417
3 √n
432.4111615454
4 √n
94.824960766757
5 √n
38.153829740125
1 , 5 , 47 , 235 , 269 , 1279 , 1345 , 6395 , 12643 , 60113 , 63215 , 300565 , 344051 , 1720255 , 16170397 , 80851985
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
-80851984
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 80851985 can be divided by 16 positive divisors.
The sum of these divisors (counting 80851985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100011011010000010001
3
Ternary
12122010201001222
4
Quaternary
10310123100101
5
Quinary
131144230420
6
Senary
12004534425
8
Octal
464332021
10
Decimal
80851985
12
Duodecimal
230b1415
16
Hexadecimal
4d1b411
20
Vigesimal
15569j5
36
Base36
1c4xsh
md5
8bc8c76d7f99e1f2346c9832f4e43aa9
sha1
ae546d83d5ea60d771c88081e0fa35803d22dd2b
sha256
7945871d49625c835c00b2b34f3e8a99e663c870b2f0a4702ba532e1ca6d95c5
sha512
0fb2895368b7e5f5fe63a601beb46b0702d45d74b4c7833abd4a900bdeb9e44d211067231abcd66c0cb9015179b35303c0952df16312d4e61f1dc7e337cc9eec
ripemd-160
588f940cd1459e6ed4d906148bded98a937d4d8c
Diameter
161703970
Circumference
508008004.2083
Area
2.0536727768065E+16
Volume
2.2139136072702E+24
Surface area
8.214691107226E+16
Circumference
508008004.2083
Perimeter
323407940
Area
6537043478440225
Diagonal
114341973.73179
Surface area
39222260870641350
Volume
5.285329412632E+23
Space diagonal
140039745.9128
Perimeter
242555955
Area
2.8306228589863E+15
Altitude
70019872.956398
Surface area
2.8306228589863E+15
Volume
6.2288204474613E+22
Height
38113991.243929