80711985 is an odd 8-digits composite number following 80711984
and preceding 80711986 . In scientific notation, it is written as 8.0711985 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 40849920 positive integers (up to 80711985) that are relatively prime to 80711985.
80711985 has 32 divisors, whose sum is 135902592
The reverse of 80711985 is 58911708
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty million seven hundred eleven thousand nine hundred eighty-five
Scientific notation
8.0711985 × 10^7
Engineering notation
8.0711985 × 10^6
Prime Factorization
3 × 5 × 41 × 37 × 3547
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
80711985
Product of the distinct prime numbers
The prime factorization of 80711985 is 3 × 5 × 41 × 37 × 3547.
Since it has a total of 5 prime factors.
10 , 2 , 45 , 86 , 140 , 962 , 8621 , 1830 , 2868 , 98888 , 336 , 538251 , 3180038 , 4942265 , 49632255 , 31405081 , 223554657 , 659027724 , 6191282980 , 2891902916
n×2
161423970
n×3
242135955
n×4
322847940
n×5
403559925
n÷2
40355992.5
n÷3
26903995
n÷3
20177996.25
n÷5
16142397
n2
6514424522640225
n3
5.2579213435497E+23
n4
4.2437726861176E+31
n5
3.4252331738534E+39
2 √n
8983.9849176187
3 √n
432.16143550702
4 √n
94.783885326667
5 √n
38.140607455758
1 , 3 , 5 , 15 , 37 , 41 , 111 , 123 , 185 , 205 , 555 , 615 , 1517 , 3547 , 4551 , 7585 , 10641 , 17735 , 22755 , 53205 , 131239 , 145427 , 393717 , 436281 , 656195 , 727135 , 1968585 , 2181405 , 5380799 , 16142397 , 26903995 , 80711985
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80711984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80711985 can be divided by 32 positive divisors.
The sum of these divisors (counting 80711985) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110011111001000100110001
3
Ternary
12121212121000210
4
Quaternary
10303321010301
5
Quinary
131130240420
6
Senary
12001534333
8
Octal
463710461
10
Decimal
80711985
12
Duodecimal
230443a9
16
Hexadecimal
4cf9131
20
Vigesimal
1548jj5
36
Base36
1c1xrl
md5
43ea7117cb149a0e8c569ebab0ccb5db
sha1
3c1feadbb32f1337fc12e17db52b9fe28ef21b4f
sha256
e13ae8711bf956ecc83a713e5fc304bea870e6e7dda166c8419ad84481beefc4
sha512
41a0d5669079e2ddb79ee730175cc9401d1a3bc0698b66f372dc5cfb72faa0818fa4b41db04b086bcfa39ee0e2a31a621e8849de0521ca6ea8b88b7845ddcf94
ripemd-160
87981f1d76f9ee0212964970fbd2076a9af80d77
Diameter
161423970
Circumference
507128358.2653
Area
2.0465668222692E+16
Volume
2.2024329421398E+24
Surface area
8.1862672890767E+16
Circumference
507128358.2653
Perimeter
322847940
Area
6514424522640225
Diagonal
114143983.83305
Surface area
39086547135841350
Volume
5.2579213435497E+23
Space diagonal
139797258.79974
Perimeter
242135955
Area
2.8208285638214E+15
Altitude
69898629.399869
Surface area
2.8208285638214E+15
Volume
6.1965197282825E+22
Height
38047994.611018