80821986 is an even 8-digits composite number following 80821985
and preceding 80821987 . In scientific notation, it is written as 8.0821986 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 22467456 positive integers (up to 80821986) that are relatively prime to 80821986.
80821986 has 32 divisors, whose sum is 189732480
The reverse of 80821986 is 68912808
Previous prime number is 7
Is Prime? no Number parity even Number length 8 Sum of Digits 42 Digital Root 6
Name
eighty million eight hundred twenty-one thousand nine hundred eighty-six
Scientific notation
8.0821986 × 10^7
Engineering notation
8.0821986 × 10^6
Prime Factorization
2 × 3 × 37 × 7 × 52009
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
80821986 Product of the distinct prime numbers
The prime factorization of 80821986 is 2 × 3 × 37 × 7 × 52009.
Since it has a total of 5 prime factors.
6 , 2 , 67 , 79 , 546 , 547 , 8942 , 367 , 97654 , 71674 , 384203 , 814901 , 1263130 , 5938428 , 93337684 , 730922 , 114760515 , 210782310 , 1304304917 , 6315726174
n×2
161643972
n×3
242465958
n×4
323287944
n×5
404109930
n÷2
40410993
n÷3
26940662
n÷3
20205496.5
n÷5
16164397.2
n2
6532193420984196
n3
5.2794484522008E+23
n4
4.2669550889149E+31
n5
3.4486378445891E+39
2 √n8990.1048937151
3 √n432.35767488862
4 √n94.816163673263
5 √n38.15099803068
1 , 2 , 3 , 6 , 7 , 14 , 21 , 37 , 42 , 74 , 111 , 222 , 259 , 518 , 777 , 1554 , 52009 , 104018 , 156027 , 312054 , 364063 , 728126 , 1092189 , 1924333 , 2184378 , 3848666 , 5772999 , 11545998 , 13470331 , 26940662 , 40410993 , 80821986
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
-80821985 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 80821986 can be divided by 32 positive divisors.
The sum of these divisors (counting 80821986) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110100010011111011100010
3
Ternary
12122002011220220
4
Quaternary
10310103323202
5
Quinary
131142300421
6
Senary
12004143510
8
Octal
464237342
10
Decimal
80821986
12
Duodecimal
23097b96
16
Hexadecimal
4d13ee2
20
Vigesimal
1552ej6
36
Base36
1c4an6
md5
9398f8940f3432122a9d9501ad19c042
sha1
c1b83cfc66c7442c68f147ee718c52db5039e49d
sha256
ee4fc2d49fbe460b0801937f73eb4294c5843b1057c96f977d01c95eca70c082
sha512
d0a91f2129fd85afc79c977fc06238674861d8e66f259d6c9d39a696d2f272eb984dd0d0f002853e90a4df2ee82c829780f698c351deec805d104b8603bb0b1b
ripemd-160
1f7f69fde2747dfda8ef4b7d37ee2a7d4a9cd2f1
Diameter
161643972
Circumference
507819514.93227
Area
2.0521490863192E+16
Volume
2.2114501963253E+24
Surface area
8.2085963452766E+16
Circumference
507819514.93227
Perimeter
323287944
Area
6532193420984196
Diagonal
114299548.73913
Surface area
39193160525905176
Volume
5.2794484522008E+23
Space diagonal
139987786.12062
Perimeter
242465958
Area
2.8285227225029E+15
Altitude
69993893.06031
Surface area
2.8285227225029E+15
Volume
6.2218896691266E+22
Height
38099849.579709