80821231 is an odd 8-digits composite number following 80821230
and preceding 80821232 . In scientific notation, it is written as 8.0821231 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 73926720 positive integers (up to 80821231) that are relatively prime to 80821231.
80821231 has 4 divisors, whose sum is 80968464
The reverse of 80821231 is 13212808
Previous prime number is 551
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighty million eight hundred twenty-one thousand two hundred thirty-one
Scientific notation
8.0821231 × 10^7
Engineering notation
8.0821231 × 10^6
Prime Factorization
551 × 146681
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80821231
Product of the distinct prime numbers
The prime factorization of 80821231 is 551 × 146681.
Since it has a total of 2 prime factors.
2 , 9 , 51 , 19 , 820 , 765 , 638 , 9508 , 20222 , 55986 , 883792 , 86430 , 9654229 , 8008418 , 38983050 , 18475210 , 363423630 , 410368844 , 3545576355 , 7426199730
n×2
161642462
n×3
242463693
n×4
323284924
n×5
404106155
n÷2
40410615.5
n÷3
26940410.333333
n÷3
20205307.75
n÷5
16164246.2
n2
6532071380355361
n3
5.2793004994019E+23
n4
4.2667956518058E+31
n5
3.4484767700439E+39
2 √n
8990.0629030057
3 √n
432.35632859216
4 √n
94.815942240774
5 √n
38.15092675277
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
-80821230
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 80821231 can be divided by 4 positive divisors.
The sum of these divisors (counting 80821231) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110100010011101111101111
3
Ternary
12122002010212221
4
Quaternary
10310103233233
5
Quinary
131142234411
6
Senary
12004140211
8
Octal
464235757
10
Decimal
80821231
12
Duodecimal
23097667
16
Hexadecimal
4d13bef
20
Vigesimal
1552d1b
36
Base36
1c4a27
md5
a6b420908312823db7a77a7a1ecb90a9
sha1
f3ee6a0a13ca65ee1bf126075f45349ff9aa9246
sha256
1bc92da86c9ea917d82f769d8daa25774df6d2baf894582364337a023c45fa42
sha512
1ea1620e7ac882d9ff62ede08dc2207c730f2d8b2407688e0ae1fd5640dd08e647cc237751dabfcf9e8ecf05dcba0b8266a2a2e8b8de0285a5bf194a68837b3d
ripemd-160
28b4398bd5fec8942c49b50ecf344dca4f465720
Diameter
161642462
Circumference
507814771.12737
Area
2.0521107461249E+16
Volume
2.2113882220019E+24
Surface area
8.2084429844994E+16
Circumference
507814771.12737
Perimeter
323284924
Area
6532071380355361
Diagonal
114298481.00789
Surface area
39192428282132166
Volume
5.2793004994019E+23
Space diagonal
139986478.42226
Perimeter
242463693
Area
2.8284698773605E+15
Altitude
69993239.21113
Surface area
2.8284698773605E+15
Volume
6.221715305081E+22
Height
38099493.669296