80821257 is an odd 8-digits composite number following 80821256
and preceding 80821258 . In scientific notation, it is written as 8.0821257 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 48883520 positive integers (up to 80821257) that are relatively prime to 80821257.
80821257 has 8 divisors, whose sum is 83438856
The reverse of 80821257 is 75212808
Previous prime number is 557
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty million eight hundred twenty-one thousand two hundred fifty-seven
Scientific notation
8.0821257 × 10^7
Engineering notation
8.0821257 × 10^6
Prime Factorization
33 × 557 × 4397
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80821257
Product of the distinct prime numbers
The prime factorization of 80821257 is 33 × 557 × 4397.
Since it has a total of 3 prime factors.
3 , 4 , 86 , 60 , 746 , 108 , 4580 , 3650 , 99 , 63029 , 761966 , 523342 , 6317921 , 6922193 , 38231982 , 44898731 , 545520980 , 962602332 , 624727075 , 7281766105
n×2
161642514
n×3
242463771
n×4
323285028
n×5
404106285
n÷2
40410628.5
n÷3
26940419
n÷3
20205314.25
n÷5
16164251.4
n2
6532075583060049
n3
5.2793055944192E+23
n4
4.2668011422809E+31
n5
3.4484823168818E+39
2 √n
8990.0643490467
3 √n
432.35637495483
4 √n
94.815949866289
5 √n
38.150929207383
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80821256
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80821257 can be divided by 8 positive divisors.
The sum of these divisors (counting 80821257) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100010011110000001001
3
Ternary
12122002010220220
4
Quaternary
10310103300021
5
Quinary
131142240012
6
Senary
12004140253
8
Octal
464236011
10
Decimal
80821257
12
Duodecimal
23097689
16
Hexadecimal
4d13c09
20
Vigesimal
1552d2h
36
Base36
1c4a2x
md5
29eb668b3c11e5ed79f24a63debe69b7
sha1
c2673ac93d8f3e65b54e3ec9d39cb14cf280c9ec
sha256
af384615dd255637cd25b5ef138df719e77fc5cfeb840180c720e2f23484ac2e
sha512
fe33d4d41bf1df2b7a9ae68a9bdf7bfe619f4d508d355a16ab86f52ac7bb7ed12620d9917bf5d5dba035ea25f852ecbf4b4cf58695f4ce761896ce845a8df7fc
ripemd-160
78aa26a3137817acee84d9f5eeabd88cd963b3db
Diameter
161642514
Circumference
507814934.49019
Area
2.0521120664435E+16
Volume
2.2113903561977E+24
Surface area
8.2084482657739E+16
Circumference
507814934.49019
Perimeter
323285028
Area
6532075583060049
Diagonal
114298517.77744
Surface area
39192453498360294
Volume
5.2793055944192E+23
Space diagonal
139986523.45558
Perimeter
242463771
Area
2.828471697185E+15
Altitude
69993261.727791
Surface area
2.828471697185E+15
Volume
6.2217213096165E+22
Height
38099505.925814