80821857 is an odd 8-digits composite number following 80821856
and preceding 80821858 . In scientific notation, it is written as 8.0821857 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 53680400 positive integers (up to 80821857) that are relatively prime to 80821857.
80821857 has 8 divisors, whose sum is 108164160
The reverse of 80821857 is 75812808
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty million eight hundred twenty-one thousand eight hundred fifty-seven
Scientific notation
8.0821857 × 10^7
Engineering notation
8.0821857 × 10^6
Prime Factorization
3 × 269 × 100151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80821857
Product of the distinct prime numbers
The prime factorization of 80821857 is 3 × 269 × 100151.
Since it has a total of 3 prime factors.
1 , 8 , 99 , 27 , 956 , 110 , 4194 , 8725 , 97217 , 75345 , 92012 , 705538 , 5147208 , 9992269 , 77053600 , 40048096 , 685244263 , 146823354 , 870855461 , 8956534381
n×2
161643714
n×3
242465571
n×4
323287428
n×5
404109285
n÷2
40410928.5
n÷3
26940619
n÷3
20205464.25
n÷5
16164371.4
n2
6532172568928449
n3
5.2794231726526E+23
n4
4.2669278470261E+31
n5
3.4486103228166E+39
2 √n
8990.0977191575
3 √n
432.35744485976
4 √n
94.816125839213
5 √n
38.150985852108
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
-80821856
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 80821857 can be divided by 8 positive divisors.
The sum of these divisors (counting 80821857) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100010011111001100001
3
Ternary
12122002011202010
4
Quaternary
10310103321201
5
Quinary
131142244412
6
Senary
12004143133
8
Octal
464237141
10
Decimal
80821857
12
Duodecimal
23097aa9
16
Hexadecimal
4d13e61
20
Vigesimal
1552ech
36
Base36
1c4ajl
md5
0519b69cd2f3bb22a9b52601243cc633
sha1
47b8501fcca07ddb507a04744f9a539fdf8e851c
sha256
689d5850ec78b9d2df3a106f6fdcd0301243a6f812ba860389b5394485997469
sha512
3dbb03e1f5f643c060d0be7d9a127be92f15d6fa0e2f1e2e3f194f07941bdd4f47b84b8f33fd330ecf3eafc12dccfe6e9b7ab47b29070b944ee593b04a911f30
ripemd-160
e2b89709efa0773ddb79bf4db86155b8e3298eef
Diameter
161643714
Circumference
507818704.40137
Area
2.0521425354526E+16
Volume
2.2114396072529E+24
Surface area
8.2085701418106E+16
Circumference
507818704.40137
Perimeter
323287428
Area
6532172568928449
Diagonal
114299366.30558
Surface area
39193035413570694
Volume
5.2794231726526E+23
Space diagonal
139987562.68607
Perimeter
242465571
Area
2.8285136932979E+15
Altitude
69993781.343033
Surface area
2.8285136932979E+15
Volume
6.2218598768934E+22
Height
38099788.768526