80821870 is an even 8-digits composite number following 80821869
and preceding 80821871 . In scientific notation, it is written as 8.0821870 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 32305824 positive integers (up to 80821870) that are relatively prime to 80821870.
80821870 has 16 divisors, whose sum is 145582560
The reverse of 80821870 is 07812808
Previous prime number is 2503
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty million eight hundred twenty-one thousand eight hundred seventy
Scientific notation
8.0821870 × 10^7
Engineering notation
8.0821870 × 10^6
Prime Factorization
2 × 5 × 2503 × 3229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80821870
Product of the distinct prime numbers
The prime factorization of 80821870 is 2 × 5 × 2503 × 3229.
Since it has a total of 4 prime factors.
3 , 1 , 35 , 25 , 95 , 360 , 8511 , 9865 , 96666 , 70210 , 403028 , 523829 , 5134594 , 5252604 , 82183945 , 31533328 , 998472239 , 952742277 , 9819721596 , 6943964292
n×2
161643740
n×3
242465610
n×4
323287480
n×5
404109350
n÷2
40410935
n÷3
26940623.333333
n÷3
20205467.5
n÷5
16164374
n2
6532174670296900
n3
5.2794257202003E+23
n4
4.2669305923268E+31
n5
3.4486130963206E+39
2 √n
8990.0984421751
3 √n
432.35746804097
4 √n
94.816129651949
5 √n
38.150987079407
1 , 2 , 5 , 10 , 2503 , 3229 , 5006 , 6458 , 12515 , 16145 , 25030 , 32290 , 8082187 , 16164374 , 40410935 , 80821870
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80821869
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80821870 can be divided by 16 positive divisors.
The sum of these divisors (counting 80821870) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100010011111001101110
3
Ternary
12122002011202121
4
Quaternary
10310103321232
5
Quinary
131142244440
6
Senary
12004143154
8
Octal
464237156
10
Decimal
80821870
12
Duodecimal
23097aba
16
Hexadecimal
4d13e6e
20
Vigesimal
1552eda
36
Base36
1c4ajy
md5
66e727503e73646a5fe38cb918d697cf
sha1
40af455b8df09c18bed5cf74c44aa13387706283
sha256
64a09e338d70a0eecd1d99bda5e7b5a7237cd0ffdbdcf34db922f99ca9297830
sha512
f49179998f23245ee0deeb49ccbb8d2123228d75ce34c8a14426aacffc75c3b14c710982b5c42d810d2a97e61e146f8d4468f62d12875c89432134e1a2ab16a7
ripemd-160
c0ea898f8650ffb0c65a1cd2ae810e6b8c4b2a1c
Diameter
161643740
Circumference
507818786.08278
Area
2.052143195617E+16
Volume
2.2114406743672E+24
Surface area
8.208572782468E+16
Circumference
507818786.08278
Perimeter
323287480
Area
6532174670296900
Diagonal
114299384.69036
Surface area
39193048021781400
Volume
5.2794257202003E+23
Space diagonal
139987585.20273
Perimeter
242465610
Area
2.8285146032172E+15
Altitude
69993792.601363
Surface area
2.8285146032172E+15
Volume
6.2218628792072E+22
Height
38099794.896785