80978021 is an odd 8-digits composite number following 80978020
and preceding 80978022 . In scientific notation, it is written as 8.0978021 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 76143808 positive integers (up to 80978021) that are relatively prime to 80978021.
80978021 has 8 divisors, whose sum is 85821120
The reverse of 80978021 is 12087908
Previous prime number is 1847
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty million nine hundred seventy-eight thousand twenty-one
Scientific notation
8.0978021 × 10^7
Engineering notation
8.0978021 × 10^6
Prime Factorization
17 × 1847 × 2579
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80978021
Product of the distinct prime numbers
The prime factorization of 80978021 is 17 × 1847 × 2579.
Since it has a total of 3 prime factors.
4 , 6 , 73 , 6 , 882 , 152 , 5507 , 2500 , 68584 , 70558 , 471135 , 39869 , 4197572 , 3013695 , 89062821 , 29700163 , 617539414 , 669853208 , 7511170540 , 1560978928
n×2
161956042
n×3
242934063
n×4
323912084
n×5
404890105
n÷2
40489010.5
n÷3
26992673.666667
n÷3
20244505.25
n÷5
16195604.2
n2
6557439885076441
n3
5.3100850471996E+23
n4
4.3000017846391E+31
n5
3.4820563481655E+39
2 √n
8998.7788616012
3 √n
432.6357327331
4 √n
94.861893622261
5 √n
38.165717538397
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
-80978020
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 80978021 can be divided by 8 positive divisors.
The sum of these divisors (counting 80978021) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100111010000001100101
3
Ternary
12122101002221222
4
Quaternary
10310322001211
5
Quinary
131212244041
6
Senary
12011350125
8
Octal
464720145
10
Decimal
80978021
12
Duodecimal
23152345
16
Hexadecimal
4d3a065
20
Vigesimal
1562511
36
Base36
1c7n1h
md5
2453811ac91382ce189e30cf96652068
sha1
adc000b6c8930cdb64608583695ebc958472ce8e
sha256
4e080855b681333cd2853747c8b8f4bf4035083e08761b5ae3dc721a4afbd8b3
sha512
269fcc37e9d83ce834d66a51a4006a768b27aac6eb4d0f3599b0c99661704adc201f77f7cac67f583c05bcab0e49eb3c5c057a58029f97819ad2814f7472ad4b
ripemd-160
066f3ed70d105912bebcd9a1bf9046adfe2d435e
Diameter
161956042
Circumference
508799911.75168
Area
2.0600804969313E+16
Volume
2.2242832232292E+24
Surface area
8.2403219877251E+16
Circumference
508799911.75168
Perimeter
323912084
Area
6557439885076441
Diagonal
114520215.55233
Surface area
39344639310458646
Volume
5.3100850471996E+23
Space diagonal
140258046.66838
Perimeter
242934063
Area
2.8394547621328E+15
Altitude
70129023.33419
Surface area
2.8394547621328E+15
Volume
6.2579952425868E+22
Height
38173405.184111