80702991 is an odd 8-digits composite number following 80702990
and preceding 80702992 . In scientific notation, it is written as 8.0702991 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 53801988 positive integers (up to 80702991) that are relatively prime to 80702991.
80702991 has 4 divisors, whose sum is 89670000
The reverse of 80702991 is 19920708
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty million seven hundred two thousand nine hundred ninety-one
Scientific notation
8.0702991 × 10^7
Engineering notation
8.0702991 × 10^6
Prime Factorization
9 × 8966999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80702991
Product of the distinct prime numbers
The prime factorization of 80702991 is 9 × 8966999.
Since it has a total of 2 prime factors.
9 , 9 , 41 , 1 , 123 , 405 , 4296 , 440 , 59765 , 18132 , 936629 , 603012 , 5101651 , 9664518 , 57628859 , 75756636 , 520386513 , 98674368 , 5401189772 , 9144107043
n×2
161405982
n×3
242108973
n×4
322811964
n×5
403514955
n÷2
40351495.5
n÷3
26900997
n÷3
20175747.75
n÷5
16140598.2
n2
6512972756346081
n3
5.2561638173864E+23
n4
4.2418814124906E+31
n5
3.423325174553E+39
2 √n
8983.4843462879
3 √n
432.14538252417
4 √n
94.78124469687
5 √n
38.139757391385
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
-80702990
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 80702991 can be divided by 4 positive divisors.
The sum of these divisors (counting 80702991) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110011110110111000001111
3
Ternary
12121212010200200
4
Quaternary
10303312320033
5
Quinary
131124443431
6
Senary
12001424543
8
Octal
463667017
10
Decimal
80702991
12
Duodecimal
2303b153
16
Hexadecimal
4cf6e0f
20
Vigesimal
1547h9b
36
Base36
1c1qtr
md5
559912598d1bfd592971782c90d50739
sha1
f0e4eb1f1711d51011fcab78896f466a1638dc35
sha256
1f597b732da0cbb11252482faa074a9962b421ee2d66cf4863f1c30f025666fc
sha512
942ee2506d3600edf4e06af17c80c51b83d442e0227fa327655efe32f6f984c15d96a4b5b74ef41678b6013322e9339d2abc07fa13f5aed5f994067adedc2bb0
ripemd-160
441f8ef1ff4d29aecc5380f4549eb479b146df4c
Diameter
161405982
Circumference
507071847.29665
Area
2.0461107364367E+16
Volume
2.2016967513021E+24
Surface area
8.1844429457469E+16
Circumference
507071847.29665
Perimeter
322811964
Area
6512972756346081
Diagonal
114131264.39627
Surface area
39077836538076486
Volume
5.2561638173864E+23
Space diagonal
139781680.73477
Perimeter
242108973
Area
2.8201999305758E+15
Altitude
69890840.367387
Surface area
2.8201999305758E+15
Volume
6.1944484638355E+22
Height
38043754.798758