80996891 is an odd 8-digits composite number following 80996890
and preceding 80996892 . In scientific notation, it is written as 8.0996891 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 75931648 positive integers (up to 80996891) that are relatively prime to 80996891.
80996891 has 8 divisors, whose sum is 86099760
The reverse of 80996891 is 19869908
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighty million nine hundred ninety-six thousand eight hundred ninety-one
Scientific notation
8.0996891 × 10^7
Engineering notation
8.0996891 × 10^6
Prime Factorization
17 × 257 × 18539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80996891
Product of the distinct prime numbers
The prime factorization of 80996891 is 17 × 257 × 18539.
Since it has a total of 3 prime factors.
2 , 5 , 36 , 3 , 982 , 306 , 4491 , 4308 , 90083 , 64652 , 20329 , 80639 , 7534812 , 6650921 , 11406064 , 31496818 , 194544611 , 431951100 , 9318208842 , 1861946593
n×2
161993782
n×3
242990673
n×4
323987564
n×5
404984455
n÷2
40498445.5
n÷3
26998963.666667
n÷3
20249222.75
n÷5
16199378.2
n2
6560496351665881
n3
5.3137980790178E+23
n4
4.3040112380221E+31
n5
3.4861152910885E+39
2 √n
8999.8272761204
3 √n
432.66933527582
4 √n
94.867419465907
5 √n
38.167496095001
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
-80996890
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 80996891 can be divided by 8 positive divisors.
The sum of these divisors (counting 80996891) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100111110101000011011
3
Ternary
12122102001211212
4
Quaternary
10310332220123
5
Quinary
131213400031
6
Senary
12012013335
8
Octal
464765033
10
Decimal
80996891
12
Duodecimal
2316124b
16
Hexadecimal
4d3ea1b
20
Vigesimal
1564c4b
36
Base36
1c81ln
md5
d55b60c83f91226d77e36c177cd8fff3
sha1
5efd5f598fa369d36fa2c90058e86507ed95f161
sha256
38a94095157f8b276d7beb2b19c35236a7fa6f3c825460cb8a5da0cf0a01191b
sha512
ad5ed9079a8e50ea0891a6cab768e5863a341bf5a85b934cc788a0a596bd974f5826b4d395311b9628d7332a2ea3fa38bf45d914dd1174953332f4d2dbb0d74d
ripemd-160
e68c47bf11d59c7133016e535c63a9c927ca2262
Diameter
161993782
Circumference
508918475.45843
Area
2.0610407142296E+16
Volume
2.2258385343602E+24
Surface area
8.2441628569185E+16
Circumference
508918475.45843
Perimeter
323987564
Area
6560496351665881
Diagonal
114546901.76226
Surface area
39362978109995286
Volume
5.3137980790178E+23
Space diagonal
140290730.46712
Perimeter
242990673
Area
2.8407782509889E+15
Altitude
70145365.233559
Surface area
2.8407782509889E+15
Volume
6.2623710925492E+22
Height
38182300.587418