80909969 is an odd 8-digits composite number following 80909968
and preceding 80909970 . In scientific notation, it is written as 8.0909969 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 66707280 positive integers (up to 80909969) that are relatively prime to 80909969.
80909969 has 16 divisors, whose sum is 96030720
The reverse of 80909969 is 96990908
Previous prime number is 2083
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighty million nine hundred nine thousand nine hundred sixty-nine
Scientific notation
8.0909969 × 10^7
Engineering notation
8.0909969 × 10^6
Prime Factorization
7 × 31 × 2083 × 179
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80909969
Product of the distinct prime numbers
The prime factorization of 80909969 is 7 × 31 × 2083 × 179.
Since it has a total of 4 prime factors.
7 , 8 , 74 , 75 , 747 , 449 , 4884 , 9822 , 8155 , 2896 , 737159 , 576001 , 4707111 , 3261472 , 38798008 , 81907498 , 465623916 , 485176934 , 2889057227 , 6613119087
n×2
161819938
n×3
242729907
n×4
323639876
n×5
404549845
n÷2
40454984.5
n÷3
26969989.666667
n÷3
20227492.25
n÷5
16181993.8
n2
6546423083580961
n3
5.2967088875342E+23
n4
4.2855655189242E+31
n5
3.4674497328362E+39
2 √n
8994.996887159
3 √n
432.51450651333
4 √n
94.841957419483
5 √n
38.159300669013
1 , 7 , 31 , 179 , 217 , 1253 , 2083 , 5549 , 14581 , 38843 , 64573 , 372857 , 452011 , 2609999 , 11558567 , 80909969
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
-80909968
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 80909969 can be divided by 16 positive divisors.
The sum of these divisors (counting 80909969) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100101001011010010001
3
Ternary
12122020122121112
4
Quaternary
10310221122101
5
Quinary
131203104334
6
Senary
12010103105
8
Octal
464513221
10
Decimal
80909969
12
Duodecimal
2311aa95
16
Hexadecimal
4d29691
20
Vigesimal
155dei9
36
Base36
1c66j5
md5
519a070fe3d27cae3ce4c9e90d70180d
sha1
f19d7d02ad1816af9c0cfb889b1092058777613d
sha256
2f5efcc3e44a5f9f7bdaa3ceeb7108ecb06fef0dd9dd8358b8e9505195598e0e
sha512
e71eeae4dfe13acf98c1a7b2b8e81c4b64dbeff6bb71e8bddb431cebb03e02a2742b995fa3220e61c67d6317bfb637d251bef17358a9f6838179f99f257c0e8a
ripemd-160
4aa840a7001ead47853caa0cd8b7da1d6c498216
Diameter
161819938
Circumference
508372328.42516
Area
2.0566194666669E+16
Volume
2.2186802305708E+24
Surface area
8.2264778666674E+16
Circumference
508372328.42516
Perimeter
323639876
Area
6546423083580961
Diagonal
114423975.49099
Surface area
39278538501485766
Volume
5.2967088875342E+23
Space diagonal
140140177.14682
Perimeter
242729907
Area
2.834684347151E+15
Altitude
70070088.573411
Surface area
2.834684347151E+15
Volume
6.2422312872441E+22
Height
38141325.163662