80121909 is an odd 8-digits composite number following 80121908
and preceding 80121910 . In scientific notation, it is written as 8.0121909 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 44543520 positive integers (up to 80121909) that are relatively prime to 80121909.
80121909 has 24 divisors, whose sum is 127638048
The reverse of 80121909 is 90912108
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty million one hundred twenty-one thousand nine hundred nine
Scientific notation
8.0121909 × 10^7
Engineering notation
8.0121909 × 10^6
Prime Factorization
7 × 37 × 3 × 7 × 14731
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
11445987
Product of the distinct prime numbers
The prime factorization of 80121909 is 7 × 37 × 3 × 7 × 14731.
Since it has a total of 5 prime factors.
10 , 7 , 90 , 50 , 414 , 763 , 9945 , 8914 , 4337 , 1404 , 745418 , 940927 , 5720140 , 2202487 , 52602473 , 31306758 , 164371576 , 670328500 , 5052201276 , 5324584083
n×2
160243818
n×3
240365727
n×4
320487636
n×5
400609545
n÷2
40060954.5
n÷3
26707303
n÷3
20030477.25
n÷5
16024381.8
n2
6419520301804281
n3
5.1434422144482E+23
n4
4.1210240905277E+31
n5
3.3018431716807E+39
2 √n
8951.0842360018
3 √n
431.10569773958
4 √n
94.610169833913
5 √n
38.084675335245
1 , 3 , 7 , 21 , 37 , 49 , 111 , 147 , 259 , 777 , 1813 , 5439 , 14731 , 44193 , 103117 , 309351 , 545047 , 721819 , 1635141 , 2165457 , 3815329 , 11445987 , 26707303 , 80121909
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80121908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80121909 can be divided by 24 positive divisors.
The sum of these divisors (counting 80121909) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110001101001000000110101
3
Ternary
12120202121121010
4
Quaternary
10301221000311
5
Quinary
131002400114
6
Senary
11541142433
8
Octal
461510065
10
Decimal
80121909
12
Duodecimal
229baa19
16
Hexadecimal
4c69035
20
Vigesimal
150f4f9
36
Base36
1bpagl
md5
e5675efd46d0e1749c12d59846856742
sha1
c58c0148fcfe7e72d300901e07058fddba2df303
sha256
5c0e504dbbcc75471bc187a17cacc36fca6d191f0624175365c9f154dca925fa
sha512
76e51702ad59282f50af31d4ec31251c3b2ebcb16e196735f064720d4b51fba2ca753ac938706ba0f38977b9274288c2444c8526da6dc01ce0450141ceda3bd1
ripemd-160
4e7d864b29fed382f96171951183e6038f9d5789
Diameter
160243818
Circumference
503420801.41198
Area
2.0167517819719E+16
Volume
2.1544800366765E+24
Surface area
8.0670071278875E+16
Circumference
503420801.41198
Perimeter
320487636
Area
6419520301804281
Diagonal
113309490.35102
Surface area
38517121810825686
Volume
5.1434422144482E+23
Space diagonal
138775217.18741
Perimeter
240365727
Area
2.7797338307362E+15
Altitude
69387608.593705
Surface area
2.7797338307362E+15
Volume
6.0616047807957E+22
Height
37769830.117008