80121906 is an even 8-digits composite number following 80121905
and preceding 80121907 . In scientific notation, it is written as 8.0121906 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 26707284 positive integers (up to 80121906) that are relatively prime to 80121906.
80121906 has 8 divisors, whose sum is 124634160
The reverse of 80121906 is 60912108
Previous prime number is 27
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty million one hundred twenty-one thousand nine hundred six
Scientific notation
8.0121906 × 10^7
Engineering notation
8.0121906 × 10^6
Prime Factorization
2 × 27 × 1483739
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80121906
Product of the distinct prime numbers
The prime factorization of 80121906 is 2 × 27 × 1483739.
Since it has a total of 3 prime factors.
10 , 7 , 22 , 88 , 391 , 941 , 6860 , 7659 , 21855 , 44536 , 89389 , 266983 , 7106050 , 6300854 , 62411962 , 70059802 , 566461059 , 168662522 , 6129088465 , 3894977905
n×2
160243812
n×3
240365718
n×4
320487624
n×5
400609530
n÷2
40060953
n÷3
26707302
n÷3
20030476.5
n÷5
16024381.2
n2
6419519821072836
n3
5.1434416366913E+23
n4
4.1210234733147E+31
n5
3.3018425535271E+39
2 √n
8951.0840684243
3 √n
431.10569235896
4 √n
94.610168948292
5 √n
38.084675050045
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
-80121905
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 80121906 can be divided by 8 positive divisors.
The sum of these divisors (counting 80121906) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001101001000000110010
3
Ternary
12120202121121000
4
Quaternary
10301221000302
5
Quinary
131002400111
6
Senary
11541142430
8
Octal
461510062
10
Decimal
80121906
12
Duodecimal
229baa16
16
Hexadecimal
4c69032
20
Vigesimal
150f4f6
36
Base36
1bpagi
md5
5718e1dcdf4c1f47a3fafcf270f9234e
sha1
50e7b5dde3450619bcb9405847193026537c7346
sha256
3931e3599f1cc3831dbd02716b72ea322cb843589cd23f8f1ba2091c3a200e2a
sha512
f93e05f5ed9105d93f256faf1eeab9b9112c54b1c59a8d46921f5109083517f4856c4d8c8175b949938268dcae46fc00d10912c74729b40268d153ce70d61864
ripemd-160
80988de5b3585e733323b74dd90e8b30ef20bc0f
Diameter
160243812
Circumference
503420782.56242
Area
2.0167516309456E+16
Volume
2.1544797946663E+24
Surface area
8.0670065237826E+16
Circumference
503420782.56242
Perimeter
320487624
Area
6419519821072836
Diagonal
113309486.10838
Surface area
38517118926437016
Volume
5.1434416366913E+23
Space diagonal
138775211.99126
Perimeter
240365718
Area
2.7797336225734E+15
Altitude
69387605.995629
Surface area
2.7797336225734E+15
Volume
6.0616040999028E+22
Height
37769828.702794