80821906 is an even 8-digits composite number following 80821905
and preceding 80821907 . In scientific notation, it is written as 8.0821906 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 35840800 positive integers (up to 80821906) that are relatively prime to 80821906.
80821906 has 16 divisors, whose sum is 135481248
The reverse of 80821906 is 60912808
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty million eight hundred twenty-one thousand nine hundred six
Scientific notation
8.0821906 × 10^7
Engineering notation
8.0821906 × 10^6
Prime Factorization
2 × 11 × 41 × 89603
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80821906
Product of the distinct prime numbers
The prime factorization of 80821906 is 2 × 11 × 41 × 89603.
Since it has a total of 4 prime factors.
8 , 1 , 58 , 41 , 912 , 634 , 8015 , 1396 , 9914 , 44796 , 633434 , 580401 , 9112169 , 832310 , 47331775 , 14885382 , 590604076 , 965577809 , 9287291693 , 4229053996
n×2
161643812
n×3
242465718
n×4
323287624
n×5
404109530
n÷2
40410953
n÷3
26940635.333333
n÷3
20205476.5
n÷5
16164381.2
n2
6532180489472836
n3
5.2794327749521E+23
n4
4.266938194705E+31
n5
3.4486207768025E+39
2 √n
8990.1004443777
3 √n
432.35753223509
4 √n
94.816140210292
5 √n
38.150990478079
1 , 2 , 11 , 22 , 41 , 82 , 451 , 902 , 89603 , 179206 , 985633 , 1971266 , 3673723 , 7347446 , 40410953 , 80821906
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
-80821905
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 80821906 can be divided by 16 positive divisors.
The sum of these divisors (counting 80821906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100010011111010010010
3
Ternary
12122002011210221
4
Quaternary
10310103322102
5
Quinary
131142300111
6
Senary
12004143254
8
Octal
464237222
10
Decimal
80821906
12
Duodecimal
23097b2a
16
Hexadecimal
4d13e92
20
Vigesimal
1552ef6
36
Base36
1c4aky
md5
3fe7d09d3239e2af87b7c4b4daef13a9
sha1
8ea48245bde7f29941a3d20f787737c7de66e5cc
sha256
0c6995ab2ad1dc7e43f2d474bcffccf9bf324c5d37248b80aebaad88ed75cf93
sha512
d380782990fa66943e4fda44864af5c71d7724c4d0b5936112bf31896658538e01dd68b0558bdd31cec5d68cea32b51edf293e7f1ea61f7490956de0334d7de5
ripemd-160
4c3bdd65a41ba070faecca46137da2507ab4f89b
Diameter
161643812
Circumference
507819012.27745
Area
2.052145023765E+16
Volume
2.2114436294547E+24
Surface area
8.2085800950602E+16
Circumference
507819012.27745
Perimeter
323287624
Area
6532180489472836
Diagonal
114299435.60204
Surface area
39193082936837016
Volume
5.2794327749521E+23
Space diagonal
139987647.55656
Perimeter
242465718
Area
2.8285171229943E+15
Altitude
69993823.778278
Surface area
2.8285171229943E+15
Volume
6.2218711933119E+22
Height
38099811.867348