81920002 is an even 8-digits composite number following 81920001
and preceding 81920003 . In scientific notation, it is written as 8.1920002 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 40960000 positive integers (up to 81920002) that are relatively prime to 81920002.
81920002 has 4 divisors, whose sum is 122880006
The reverse of 81920002 is 20002918
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
eighty-one million nine hundred twenty thousand two
Scientific notation
8.1920002 × 10^7
Engineering notation
8.1920002 × 10^6
Prime Factorization
2 × 40960001
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81920002
Product of the distinct prime numbers
The prime factorization of 81920002 is 2 × 40960001.
Since it has a total of 2 prime factors.
1 , 4 , 100 , 26 , 954 , 78 , 8746 , 1204 , 51310 , 16385 , 152510 , 725670 , 868760 , 8270054 , 82440969 , 68442749 , 956822019 , 918290336 , 5089232904 , 8506520583
n×2
163840004
n×3
245760006
n×4
327680008
n×5
409600010
n÷2
40960001
n÷3
27306667.333333
n÷3
20480000.5
n÷5
16384000.4
n2
6710886727680004
n3
5.4975585415332E+23
n4
4.5036000671752E+31
n5
3.6893492651019E+39
2 √n
9050.9669096732
3 √n
434.30682218958
4 √n
95.136569780885
5 √n
38.254100178389
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81920001
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81920002 can be divided by 4 positive divisors.
The sum of these divisors (counting 81920002) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111000100000000000000010
3
Ternary
12201010222010011
4
Quaternary
10320200000002
5
Quinary
131432420002
6
Senary
12043455134
8
Octal
470400002
10
Decimal
81920002
12
Duodecimal
235274aa
16
Hexadecimal
4e20002
20
Vigesimal
15c0002
36
Base36
1crtvm
md5
aa1bfb652def78301b8438218328bae5
sha1
1b56fb1e5e9995042cb4485fdc488ed05f4b153a
sha256
2fc7f16cb652b728f8f80c46ee070b49c976e72b01cc4f55360985a3d453ff1b
sha512
c1385fee2307dc62ac2e262315572d3d9ed86e3abfc2be78ab0c1c8d330f2b1c5e0d1f6665be7f3cb7d8c6c1f71012786132856920350af4da391bc42519395f
ripemd-160
e3772a8a3c8b58cc09cb0ce1bdfd70e66c43b6a1
Diameter
163840004
Circumference
514718552.93052
Area
2.1082872442753E+16
Volume
2.3028119369014E+24
Surface area
8.4331489771011E+16
Circumference
514718552.93052
Perimeter
327680008
Area
6710886727680004
Diagonal
115852377.85803
Surface area
40265320366080024
Volume
5.4975585415332E+23
Space diagonal
141889605.62014
Perimeter
245760006
Area
2.9058991940454E+15
Altitude
70944802.810072
Surface area
2.9058991940454E+15
Volume
6.4789348744802E+22
Height
38617459.28601