81920002 (number)

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.

Interesting facts

Basic properties

Name

Name eighty-one million nine hundred twenty thousand two

Notation

Scientific notation 8.1920002 × 10^7
Engineering notation 8.1920002 × 10^6

Prime Factorization of 81920002

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.

Most popular turbo-numbers

Basic calculations (n = 81920002)

Multiplication

n×y
n×2 163840004
n×3 245760006
n×4 327680008
n×5 409600010

Division

n÷y
n÷2 40960001
n÷3 27306667.333333
n÷3 20480000.5
n÷5 16384000.4

Exponentiation

ny
n2 6710886727680004
n3 5.4975585415332E+23
n4 4.5036000671752E+31
n5 3.6893492651019E+39

Nth Root

y√n
2√n 9050.9669096732
3√n 434.30682218958
4√n 95.136569780885
5√n 38.254100178389

Divisors of 81920002

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 conversion 81920002

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

Cryptographic Hash Functions

md5 aa1bfb652def78301b8438218328bae5
sha1 1b56fb1e5e9995042cb4485fdc488ed05f4b153a
sha256 2fc7f16cb652b728f8f80c46ee070b49c976e72b01cc4f55360985a3d453ff1b
sha512 c1385fee2307dc62ac2e262315572d3d9ed86e3abfc2be78ab0c1c8d330f2b1c5e0d1f6665be7f3cb7d8c6c1f71012786132856920350af4da391bc42519395f
ripemd-160 e3772a8a3c8b58cc09cb0ce1bdfd70e66c43b6a1

81920002 as geometric shapes

Circle

Radius = n
Diameter 163840004
Circumference 514718552.93052
Area 2.1082872442753E+16

Sphere

Radius = n
Volume 2.3028119369014E+24
Surface area 8.4331489771011E+16
Circumference 514718552.93052

Square

Length = n
Perimeter 327680008
Area 6710886727680004
Diagonal 115852377.85803

Cube

Length = n
Surface area 40265320366080024
Volume 5.4975585415332E+23
Space diagonal 141889605.62014

Equilateral Triangle

Length = n
Perimeter 245760006
Area 2.9058991940454E+15
Altitude 70944802.810072

Triangular Pyramid

Length = n
Surface area 2.9058991940454E+15
Volume 6.4789348744802E+22
Height 38617459.28601