81220006 (number)

81220006 is an even 8-digits composite number following 81220005 and preceding 81220007. In scientific notation, it is written as 8.1220006 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 34808568 positive integers (up to 81220006) that are relatively prime to 81220006.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred twenty thousand six

Notation

Scientific notation 8.1220006 × 10^7
Engineering notation 8.1220006 × 10^6

Prime Factorization of 81220006

Prime Factorization 2 × 7 × 5801429

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81220006
Product of the distinct prime numbers

The prime factorization of 81220006 is 2 × 7 × 5801429. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81220006)

Multiplication

n×y
n×2 162440012
n×3 243660018
n×4 324880024
n×5 406100030

Division

n÷y
n÷2 40610003
n÷3 27073335.333333
n÷3 20305001.5
n÷5 16244001.2

Exponentiation

ny
n2 6596689374640036
n3 5.357831505884E+23
n4 4.3516310705489E+31
n5 3.5343950165977E+39

Nth Root

y√n
2√n 9012.2142673152
3√n 433.0662497504
4√n 94.932682819539
5√n 38.188500292174

Divisors of 81220006

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 -81220005
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 81220006 can be divided by 8 positive divisors. The sum of these divisors (counting 81220006) is 1, the average is 0.125.

Base conversion 81220006

Base System Value
2 Binary 100110101110101000110100110
3 Ternary 12122211101220101
4 Quaternary 10311311012212
5 Quinary 131243020011
6 Senary 12020454314
8 Octal 465650646
10 Decimal 81220006
12 Duodecimal 2324a39a
16 Hexadecimal 4d751a6
20 Vigesimal 157ca06
36 Base36 1cctra

Cryptographic Hash Functions

md5 cc41698a3d77dcb2dbfdec5e7b25a059
sha1 52b7bf0c2aa5f298f1275eee7629c49465e45e7d
sha256 86faa62d0b023cd7f48a95efc402ad3fdd1c4904693581c1939687121a71ecf4
sha512 d45865d51fc47e3aa0224c677f88d15d45da51abb827f821d82052621fbfe0743ac96c61c2b043c6dee83016b8e3af305b29bfd25e16b3a86064b6f9416ecf3f
ripemd-160 ce2713aa214289faf34ee37fbe22ac4e3ec6d481

81220006 as geometric shapes

Circle

Radius = n
Diameter 162440012
Circumference 510320348.34824
Area 2.0724110877383E+16

Sphere

Radius = n
Volume 2.2442832130743E+24
Surface area 8.2896443509532E+16
Circumference 510320348.34824

Square

Length = n
Perimeter 324880024
Area 6596689374640036
Diagonal 114862434.02122

Cube

Length = n
Surface area 39580136247840216
Volume 5.357831505884E+23
Space diagonal 140677176.98305

Equilateral Triangle

Length = n
Perimeter 243660018
Area 2.8564502896566E+15
Altitude 70338588.491525

Triangular Pyramid

Length = n
Surface area 2.8564502896566E+15
Volume 6.3142649837758E+22
Height 38287478.007075