81122907 (number)

81122907 is an odd 8-digits composite number following 81122906 and preceding 81122908. In scientific notation, it is written as 8.1122907 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 52620192 positive integers (up to 81122907) that are relatively prime to 81122907.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-two thousand nine hundred seven

Notation

Scientific notation 8.1122907 × 10^7
Engineering notation 8.1122907 × 10^6

Prime Factorization of 81122907

Prime Factorization 3 × 37 × 730837

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81122907
Product of the distinct prime numbers

The prime factorization of 81122907 is 3 × 37 × 730837. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81122907)

Multiplication

n×y
n×2 162245814
n×3 243368721
n×4 324491628
n×5 405614535

Division

n÷y
n÷2 40561453.5
n÷3 27040969
n÷3 20280726.75
n÷5 16224581.4

Exponentiation

ny
n2 6580926040130649
n3 5.338638511274E+23
n4 4.330858754567E+31
n5 3.5133185197687E+39

Nth Root

y√n
2√n 9006.8255784155
3√n 432.89360317344
4√n 94.904296943898
5√n 38.17936500679

Divisors of 81122907

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 -81122906
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 81122907 can be divided by 8 positive divisors. The sum of these divisors (counting 81122907) is 1, the average is 0.125.

Base conversion 81122907

Base System Value
2 Binary 100110101011101011001011011
3 Ternary 12122122110201010
4 Quaternary 10311131121123
5 Quinary 131231413112
6 Senary 12014425003
8 Octal 465353133
10 Decimal 81122907
12 Duodecimal 23202163
16 Hexadecimal 4d5d65b
20 Vigesimal 1570757
36 Base36 1caqu3

Cryptographic Hash Functions

md5 0cbe3661e0ed6886663c7200dd07987a
sha1 bd67051340410603392dd2a31a85ffe38112d4bf
sha256 c14287b63e0059de1ab4d61d1f77e4aa7c7cb7c21cb5fec18febe07b726323d3
sha512 0fe5ff093a1f95a5ebbe619f88fc93ecf1072ef8da289cb0834ca2018c1456350efd077c630ba163d02dfca42fc4d879856e0d7db5da0a7b6cdce2a9c6ccf4fd
ripemd-160 fa5929888d75de8c56c3fa089daefbdba91f38cd

81122907 as geometric shapes

Circle

Radius = n
Diameter 162245814
Circumference 509710257.3381
Area 2.0674588901492E+16

Sphere

Radius = n
Volume 2.236243670292E+24
Surface area 8.2698355605969E+16
Circumference 509710257.3381

Square

Length = n
Perimeter 324491628
Area 6580926040130649
Diagonal 114725115.29853

Cube

Length = n
Surface area 39485556240783894
Volume 5.338638511274E+23
Space diagonal 140508996.58168

Equilateral Triangle

Length = n
Perimeter 243368721
Area 2.8496245655898E+15
Altitude 70254498.290842

Triangular Pyramid

Length = n
Surface area 2.8496245655898E+15
Volume 6.2916458227091E+22
Height 38241705.09951