81122969 (number)

81122969 is an odd 8-digits composite number following 81122968 and preceding 81122970. In scientific notation, it is written as 8.1122969 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 79008160 positive integers (up to 81122969) that are relatively prime to 81122969.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1122969 × 10^7
Engineering notation 8.1122969 × 10^6

Prime Factorization of 81122969

Prime Factorization 41 × 743 × 2663

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81122969
Product of the distinct prime numbers

The prime factorization of 81122969 is 41 × 743 × 2663. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81122969)

Multiplication

n×y
n×2 162245938
n×3 243368907
n×4 324491876
n×5 405614845

Division

n÷y
n÷2 40561484.5
n÷3 27040989.666667
n÷3 20280742.25
n÷5 16224593.8

Exponentiation

ny
n2 6580936099374961
n3 5.3386507518058E+23
n4 4.3308719944057E+31
n5 3.5133319454514E+39

Nth Root

y√n
2√n 9006.829020249
3√n 432.89371345629
4√n 94.904315077077
5√n 38.179370842676

Divisors of 81122969

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 -81122968
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 81122969 can be divided by 8 positive divisors. The sum of these divisors (counting 81122969) is 1, the average is 0.125.

Base conversion 81122969

Base System Value
2 Binary 100110101011101011010011001
3 Ternary 12122122110210102
4 Quaternary 10311131122121
5 Quinary 131231413334
6 Senary 12014425145
8 Octal 465353231
10 Decimal 81122969
12 Duodecimal 232021b5
16 Hexadecimal 4d5d699
20 Vigesimal 1570789
36 Base36 1caqvt

Cryptographic Hash Functions

md5 82408eb8329281a90d99d2db192965b6
sha1 3cd3897ee2be8f833b8a38f17555c9224c967b41
sha256 a7fe76bfbb81cd0a254a5bae3209f51722162413d775bab6cbb7e89680c1ffb5
sha512 37507328d6f20ba36d19084337bf6a40fb24376bd23ac31ad8c22df05efff91d6662ce3460933c5d02d972e603e532d7bb6080c3b2646c74b4fec0b31e5f19c6
ripemd-160 f09c9cb0cd2e09f1384d146bc8d2590da46ef9c7

81122969 as geometric shapes

Circle

Radius = n
Diameter 162245938
Circumference 509710646.89559
Area 2.067462050354E+16

Sphere

Radius = n
Volume 2.2362487975939E+24
Surface area 8.2698482014161E+16
Circumference 509710646.89559

Square

Length = n
Perimeter 324491876
Area 6580936099374961
Diagonal 114725202.97977

Cube

Length = n
Surface area 39485616596249766
Volume 5.3386507518058E+23
Space diagonal 140509103.96883

Equilateral Triangle

Length = n
Perimeter 243368907
Area 2.8496289213704E+15
Altitude 70254551.984417

Triangular Pyramid

Length = n
Surface area 2.8496289213704E+15
Volume 6.2916602483142E+22
Height 38241734.326591