81121593 (number)

81121593 is an odd 8-digits composite number following 81121592 and preceding 81121594. In scientific notation, it is written as 8.1121593 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 46355184 positive integers (up to 81121593) that are relatively prime to 81121593.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-one thousand five hundred ninety-three

Notation

Scientific notation 8.1121593 × 10^7
Engineering notation 8.1121593 × 10^6

Prime Factorization of 81121593

Prime Factorization 3 × 7 × 3862933

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81121593
Product of the distinct prime numbers

The prime factorization of 81121593 is 3 × 7 × 3862933. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81121593)

Multiplication

n×y
n×2 162243186
n×3 243364779
n×4 324486372
n×5 405607965

Division

n÷y
n÷2 40560796.5
n÷3 27040531
n÷3 20280398.25
n÷5 16224318.6

Exponentiation

ny
n2 6580712850857649
n3 5.3383790953714E+23
n4 4.3305781625443E+31
n5 3.5130339915661E+39

Nth Root

y√n
2√n 9006.7526334412
3√n 432.89126587527
4√n 94.90391263505
5√n 38.179241322833

Divisors of 81121593

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 -81121592
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 81121593 can be divided by 8 positive divisors. The sum of these divisors (counting 81121593) is 1, the average is 0.125.

Base conversion 81121593

Base System Value
2 Binary 100110101011101000100111001
3 Ternary 12122122101220110
4 Quaternary 10311131010321
5 Quinary 131231342333
6 Senary 12014414533
8 Octal 465350471
10 Decimal 81121593
12 Duodecimal 23201449
16 Hexadecimal 4d5d139
20 Vigesimal 15703jd
36 Base36 1captl

Cryptographic Hash Functions

md5 9b02342ff1fc491e0039647fc894aa1a
sha1 56a02594376d317d7d15a725076bdb8079bf37ce
sha256 c9a84f2a79850540b8d45ccaea8c4bdd20d0a2413421d91dd2007249d6e8ebf5
sha512 6549da23375ce103f3e45dde6c999e9e5a8e5efb6e68a79ef8cf01cf1722686452d5b7a3cacdad19e822f41e711d54033e442b30844416e3c9ef9281a7c9eb47
ripemd-160 dfa429e6890fbf3be018c0fc637d262d9deb9667

81121593 as geometric shapes

Circle

Radius = n
Diameter 162243186
Circumference 509702001.2326
Area 2.0673919147638E+16

Sphere

Radius = n
Volume 2.2361350064128E+24
Surface area 8.2695676590553E+16
Circumference 509702001.2326

Square

Length = n
Perimeter 324486372
Area 6580712850857649
Diagonal 114723257.02191

Cube

Length = n
Surface area 39484277105145894
Volume 5.3383790953714E+23
Space diagonal 140506720.66692

Equilateral Triangle

Length = n
Perimeter 243364779
Area 2.8495322519267E+15
Altitude 70253360.333462

Triangular Pyramid

Length = n
Surface area 2.8495322519267E+15
Volume 6.2913400981361E+22
Height 38241085.67397