81121503 (number)

81121503 is an odd 8-digits composite number following 81121502 and preceding 81121504. In scientific notation, it is written as 8.1121503 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 54048384 positive integers (up to 81121503) that are relatively prime to 81121503.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1121503 × 10^7
Engineering notation 8.1121503 × 10^6

Prime Factorization of 81121503

Prime Factorization 3 × 1873 × 14437

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81121503
Product of the distinct prime numbers

The prime factorization of 81121503 is 3 × 1873 × 14437. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81121503)

Multiplication

n×y
n×2 162243006
n×3 243364509
n×4 324486012
n×5 405607515

Division

n÷y
n÷2 40560751.5
n÷3 27040501
n÷3 20280375.75
n÷5 16224300.6

Exponentiation

ny
n2 6580698248979009
n3 5.3383613274665E+23
n4 4.3305589444115E+31
n5 3.5130145040076E+39

Nth Root

y√n
2√n 9006.7476371885
3√n 432.89110578543
4√n 94.903886312355
5√n 38.179232851271

Divisors of 81121503

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 -81121502
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 81121503 can be divided by 8 positive divisors. The sum of these divisors (counting 81121503) is 1, the average is 0.125.

Base conversion 81121503

Base System Value
2 Binary 100110101011101000011011111
3 Ternary 12122122101210010
4 Quaternary 10311131003133
5 Quinary 131231342003
6 Senary 12014414303
8 Octal 465350337
10 Decimal 81121503
12 Duodecimal 23201393
16 Hexadecimal 4d5d0df
20 Vigesimal 15703f3
36 Base36 1capr3

Cryptographic Hash Functions

md5 fc3165556d628eac3cde9f28f3c67554
sha1 1320db079f7f3d358f27dbebc7466a7777142b0e
sha256 dc4aee01f31be145297eecce4ddd845a03a664d20d84639e074884d1e6b4b079
sha512 b88f75b2c3e9ec4a33df62d013052f0252a3a22333d85c2c4d8aa5f8cc50e058cd560b02026dc9206fbbeb770c3b213df7cfa1f9e788ec9c307ab401889bc88f
ripemd-160 0f5051497b7143cd73e4268865797a4a1b70954a

81121503 as geometric shapes

Circle

Radius = n
Diameter 162243006
Circumference 509701435.74592
Area 2.0673873274484E+16

Sphere

Radius = n
Volume 2.2361275638102E+24
Surface area 8.2695493097935E+16
Circumference 509701435.74592

Square

Length = n
Perimeter 324486012
Area 6580698248979009
Diagonal 114723129.74269

Cube

Length = n
Surface area 39484189493874054
Volume 5.3383613274665E+23
Space diagonal 140506564.78235

Equilateral Triangle

Length = n
Perimeter 243364509
Area 2.8495259291278E+15
Altitude 70253282.391176

Triangular Pyramid

Length = n
Surface area 2.8495259291278E+15
Volume 6.2913191584592E+22
Height 38241043.247563