81503012 (number)

81503012 is an even 8-digits composite number following 81503011 and preceding 81503013. In scientific notation, it is written as 8.1503012 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors. There are 39922848 positive integers (up to 81503012) that are relatively prime to 81503012.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred three thousand twelve

Notation

Scientific notation 8.1503012 × 10^7
Engineering notation 8.1503012 × 10^6

Prime Factorization of 81503012

Prime Factorization 2 × 2 × 83 × 127 × 1933

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40751506
Product of the distinct prime numbers

The prime factorization of 81503012 is 2 × 2 × 83 × 127 × 1933. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81503012)

Multiplication

n×y
n×2 163006024
n×3 244509036
n×4 326012048
n×5 407515060

Division

n÷y
n÷2 40751506
n÷3 27167670.666667
n÷3 20375753
n÷5 16300602.4

Exponentiation

ny
n2 6642740965072144
n3 5.4140339658917E+23
n4 4.4126007529048E+31
n5 3.5964025211521E+39

Nth Root

y√n
2√n 9027.9018603439
3√n 433.5686640231
4√n 95.015271721676
5√n 38.215076362124

Divisors of 81503012

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81503011
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81503012 can be divided by 24 positive divisors. The sum of these divisors (counting 81503012) is 1, the average is 0.041666666666667.

Base conversion 81503012

Base System Value
2 Binary 100110110111010001100100100
3 Ternary 12200100210010002
4 Quaternary 10312322030210
5 Quinary 131331044022
6 Senary 12030520432
8 Octal 466721444
10 Decimal 81503012
12 Duodecimal 23366118
16 Hexadecimal 4dba324
20 Vigesimal 1597hac
36 Base36 1ciw4k

Cryptographic Hash Functions

md5 3b195ffe73e94ad2e94315ad99d76069
sha1 698e1acdc64fdb80f73f83f2d2c82aabf7a43c09
sha256 354a3459d36dd81e5a20a6f681af7a1ec0cfca06005321832d8ffec36f0b43ac
sha512 315b1517b93c6acfa19e446cade0af5b74ab906dc9d5008848210d88645ad4b75d3aa1a6aeb9cceaf5113dd22fbfa4e7f15ca3ba9c7e0774878d6bbb487b2d61
ripemd-160 24742ea7d760a65047623a9824bf9476f54e9ac2

81503012 as geometric shapes

Circle

Radius = n
Diameter 163006024
Circumference 512098527.48928
Area 2.0868786215571E+16

Sphere

Radius = n
Volume 2.2678252444708E+24
Surface area 8.3475144862282E+16
Circumference 512098527.48928

Square

Length = n
Perimeter 326012048
Area 6642740965072144
Diagonal 115262664.94466

Cube

Length = n
Surface area 39856445790432864
Volume 5.4140339658917E+23
Space diagonal 141167357.7539

Equilateral Triangle

Length = n
Perimeter 244509036
Area 2.876391213256E+15
Altitude 70583678.876948

Triangular Pyramid

Length = n
Surface area 2.876391213256E+15
Volume 6.3805002180938E+22
Height 38420888.314886