81503013 (number)

81503013 is an odd 8-digits composite number following 81503012 and preceding 81503014. In scientific notation, it is written as 8.1503013 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 53220336 positive integers (up to 81503013) that are relatively prime to 81503013.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred three thousand thirteen

Notation

Scientific notation 8.1503013 × 10^7
Engineering notation 8.1503013 × 10^6

Prime Factorization of 81503013

Prime Factorization 3 × 59 × 347 × 1327

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81503013
Product of the distinct prime numbers

The prime factorization of 81503013 is 3 × 59 × 347 × 1327. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 46, 71, 623, 402, 6127, 8130, 21289, 85653, 93151, 231072, 996526, 4260530, 18443559, 86081315, 724792076, 117964464, 3020330523, 9436017861

Basic calculations (n = 81503013)

Multiplication

n×y
n×2 163006026
n×3 244509039
n×4 326012052
n×5 407515065

Division

n÷y
n÷2 40751506.5
n÷3 27167671
n÷3 20375753.25
n÷5 16300602.6

Exponentiation

ny
n2 6642741128078169
n3 5.4140341651739E+23
n4 4.4126009694661E+31
n5 3.5964027417821E+39

Nth Root

y√n
2√n 9027.9019157277
3√n 433.56866579632
4√n 95.015272013123
5√n 38.2150764559

Divisors of 81503013

1, 3, 59, 177, 347, 1041, 1327, 3981, 20473, 61419, 78293, 234879, 460469, 1381407, 27167671, 81503013

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81503012
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81503013 can be divided by 16 positive divisors. The sum of these divisors (counting 81503013) is 1, the average is 0.0625.

Base conversion 81503013

Base System Value
2 Binary 100110110111010001100100101
3 Ternary 12200100210010010
4 Quaternary 10312322030211
5 Quinary 131331044023
6 Senary 12030520433
8 Octal 466721445
10 Decimal 81503013
12 Duodecimal 23366119
16 Hexadecimal 4dba325
20 Vigesimal 1597had
36 Base36 1ciw4l

Cryptographic Hash Functions

md5 64d05909570ad3c9835c9419eefe5bb3
sha1 2bb1384a4fab8e565f6cc4b5b16dd3e404071f4b
sha256 f71b4a1855fc224df33a1ffab9f48dea6992cc91e9e92922ee8b2e1fc86bc16b
sha512 b225676c068af636f8e6ce3ba86960c8d3812fae067428f74fe9f4c8ed048eee83159e34ee298f535ea68b4392b7f96190e97095e69ea9c07213f0dc6c33b328
ripemd-160 e047409af3bad685f244c0a7b105e076d3e7f742

81503013 as geometric shapes

Circle

Radius = n
Diameter 163006026
Circumference 512098533.77247
Area 2.0868786727669E+16

Sphere

Radius = n
Volume 2.2678253279459E+24
Surface area 8.3475146910677E+16
Circumference 512098533.77247

Square

Length = n
Perimeter 326012052
Area 6642741128078169
Diagonal 115262666.35887

Cube

Length = n
Surface area 39856446768469014
Volume 5.4140341651739E+23
Space diagonal 141167359.48595

Equilateral Triangle

Length = n
Perimeter 244509039
Area 2.8763912838397E+15
Altitude 70583679.742973

Triangular Pyramid

Length = n
Surface area 2.8763912838397E+15
Volume 6.3805004529502E+22
Height 38420888.78629