81502013 (number)

81502013 is an odd 8-digits prime number following 81502012 and preceding 81502014. In scientific notation, it is written as 8.1502013 × 10^7. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 81502012 positive integers (up to 81502013) that are relatively prime to 81502013.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred two thousand thirteen

Notation

Scientific notation 8.1502013 × 10^7
Engineering notation 8.1502013 × 10^6

Prime Factorization of 81502013

Prime Factorization 81502013

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81502013
Product of the distinct prime numbers

The prime factorization of 81502013 is 81502013. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81502013)

Multiplication

n×y
n×2 163004026
n×3 244506039
n×4 326008052
n×5 407510065

Division

n÷y
n÷2 40751006.5
n÷3 27167337.666667
n÷3 20375503.25
n÷5 16300402.6

Exponentiation

ny
n2 6642578123052169
n3 5.4138348853851E+23
n4 4.4123844120851E+31
n5 3.5961821171476E+39

Nth Root

y√n
2√n 9027.846531704
3√n 433.56689256765
4√n 95.014980564667
5√n 38.214982679577

Divisors of 81502013

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81502014
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40751007
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 9027.8465870882
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999754607
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81502013 can be divided by 2 positive divisors. The sum of these divisors (counting 81502013) is 81502014, the average is 40751007.

Base conversion 81502013

Base System Value
2 Binary 100110110111001111100111101
3 Ternary 12200100201202002
4 Quaternary 10312321330331
5 Quinary 131331031023
6 Senary 12030512045
8 Octal 466717475
10 Decimal 81502013
12 Duodecimal 23365625
16 Hexadecimal 4db9f3d
20 Vigesimal 1597f0d
36 Base36 1civct

Cryptographic Hash Functions

md5 bf2b0ac22f88bbef3fe29bf5414cf6cd
sha1 6327167d6a99d342b2f11c52602c8aa2766b723e
sha256 699506f2d440919b4abd465e118ee6ff41ac169630055852a3f518f03977cc9a
sha512 8b6864197a70ae7889b170565c336408bc1e1f97d0127a4f70db96b5df548cd7af1b08a5edbf3c7449f672fe807e38342a63edc7ab67b597541fdecd8bb0c353
ripemd-160 45a42dcf2e704c02e74bc60b36386bbee5e41e58

81502013 as geometric shapes

Circle

Radius = n
Diameter 163004026
Circumference 512092250.58716
Area 2.0868274632277E+16

Sphere

Radius = n
Volume 2.2677418538232E+24
Surface area 8.3473098529108E+16
Circumference 512092250.58716

Square

Length = n
Perimeter 326008052
Area 6642578123052169
Diagonal 115261252.14531

Cube

Length = n
Surface area 39855468738313014
Volume 5.4138348853851E+23
Space diagonal 141165627.43514

Equilateral Triangle

Length = n
Perimeter 244506039
Area 2.876320700593E+15
Altitude 70582813.71757

Triangular Pyramid

Length = n
Surface area 2.876320700593E+15
Volume 6.3802655994669E+22
Height 38420417.381769