81322013 (number)

81322013 is an odd 8-digits composite number following 81322012 and preceding 81322014. In scientific notation, it is written as 8.1322013 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 81298368 positive integers (up to 81322013) that are relatively prime to 81322013.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred twenty-two thousand thirteen

Notation

Scientific notation 8.1322013 × 10^7
Engineering notation 8.1322013 × 10^6

Prime Factorization of 81322013

Prime Factorization 4177 × 19469

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81322013
Product of the distinct prime numbers

The prime factorization of 81322013 is 4177 × 19469. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81322013)

Multiplication

n×y
n×2 162644026
n×3 243966039
n×4 325288052
n×5 406610065

Division

n÷y
n÷2 40661006.5
n÷3 27107337.666667
n÷3 20330503.25
n÷5 16264402.6

Exponentiation

ny
n2 6613269798372169
n3 5.3780441251573E+23
n4 4.3735337426061E+31
n5 3.5566456787216E+39

Nth Root

y√n
2√n 9017.8718664661
3√n 433.24747483702
4√n 94.962476096962
5√n 38.198087927094

Divisors of 81322013

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81322012
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81322013 can be divided by 4 positive divisors. The sum of these divisors (counting 81322013) is 1, the average is 0.25.

Base conversion 81322013

Base System Value
2 Binary 100110110001110000000011101
3 Ternary 12200000120211102
4 Quaternary 10312032000131
5 Quinary 131304301023
6 Senary 12023002445
8 Octal 466160035
10 Decimal 81322013
12 Duodecimal 23299425
16 Hexadecimal 4d8e01d
20 Vigesimal 158550d
36 Base36 1cf0gt

Cryptographic Hash Functions

md5 16d5e466a65907fca55aa3672db3a2e8
sha1 2ce5141d0e31f2b07c1a4c2caaf4ebef106b53cd
sha256 b1ad2b39ee19aa25b6a86f98dbfd6fbb66652f63eb241f91f81bf410e7c1ed90
sha512 28645bd451927484e41ad3fcec73bff2cf704a03b787c52b6707133a36ac09e1f685089df4810cb91900a504d2a8e998535e5dd23a67c791912fb8b766a1195f
ripemd-160 11134e52af7264c8d6416543e8221d16ad150df4

81322013 as geometric shapes

Circle

Radius = n
Diameter 162644026
Circumference 510961277.23187
Area 2.0776199814773E+16

Sphere

Radius = n
Volume 2.2527498552368E+24
Surface area 8.3104799259093E+16
Circumference 510961277.23187

Square

Length = n
Perimeter 325288052
Area 6613269798372169
Diagonal 115006693.70408

Cube

Length = n
Surface area 39679618790233014
Volume 5.3780441251573E+23
Space diagonal 140853858.28978

Equilateral Triangle

Length = n
Perimeter 243966039
Area 2.8636298237353E+15
Altitude 70426929.144888

Triangular Pyramid

Length = n
Surface area 2.8636298237353E+15
Volume 6.338085784032E+22
Height 38335564.568027