81132018 (number)

81132018 is an even 8-digits composite number following 81132017 and preceding 81132019. In scientific notation, it is written as 8.1132018 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 24585440 positive integers (up to 81132018) that are relatively prime to 81132018.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred thirty-two thousand eighteen

Notation

Scientific notation 8.1132018 × 10^7
Engineering notation 8.1132018 × 10^6

Prime Factorization of 81132018

Prime Factorization 2 × 3 × 11 × 1229273

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81132018
Product of the distinct prime numbers

The prime factorization of 81132018 is 2 × 3 × 11 × 1229273. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 22, 21, 896, 951, 5056, 7187, 21936, 61463, 812283, 758951, 4149658, 1669903, 93063806, 62348275, 230789703, 783370472, 7828258292, 4414432916

Basic calculations (n = 81132018)

Multiplication

n×y
n×2 162264036
n×3 243396054
n×4 324528072
n×5 405660090

Division

n÷y
n÷2 40566009
n÷3 27044006
n÷3 20283004.5
n÷5 16226403.6

Exponentiation

ny
n2 6582404344752324
n3 5.3404374778172E+23
n4 4.3328046957814E+31
n5 3.5152918856862E+39

Nth Root

y√n
2√n 9007.331347297
3√n 432.90980881382
4√n 94.906961532319
5√n 38.180222561287

Divisors of 81132018

1, 2, 3, 6, 11, 22, 33, 66, 1229273, 2458546, 3687819, 7375638, 13522003, 27044006, 40566009, 81132018

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 -81132017
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 81132018 can be divided by 16 positive divisors. The sum of these divisors (counting 81132018) is 1, the average is 0.0625.

Base conversion 81132018

Base System Value
2 Binary 100110101011111100111110010
3 Ternary 12122122221012120
4 Quaternary 10311133213302
5 Quinary 131232211033
6 Senary 12014535110
8 Octal 465374762
10 Decimal 81132018
12 Duodecimal 23207496
16 Hexadecimal 4d5f9f2
20 Vigesimal 1571a0i
36 Base36 1caxv6

Cryptographic Hash Functions

md5 37eaa6c2e5c3123a115b2ae70cdb4246
sha1 db69675940375a81848f99ac0789acfe143e5ded
sha256 dae54854b52a4b6f5db232398a80d5e545e33e8d5955f12b3ba62b90408b6420
sha512 1709bccbdc8a9f4df7f1625086220099dddd317330b98ac250d59135eb5e16cfe6466f0e802883d9c0770e6a3ec7770eba64d66ae84c751f2ef1cfeb4375dc45
ripemd-160 b7d5549d13e690f6b2db73d14b1ea3e53a592ae3

81132018 as geometric shapes

Circle

Radius = n
Diameter 162264036
Circumference 509767503.43943
Area 2.0679233132431E+16

Sphere

Radius = n
Volume 2.2369972196355E+24
Surface area 8.2716932529726E+16
Circumference 509767503.43943

Square

Length = n
Perimeter 324528072
Area 6582404344752324
Diagonal 114738000.1983

Cube

Length = n
Surface area 39494426068513944
Volume 5.3404374778172E+23
Space diagonal 140524777.29659

Equilateral Triangle

Length = n
Perimeter 243396054
Area 2.8502646902683E+15
Altitude 70262388.648296

Triangular Pyramid

Length = n
Surface area 2.8502646902683E+15
Volume 6.2937659251123E+22
Height 38246000.066099