82091281 (number)

82091281 is an odd 8-digits composite number following 82091280 and preceding 82091282. In scientific notation, it is written as 8.2091281 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 78146640 positive integers (up to 82091281) that are relatively prime to 82091281.

Interesting facts

Basic properties

Name

Name eighty-two million ninety-one thousand two hundred eighty-one

Notation

Scientific notation 8.2091281 × 10^7
Engineering notation 8.2091281 × 10^6

Prime Factorization of 82091281

Prime Factorization 47 × 131 × 199 × 67

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 82091281
Product of the distinct prime numbers

The prime factorization of 82091281 is 47 × 131 × 199 × 67. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 18, 7, 193, 959, 1526, 789, 96185, 79139, 145782, 99976, 2508113, 3327608, 15804210, 9598373, 662044047, 433914936, 9561146535, 9548885207

Basic calculations (n = 82091281)

Multiplication

n×y
n×2 164182562
n×3 246273843
n×4 328365124
n×5 410456405

Division

n÷y
n÷2 41045640.5
n÷3 27363760.333333
n÷3 20522820.25
n÷5 16418256.2

Exponentiation

ny
n2 6738978416220961
n3 5.5321137081893E+23
n4 4.5413830094292E+31
n5 3.7280794875568E+39

Nth Root

y√n
2√n 9060.4238863311
3√n 434.60929555015
4√n 95.186258915513
5√n 38.270083213143

Divisors of 82091281

1, 47, 67, 131, 199, 3149, 6157, 8777, 9353, 13333, 26069, 412519, 626651, 1225243, 1746623, 82091281

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 -82091280
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 82091281 can be divided by 16 positive divisors. The sum of these divisors (counting 82091281) is 1, the average is 0.0625.

Base conversion 82091281

Base System Value
2 Binary 100111001001001110100010001
3 Ternary 12201110200001211
4 Quaternary 10321021310101
5 Quinary 132003410111
6 Senary 12051300121
8 Octal 471116421
10 Decimal 82091281
12 Duodecimal 235aa641
16 Hexadecimal 4e49d11
20 Vigesimal 15d1841
36 Base36 1cvi1d

Cryptographic Hash Functions

md5 a001828a8e08906943d11155608db057
sha1 1650eaaf53a93cb84e0ed5d074060c4dc1e08815
sha256 42504dd7f2a53f8da0412af108f3e37de495e1a42efb0136bab82afa0b3c1a79
sha512 d14ec573576dc1420a96151ecfdcaf64ad490c24b19a7ec33cc5707007337348c694077e45acb2b4d8d7b7f9d91c1039d1ca735867d6ac76f0ca626f73652763
ripemd-160 c3b357571fb0b1f4bc755f6e2bfa6b2a2ef86555

82091281 as geometric shapes

Circle

Radius = n
Diameter 164182562
Circumference 515794730.62675
Area 2.11711250851E+16

Sphere

Radius = n
Volume 2.3172863712628E+24
Surface area 8.46845003404E+16
Circumference 515794730.62675

Square

Length = n
Perimeter 328365124
Area 6738978416220961
Diagonal 116094602.94278

Cube

Length = n
Surface area 40433870497325766
Volume 5.5321137081893E+23
Space diagonal 142186269.55041

Equilateral Triangle

Length = n
Perimeter 246273843
Area 2.9180632520012E+15
Altitude 71093134.775207

Triangular Pyramid

Length = n
Surface area 2.9180632520012E+15
Volume 6.5196585289262E+22
Height 38698200.980927