81802011 (number)

81802011 is an odd 8-digits composite number following 81802010 and preceding 81802012. In scientific notation, it is written as 8.1802011 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 45158400 positive integers (up to 81802011) that are relatively prime to 81802011.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred two thousand eleven

Notation

Scientific notation 8.1802011 × 10^7
Engineering notation 8.1802011 × 10^6

Prime Factorization of 81802011

Prime Factorization 3 × 323 × 29 × 71 × 41

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81802011
Product of the distinct prime numbers

The prime factorization of 81802011 is 3 × 323 × 29 × 71 × 41. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 1, 35, 14, 145, 178, 2235, 6926, 56833, 96130, 549324, 5815, 5826567, 2398393, 88085043, 27252809, 181937965, 245839323, 274879542, 6142331083

Basic calculations (n = 81802011)

Multiplication

n×y
n×2 163604022
n×3 245406033
n×4 327208044
n×5 409010055

Division

n÷y
n÷2 40901005.5
n÷3 27267337
n÷3 20450502.75
n÷5 16360402.2

Exponentiation

ny
n2 6691569003644121
n3 5.4738380124336E+23
n4 4.4777095730531E+31
n5 3.6628564774969E+39

Nth Root

y√n
2√n 9044.4464175537
3√n 434.09820843049
4√n 95.10229449153
5√n 38.243074196682

Divisors of 81802011

1, 3, 29, 41, 71, 87, 123, 213, 323, 969, 1189, 2059, 2911, 3567, 6177, 8733, 9367, 13243, 22933, 28101, 39729, 68799, 84419, 253257, 384047, 665057, 940253, 1152141, 1995171, 2820759, 27267337, 81802011

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81802010
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81802011 can be divided by 32 positive divisors. The sum of these divisors (counting 81802011) is 1, the average is 0.03125.

Base conversion 81802011

Base System Value
2 Binary 100111000000011001100011011
3 Ternary 12200220222021010
4 Quaternary 10320003030123
5 Quinary 131420131021
6 Senary 12041145003
8 Octal 470031433
10 Decimal 81802011
12 Duodecimal 2348b163
16 Hexadecimal 4e0331b
20 Vigesimal 15b550b
36 Base36 1cpau3

Cryptographic Hash Functions

md5 6aba0bc4ceb667ce5af6b4693a298718
sha1 d11ceb421ea6b6e192beb5b8f5e707d4559265e6
sha256 0ea132209dba650a75249d9eb502c5eec0a370110db76aee6d27b86b02ba57e7
sha512 a62b534d9b8692b30bdf36259d72ec7dcf981a858c8297f2a8bc06912a675fb94fea4296d36175454c5437d96d6896981b179ec075c0377f01f1f03f7e2d7a3f
ripemd-160 8d5d92a99e2161e5c07ca68788005f9db54f689d

81802011 as geometric shapes

Circle

Radius = n
Diameter 163604022
Circumference 513977193.61294
Area 2.1022184022838E+16

Sphere

Radius = n
Volume 2.2928759049069E+24
Surface area 8.408873609135E+16
Circumference 513977193.61294

Square

Length = n
Perimeter 327208044
Area 6691569003644121
Diagonal 115685513.38559

Cube

Length = n
Surface area 40149414021864726
Volume 5.4738380124336E+23
Space diagonal 141685239.21331

Equilateral Triangle

Length = n
Perimeter 245406033
Area 2.8975343741662E+15
Altitude 70842619.606654

Triangular Pyramid

Length = n
Surface area 2.8975343741662E+15
Volume 6.4509799628474E+22
Height 38561837.795198