181801982 (number)

181801982 is an even 9-digits composite number following 181801981 and preceding 181801983. In scientific notation, it is written as 1.81801982 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 86948752 positive integers (up to 181801982) that are relatively prime to 181801982.

Interesting facts

Basic properties

Name

Name one hundred eighty-one million eight hundred one thousand nine hundred eighty-two

Notation

Scientific notation 1.81801982 × 10^8
Engineering notation 1.81801982 × 10^6

Prime Factorization of 181801982

Prime Factorization 2 × 23 × 3952217

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 181801982
Product of the distinct prime numbers

The prime factorization of 181801982 is 2 × 23 × 3952217. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 7, 22, 44, 71, 13, 4113, 1595, 5942, 16087, 366409, 230071, 218594, 7288799, 39397963, 49935087, 426828535, 117163369, 4904329650, 4087149453

Basic calculations (n = 181801982)

Multiplication

n×y
n×2 363603964
n×3 545405946
n×4 727207928
n×5 909009910

Division

n÷y
n÷2 90900991
n÷3 60600660.666667
n÷3 45450495.5
n÷5 36360396.4

Exponentiation

ny
n2 33051960659128324
n3 6.0089119568156E+24
n4 1.0924321034126E+33
n5 1.9860632160083E+41

Nth Root

y√n
2√n 13483.396530548
3√n 566.49950909666
4√n 116.11802844756
5√n 44.866244913241

Divisors of 181801982

1, 2, 23, 46, 3952217, 7904434, 90900991, 181801982

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -181801981
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 181801982 can be divided by 8 positive divisors. The sum of these divisors (counting 181801982) is 1, the average is 0.125.

Base conversion 181801982

Base System Value
2 Binary 1010110101100001001111111110
3 Ternary 110200002111102202
4 Quaternary 22311201033332
5 Quinary 333020130412
6 Senary 30012351502
8 Octal 1265411776
10 Decimal 181801982
12 Duodecimal 50a75592
16 Hexadecimal ad613fe
20 Vigesimal 2gg54j2
36 Base36 308nb2

Cryptographic Hash Functions

md5 dd038a537abbef03b3162971474c6926
sha1 7133d5e73fd65d9597dafa338cab655b7b4d0ff1
sha256 ae99662be12ddb9a3058127fc2e1c4af472b5d93e29321512bd7ec9a066604ae
sha512 977b3580e8c4000d2e489e584e66d6a0092abb83898f637302d8b3a5d69ce09c8fe3222501963427265e56158df03ea8a0e943fd31e068fd911af25f0c89199f
ripemd-160 da0a738326b0467d188e6bb995b38155958895e3

181801982 as geometric shapes

Circle

Radius = n
Diameter 363603964
Circumference 1142295542.1185
Area 1.0383579679346E+17

Sphere

Radius = n
Volume 2.5170071546133E+25
Surface area 4.1534318717383E+17
Circumference 1142295542.1185

Square

Length = n
Perimeter 727207928
Area 33051960659128324
Diagonal 257106828.61071

Cube

Length = n
Surface area 198311763954769944
Volume 6.0089119568156E+24
Space diagonal 314890269.74072

Equilateral Triangle

Length = n
Perimeter 545405946
Area 1.4311918787844E+16
Altitude 157445134.87036

Triangular Pyramid

Length = n
Surface area 1.4311918787844E+16
Volume 7.0815706536953E+23
Height 85702276.20357