81489084 (number)

81489084 is an even 8-digits composite number following 81489083 and preceding 81489085. In scientific notation, it is written as 8.1489084 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 27135024 positive integers (up to 81489084) that are relatively prime to 81489084.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-nine thousand eighty-four

Notation

Scientific notation 8.1489084 × 10^7
Engineering notation 8.1489084 × 10^6

Prime Factorization of 81489084

Prime Factorization 2 × 2 × 3 × 1163 × 5839

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40744542
Product of the distinct prime numbers

The prime factorization of 81489084 is 2 × 2 × 3 × 1163 × 5839. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 5, 33, 20, 65, 636, 417, 4369, 34483, 32342, 925466, 554710, 2556663, 3357315, 90432660, 33242993, 131518915, 903709581, 2179276686, 184432575

Basic calculations (n = 81489084)

Multiplication

n×y
n×2 162978168
n×3 244467252
n×4 325956336
n×5 407445420

Division

n÷y
n÷2 40744542
n÷3 27163028
n÷3 20372271
n÷5 16297816.8

Exponentiation

ny
n2 6640470811159056
n3 5.4112588373009E+23
n4 4.4095852593855E+31
n5 3.5933306360723E+39

Nth Root

y√n
2√n 9027.1304410649
3√n 433.54396518796
4√n 95.011212186062
5√n 38.213770162617

Divisors of 81489084

1, 2, 3, 4, 6, 12, 1163, 2326, 3489, 4652, 5839, 6978, 11678, 13956, 17517, 23356, 35034, 70068, 6790757, 13581514, 20372271, 27163028, 40744542, 81489084

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81489083
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81489084 can be divided by 24 positive divisors. The sum of these divisors (counting 81489084) is 1, the average is 0.041666666666667.

Base conversion 81489084

Base System Value
2 Binary 100110110110110110010111100
3 Ternary 12200100002000020
4 Quaternary 10312312302330
5 Quinary 131330122314
6 Senary 12030332140
8 Octal 466666274
10 Decimal 81489084
12 Duodecimal 2335a050
16 Hexadecimal 4db6cbc
20 Vigesimal 15962e4
36 Base36 1cildo

Cryptographic Hash Functions

md5 8f7f20e92b19328fe59299a090eee4e7
sha1 0cd45993155b8c13c6dc94f4de02ded8fcdbb183
sha256 56415d8e73ba284dbb9597fe30edf7e67e82b75dc3fc1d8fd6c7c1dc775ff22d
sha512 80e8ec231702f61eaa068d90dbb944594acad799744968cf75d6d58f40f6f677c5d7791c3b9353fa5c7b4afc2090ed7b349ce7ebe4b749d5b37626ea4197b68e
ripemd-160 7fe86e4dfde3c702ad427e1d9743ce2d26266e47

81489084 as geometric shapes

Circle

Radius = n
Diameter 162978168
Circumference 512011015.28432
Area 2.0861654316715E+16

Sphere

Radius = n
Volume 2.266662801325E+24
Surface area 8.3446617266859E+16
Circumference 512011015.28432

Square

Length = n
Perimeter 325956336
Area 6640470811159056
Diagonal 115242967.77816

Cube

Length = n
Surface area 39842824866954336
Volume 5.4112588373009E+23
Space diagonal 141143233.75025

Equilateral Triangle

Length = n
Perimeter 244467252
Area 2.8754082077764E+15
Altitude 70571616.875124

Triangular Pyramid

Length = n
Surface area 2.8754082077764E+15
Volume 6.3772296976851E+22
Height 38414322.59272