81489692 (number)

81489692 is an even 8-digits composite number following 81489691 and preceding 81489693. In scientific notation, it is written as 8.1489692 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 6 positive divisors. There are 40744844 positive integers (up to 81489692) that are relatively prime to 81489692.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-nine thousand six hundred ninety-two

Notation

Scientific notation 8.1489692 × 10^7
Engineering notation 8.1489692 × 10^6

Prime Factorization of 81489692

Prime Factorization 2 × 2 × 20372423

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 40744846
Product of the distinct prime numbers

The prime factorization of 81489692 is 2 × 2 × 20372423. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 8, 95, 53, 830, 324, 6109, 2632, 99866, 80938, 316277, 745675, 5196689, 6324195, 68740643, 99249025, 233386924, 326869204, 3428015903, 3128069079

Basic calculations (n = 81489692)

Multiplication

n×y
n×2 162979384
n×3 244469076
n×4 325958768
n×5 407448460

Division

n÷y
n÷2 40744846
n÷3 27163230.666667
n÷3 20372423
n÷5 16297938.4

Exponentiation

ny
n2 6640569902254864
n3 5.4113799603922E+23
n4 4.4097168626733E+31
n5 3.5934646894645E+39

Nth Root

y√n
2√n 9027.164117263
3√n 433.54504342676
4√n 95.011389408128
5√n 38.213827185967

Divisors of 81489692

1, 2, 4, 20372423, 40744846, 81489692

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81489691
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81489692 can be divided by 6 positive divisors. The sum of these divisors (counting 81489692) is 1, the average is 0.16666666666667.

Base conversion 81489692

Base System Value
2 Binary 100110110110110111100011100
3 Ternary 12200100002211202
4 Quaternary 10312312330130
5 Quinary 131330132232
6 Senary 12030335032
8 Octal 466667434
10 Decimal 81489692
12 Duodecimal 2335a478
16 Hexadecimal 4db6f1c
20 Vigesimal 159644c
36 Base36 1ciluk

Cryptographic Hash Functions

md5 0e7b63a2396a5d79aeba56013b5aa2f7
sha1 7d12ee2de92598a491b173252a6901727f6748d5
sha256 d8f4e54696badc4b3bf010213d94712229b0dc1692f3525519877660b8789b26
sha512 327a9fc1809abd5e17479fb80fd9ac3f0b40d35e697a430ea4c798e987cba80cfac50953399cca1cce040c62d0f40803843cfabc7425ddf96fae1a2879242cb0
ripemd-160 eb12431741d27ab8ace2cdc4ae6245ad707fff8d

81489692 as geometric shapes

Circle

Radius = n
Diameter 162979384
Circumference 512014835.46099
Area 2.0861965620573E+16

Sphere

Radius = n
Volume 2.2667135372468E+24
Surface area 8.3447862482293E+16
Circumference 512014835.46099

Square

Length = n
Perimeter 325958768
Area 6640569902254864
Diagonal 115243827.62001

Cube

Length = n
Surface area 39843419413529184
Volume 5.4113799603922E+23
Space diagonal 141144286.83714

Equilateral Triangle

Length = n
Perimeter 244469076
Area 2.8754511154795E+15
Altitude 70572143.41857

Triangular Pyramid

Length = n
Surface area 2.8754511154795E+15
Volume 6.3773724426172E+22
Height 38414609.206669