81489558 (number)

81489558 is an even 8-digits composite number following 81489557 and preceding 81489559. In scientific notation, it is written as 8.1489558 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 26531400 positive integers (up to 81489558) that are relatively prime to 81489558.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-nine thousand five hundred fifty-eight

Notation

Scientific notation 8.1489558 × 10^7
Engineering notation 8.1489558 × 10^6

Prime Factorization of 81489558

Prime Factorization 2 × 3 × 43 × 315851

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81489558
Product of the distinct prime numbers

The prime factorization of 81489558 is 2 × 3 × 43 × 315851. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 2, 69, 41, 414, 201, 6397, 7680, 21434, 44560, 977319, 108346, 6329135, 3453141, 40753161, 33028596, 179939275, 933271787, 9327486931, 1762631625

Basic calculations (n = 81489558)

Multiplication

n×y
n×2 162979116
n×3 244468674
n×4 325958232
n×5 407447790

Division

n÷y
n÷2 40744779
n÷3 27163186
n÷3 20372389.5
n÷5 16297911.6

Exponentiation

ny
n2 6640548063035364
n3 5.4113532653451E+23
n4 4.4096878577483E+31
n5 3.5934351444587E+39

Nth Root

y√n
2√n 9027.1566952169
3√n 433.54480578906
4√n 95.011350349403
5√n 38.21381461835

Divisors of 81489558

1, 2, 3, 6, 43, 86, 129, 258, 315851, 631702, 947553, 1895106, 13581593, 27163186, 40744779, 81489558

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 -81489557
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 81489558 can be divided by 16 positive divisors. The sum of these divisors (counting 81489558) is 1, the average is 0.0625.

Base conversion 81489558

Base System Value
2 Binary 100110110110110111010010110
3 Ternary 12200100002122210
4 Quaternary 10312312322112
5 Quinary 131330131213
6 Senary 12030334250
8 Octal 466667226
10 Decimal 81489558
12 Duodecimal 2335a386
16 Hexadecimal 4db6e96
20 Vigesimal 15963hi
36 Base36 1cilqu

Cryptographic Hash Functions

md5 fd5c94befe34344dbd5095546a1a3e68
sha1 86ac5c1e3ae6653fa16d016ff71d181b9fd94d29
sha256 2e7c850f82987112467d3833fcabde4396975c0d4bc38863107431ca38dac876
sha512 2b5305324bb9afb95b5f7f1a66698d5fea1955e350e59b1b458981adbfe7b050dd167ee82adf054cbe6574314eb0f1f211437b5c2abe44d24fa51c80b68d2701
ripemd-160 edb60642a72f30252ef1c73bd2d2ffd1fbd7f958

81489558 as geometric shapes

Circle

Radius = n
Diameter 162979116
Circumference 512013993.51416
Area 2.0861897010642E+16

Sphere

Radius = n
Volume 2.2667023552516E+24
Surface area 8.3447588042567E+16
Circumference 512013993.51416

Square

Length = n
Perimeter 325958232
Area 6640548063035364
Diagonal 115243638.11539

Cube

Length = n
Surface area 39843288378212184
Volume 5.4113532653451E+23
Space diagonal 141144054.74233

Equilateral Triangle

Length = n
Perimeter 244468674
Area 2.8754416588201E+15
Altitude 70572027.371165

Triangular Pyramid

Length = n
Surface area 2.8754416588201E+15
Volume 6.3773409822025E+22
Height 38414546.038463