81124589 (number)

81124589 is an odd 8-digits composite number following 81124588 and preceding 81124590. In scientific notation, it is written as 8.1124589 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 64050048 positive integers (up to 81124589) that are relatively prime to 81124589.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1124589 × 10^7
Engineering notation 8.1124589 × 10^6

Prime Factorization of 81124589

Prime Factorization 7 × 13 × 1033 × 863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81124589
Product of the distinct prime numbers

The prime factorization of 81124589 is 7 × 13 × 1033 × 863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81124589)

Multiplication

n×y
n×2 162249178
n×3 243373767
n×4 324498356
n×5 405622945

Division

n÷y
n÷2 40562294.5
n÷3 27041529.666667
n÷3 20281147.25
n÷5 16224917.8

Exponentiation

ny
n2 6581198940418921
n3 5.3389705916872E+23
n4 4.3312179493371E+31
n5 3.513682760094E+39

Nth Root

y√n
2√n 9006.9189515616
3√n 432.89659502056
4√n 94.904788875808
5√n 38.179523327446

Divisors of 81124589

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 -81124588
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 81124589 can be divided by 16 positive divisors. The sum of these divisors (counting 81124589) is 1, the average is 0.0625.

Base conversion 81124589

Base System Value
2 Binary 100110101011101110011101101
3 Ternary 12122122120000102
4 Quaternary 10311131303231
5 Quinary 131231441324
6 Senary 12014440445
8 Octal 465356355
10 Decimal 81124589
12 Duodecimal 23203125
16 Hexadecimal 4d5dced
20 Vigesimal 1570b99
36 Base36 1cas4t

Cryptographic Hash Functions

md5 78de361d57bfc4eed8532d805284ad97
sha1 6e3b05fc34a533ab91156a2ad51e00b1eaba5e2a
sha256 e6d6499b188b0530f0cd3c907e03e4cf8c0609ac1fe182ffd65da7f81b7f9a53
sha512 be53fd7f689bb5aaaa3d3d9f8c6794faef01ef06858a37f59f3bb5895135e142a9dbb53fa4d56c96cd750ae74a68feff23092141b39c0006657816b13bec677b
ripemd-160 fe71ed9d472fcec5f4fad4eaef45a9f357745950

81124589 as geometric shapes

Circle

Radius = n
Diameter 162249178
Circumference 509720825.65578
Area 2.0675446243033E+16

Sphere

Radius = n
Volume 2.2363827718102E+24
Surface area 8.2701784972132E+16
Circumference 509720825.65578

Square

Length = n
Perimeter 324498356
Area 6581198940418921
Diagonal 114727494.00574

Cube

Length = n
Surface area 39487193642513526
Volume 5.3389705916872E+23
Space diagonal 140511909.89114

Equilateral Triangle

Length = n
Perimeter 243373767
Area 2.849742734881E+15
Altitude 70255954.945572

Triangular Pyramid

Length = n
Surface area 2.849742734881E+15
Volume 6.2920371832293E+22
Height 38242498.001914