91489728 (number)

91489728 is an even 8-digits composite number following 91489727 and preceding 91489729. In scientific notation, it is written as 9.1489728 × 10^7. The sum of its digits is 48. It has a total of 9 prime factors and 56 positive divisors. There are 27723520 positive integers (up to 91489728) that are relatively prime to 91489728.

Interesting facts

Basic properties

Name

Name ninety-one million four hundred eighty-nine thousand seven hundred twenty-eight

Notation

Scientific notation 9.1489728 × 10^7
Engineering notation 9.1489728 × 10^6

Prime Factorization of 91489728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 11 × 43319

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 2859054
Product of the distinct prime numbers

The prime factorization of 91489728 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 11 × 43319. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91489728)

Multiplication

n×y
n×2 182979456
n×3 274469184
n×4 365958912
n×5 457448640

Division

n÷y
n÷2 45744864
n÷3 30496576
n÷3 22872432
n÷5 18297945.6

Exponentiation

ny
n2 8370370329513984
n3 7.658029047065E+23
n4 7.0063099453208E+31
n5 6.410053911811E+39

Nth Root

y√n
2√n 9565.0262937433
3√n 450.59957608388
4√n 97.800952417363
5√n 39.108797916397

Divisors of 91489728

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -91489727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 91489728 can be divided by 56 positive divisors. The sum of these divisors (counting 91489728) is 1, the average is 0.017857142857143.

Base conversion 91489728

Base System Value
2 Binary 101011101000000010111000000
3 Ternary 20101011011022110
4 Quaternary 11131000113000
5 Quinary 141410132403
6 Senary 13024535320
8 Octal 535002700
10 Decimal 91489728
12 Duodecimal 26781540
16 Hexadecimal 57405c0
20 Vigesimal 18bg468
36 Base36 1igxxc

Cryptographic Hash Functions

md5 f0c626d2aa82b10667eff4fcccb195d9
sha1 32eadb6f20fdf912774f661bd078f3ed0043c6a3
sha256 5c0e27f41aec2fcb4a307f74c33d016ee611ec7430b04a7b466707286aa8215e
sha512 e0c155838320ddca47a1a7496254605073fe27cccc0f95f118fea322d3d898407f3dfd9975de3147118615d398ee99b284d34ce5a2bb96dc5dc4eeec3ac4ca8b
ripemd-160 4f59863a9c4eeafa76ff6bce1ac49fed5cd5b4ab

91489728 as geometric shapes

Circle

Radius = n
Diameter 182979456
Circumference 574846914.72746
Area 2.6296293935027E+16

Sphere

Radius = n
Volume 3.2077877060316E+24
Surface area 1.0518517574011E+17
Circumference 574846914.72746

Square

Length = n
Perimeter 365958912
Area 8370370329513984
Diagonal 129386014.15543

Cube

Length = n
Surface area 50222221977083904
Volume 7.658029047065E+23
Space diagonal 158464857.26666

Equilateral Triangle

Length = n
Perimeter 274469184
Area 3.6244766722213E+15
Altitude 79232428.633328

Triangular Pyramid

Length = n
Surface area 3.6244766722213E+15
Volume 9.0250737828388E+22
Height 43128671.385142