90787989 (number)

90787989 is an odd 8-digits composite number following 90787988 and preceding 90787990. In scientific notation, it is written as 9.0787989 × 10^7. The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors. There are 60089616 positive integers (up to 90787989) that are relatively prime to 90787989.

Interesting facts

Basic properties

Name

Name ninety million seven hundred eighty-seven thousand nine hundred eighty-nine

Notation

Scientific notation 9.0787989 × 10^7
Engineering notation 9.0787989 × 10^6

Prime Factorization of 90787989

Prime Factorization 3 × 139 × 217717

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 90787989
Product of the distinct prime numbers

The prime factorization of 90787989 is 3 × 139 × 217717. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 90787989)

Multiplication

n×y
n×2 181575978
n×3 272363967
n×4 363151956
n×5 453939945

Division

n÷y
n÷2 45393994.5
n÷3 30262663
n÷3 22696997.25
n÷5 18157597.8

Exponentiation

ny
n2 8242458946664121
n3 7.4831627218269E+23
n4 6.7938129487443E+31
n5 6.1679661525866E+39

Nth Root

y√n
2√n 9528.2731384024
3√n 449.44456408912
4√n 97.612873835383
5√n 39.048619010686

Divisors of 90787989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -90787988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 90787989 can be divided by 8 positive divisors. The sum of these divisors (counting 90787989) is 1, the average is 0.125.

Base conversion 90787989

Base System Value
2 Binary 101011010010101000010010101
3 Ternary 20022211111201010
4 Quaternary 11122111002111
5 Quinary 141220203424
6 Senary 13001522433
8 Octal 532250225
10 Decimal 90787989
12 Duodecimal 264a3419
16 Hexadecimal 5695095
20 Vigesimal 18789j9
36 Base36 1i1wgl

Cryptographic Hash Functions

md5 67bf97b1c7947caf94cff796b78f7b1d
sha1 823752ddfe9ad3b6a2295b6777821497aa961a94
sha256 10b13be12ada12ce9ff4c7699c655870a4ced55d228d06330495a6b90ab67794
sha512 d0cb7303395a0c5743b5fd5328fb621fa86f7dcd62469e70e612ede6b5b5d60040adc5b470b29e106629cd9cf2764b9c3f43ab5d0c47881d61c5d24f323a829b
ripemd-160 2b377021763b346e301794a9938098b572fa173a

90787989 as geometric shapes

Circle

Radius = n
Diameter 181575978
Circumference 570437758.55318
Area 2.5894448474355E+16

Sphere

Radius = n
Volume 3.1345398710011E+24
Surface area 1.0357779389742E+17
Circumference 570437758.55318

Square

Length = n
Perimeter 363151956
Area 8242458946664121
Diagonal 128393605.34438

Cube

Length = n
Surface area 49454753679984726
Volume 7.4831627218269E+23
Space diagonal 157249409.665

Equilateral Triangle

Length = n
Perimeter 272363967
Area 3.5690894187307E+15
Altitude 78624704.832502

Triangular Pyramid

Length = n
Surface area 3.5690894187307E+15
Volume 8.8189918422104E+22
Height 42797868.448126