68454987 (number)

68454987 is an odd 8-digits composite number following 68454986 and preceding 68454988. In scientific notation, it is written as 6.8454987 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 45589920 positive integers (up to 68454987) that are relatively prime to 68454987.

Interesting facts

Basic properties

Name

Name sixty-eight million four hundred fifty-four thousand nine hundred eighty-seven

Notation

Scientific notation 6.8454987 × 10^7
Engineering notation 6.8454987 × 10^6

Prime Factorization of 68454987

Prime Factorization 3 × 1021 × 22349

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68454987
Product of the distinct prime numbers

The prime factorization of 68454987 is 3 × 1021 × 22349. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68454987)

Multiplication

n×y
n×2 136909974
n×3 205364961
n×4 273819948
n×5 342274935

Division

n÷y
n÷2 34227493.5
n÷3 22818329
n÷3 17113746.75
n÷5 13690997.4

Exponentiation

ny
n2 4686085245170169
n3 3.2078590453902E+23
n4 2.1959394925002E+31
n5 1.5032300941188E+39

Nth Root

y√n
2√n 8273.7528969628
3√n 409.07383048343
4√n 90.960172036792
5√n 36.904643846577

Divisors of 68454987

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 -68454986
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 68454987 can be divided by 8 positive divisors. The sum of these divisors (counting 68454987) is 1, the average is 0.125.

Base conversion 68454987

Base System Value
2 Binary 100000101001000101001001011
3 Ternary 11202210212120220
4 Quaternary 10011020221023
5 Quinary 120011024422
6 Senary 10443121123
8 Octal 405105113
10 Decimal 68454987
12 Duodecimal 1ab131a3
16 Hexadecimal 4148a4b
20 Vigesimal 117gh97
36 Base36 14r87f

Cryptographic Hash Functions

md5 08c72f241060b96ce07c6e25b10fa081
sha1 bf41d867f90d202b2846c321486c0a1fdbc617e7
sha256 e331afdd12c38a87fbacba17316340671f9b22a1b9f03520ecbddd6429b0dbcd
sha512 f01d2f671c0735b046313a0dd986c81ff74aec6d3111098f76387e8138bd7cc9327d40c4b90f8c9d39ea82238be98a9adb4a326d081879801c79d6f5b97792ed
ripemd-160 ad26ac0fc5490cb667be2a7f7614ef824214408d

68454987 as geometric shapes

Circle

Radius = n
Diameter 136909974
Circumference 430115368.52157
Area 1.4721770980322E+16

Sphere

Radius = n
Volume 1.3437048547666E+24
Surface area 5.8887083921289E+16
Circumference 430115368.52157

Square

Length = n
Perimeter 273819948
Area 4686085245170169
Diagonal 96809971.027474

Cube

Length = n
Surface area 28116511471021014
Volume 3.2078590453902E+23
Space diagonal 118567515.51547

Equilateral Triangle

Length = n
Perimeter 205364961
Area 2.0291344333084E+15
Altitude 59283757.757733

Triangular Pyramid

Length = n
Surface area 2.0291344333084E+15
Volume 3.7804981401433E+22
Height 32269990.342491