68638489 (number)

68638489 is an odd 8-digits composite number following 68638488 and preceding 68638490. In scientific notation, it is written as 6.8638489 × 10^7. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 67488000 positive integers (up to 68638489) that are relatively prime to 68638489.

Interesting facts

Basic properties

Name

Name sixty-eight million six hundred thirty-eight thousand four hundred eighty-nine

Notation

Scientific notation 6.8638489 × 10^7
Engineering notation 6.8638489 × 10^6

Prime Factorization of 68638489

Prime Factorization 149 × 101 × 4561

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68638489
Product of the distinct prime numbers

The prime factorization of 68638489 is 149 × 101 × 4561. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68638489)

Multiplication

n×y
n×2 137276978
n×3 205915467
n×4 274553956
n×5 343192445

Division

n÷y
n÷2 34319244.5
n÷3 22879496.333333
n÷3 17159622.25
n÷5 13727697.8

Exponentiation

ny
n2 4711242172203121
n3 3.233725440131E+23
n4 2.2195802805145E+31
n5 1.5234863666871E+39

Nth Root

y√n
2√n 8284.834880672
3√n 409.43902857254
4√n 91.021068334051
5√n 36.924408151725

Divisors of 68638489

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 -68638488
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 68638489 can be divided by 8 positive divisors. The sum of these divisors (counting 68638489) is 1, the average is 0.125.

Base conversion 68638489

Base System Value
2 Binary 100000101110101011100011001
3 Ternary 11210011012022021
4 Quaternary 10011311130121
5 Quinary 120032412424
6 Senary 10451054441
8 Octal 405653431
10 Decimal 68638489
12 Duodecimal 1aba1421
16 Hexadecimal 4175719
20 Vigesimal 118jg49
36 Base36 14v5sp

Cryptographic Hash Functions

md5 6b50b407575fc4b8c2ac0efaf34981c7
sha1 fe619b70abb7ca5be01a1c2b8af6deba98fe20bf
sha256 a152f48b6e42f252f373803afba18471dee12d1b26ef347196791d948e1fe62d
sha512 bc183d79dc042bfe2d5a556b50090ed5913b60909d2e35a9c98d1157f32edf26da684d3d07294b1bbd402161ca3146e15ff2f8ea293e152bc6369c89894b5ff2
ripemd-160 37a36c843798cf2eba2f408474d1dff443080793

68638489 as geometric shapes

Circle

Radius = n
Diameter 137276978
Circumference 431268345.59181
Area 1.4800803797476E+16

Sphere

Radius = n
Volume 1.3545397448589E+24
Surface area 5.9203215189903E+16
Circumference 431268345.59181

Square

Length = n
Perimeter 274553956
Area 4711242172203121
Diagonal 97069482.044597

Cube

Length = n
Surface area 28267453033218726
Volume 3.233725440131E+23
Space diagonal 118885350.30276

Equilateral Triangle

Length = n
Perimeter 205915467
Area 2.0400277022542E+15
Altitude 59442675.151379

Triangular Pyramid

Length = n
Surface area 2.0400277022542E+15
Volume 3.8109819786868E+22
Height 32356494.014866