68686989 (number)

68686989 is an odd 8-digits composite number following 68686988 and preceding 68686990. In scientific notation, it is written as 6.8686989 × 10^7. The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors. There are 38965680 positive integers (up to 68686989) that are relatively prime to 68686989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8686989 × 10^7
Engineering notation 6.8686989 × 10^6

Prime Factorization of 68686989

Prime Factorization 417 × 7 × 23531

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68686989
Product of the distinct prime numbers

The prime factorization of 68686989 is 417 × 7 × 23531. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68686989)

Multiplication

n×y
n×2 137373978
n×3 206060967
n×4 274747956
n×5 343434945

Division

n÷y
n÷2 34343494.5
n÷3 22895663
n÷3 17171747.25
n÷5 13737397.8

Exponentiation

ny
n2 4717902457886121
n3 3.240585142279E+23
n4 2.2258603602128E+31
n5 1.5288764607747E+39

Nth Root

y√n
2√n 8287.7613985925
3√n 409.53544249343
4√n 91.0371429615
5√n 36.929624839546

Divisors of 68686989

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 -68686988
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 68686989 can be divided by 8 positive divisors. The sum of these divisors (counting 68686989) is 1, the average is 0.125.

Base conversion 68686989

Base System Value
2 Binary 100000110000001010010001101
3 Ternary 11210020122211120
4 Quaternary 10012001102031
5 Quinary 120040440424
6 Senary 10452111153
8 Octal 406012215
10 Decimal 68686989
12 Duodecimal 1b0054b9
16 Hexadecimal 418148d
20 Vigesimal 1195h99
36 Base36 14w77x

Cryptographic Hash Functions

md5 4c58e4dab8fd60bf05a780cc966c8085
sha1 5a2a9833baf50391042e0f18fa4c49cb907d261f
sha256 90edf659b8050f7093c722f5736256a35d30bfd47741e1fb685e62847454853b
sha512 5ff733e1c95f75d74e651e8df588e020073d46846df123c5358b1e09c6b7cbbccd0bcdaef8bac0b10ccce32f502215411ac5a7e8f16dd92c5238d44f0e0d944d
ripemd-160 a691b06eb2ef72b6cb61aaf67f013b265e0b4a8b

68686989 as geometric shapes

Circle

Radius = n
Diameter 137373978
Circumference 431573080.07921
Area 1.4821727702048E+16

Sphere

Radius = n
Volume 1.3574131301754E+24
Surface area 5.9286910808193E+16
Circumference 431573080.07921

Square

Length = n
Perimeter 274747956
Area 4717902457886121
Diagonal 97138071.402372

Cube

Length = n
Surface area 28307414747316726
Volume 3.240585142279E+23
Space diagonal 118969354.76692

Equilateral Triangle

Length = n
Perimeter 206060967
Area 2.0429116905532E+15
Altitude 59484677.383462

Triangular Pyramid

Length = n
Surface area 2.0429116905532E+15
Volume 3.8190662151964E+22
Height 32379357.134124