68006988 (number)

68006988 is an even 8-digits composite number following 68006987 and preceding 68006989. In scientific notation, it is written as 6.8006988 × 10^7. The sum of its digits is 45. It has a total of 7 prime factors and 72 positive divisors. There are 19323360 positive integers (up to 68006988) that are relatively prime to 68006988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8006988 × 10^7
Engineering notation 6.8006988 × 10^6

Prime Factorization of 68006988

Prime Factorization 2 × 2 × 3 × 7 × 3 × 211 × 1279

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 11334498
Product of the distinct prime numbers

The prime factorization of 68006988 is 2 × 2 × 3 × 7 × 3 × 211 × 1279. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68006988)

Multiplication

n×y
n×2 136013976
n×3 204020964
n×4 272027952
n×5 340034940

Division

n÷y
n÷2 34003494
n÷3 22668996
n÷3 17001747
n÷5 13601397.6

Exponentiation

ny
n2 4624950416832144
n3 3.145289474981E+23
n4 2.1390166358156E+31
n5 1.4546807868371E+39

Nth Root

y√n
2√n 8246.6349500872
3√n 408.17949138236
4√n 90.810984743517
5√n 36.856212913291

Divisors of 68006988

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68006987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68006988 can be divided by 72 positive divisors. The sum of these divisors (counting 68006988) is 1, the average is 0.013888888888889.

Base conversion 68006988

Base System Value
2 Binary 100000011011011010001001100
3 Ternary 11201222010001100
4 Quaternary 10003123101030
5 Quinary 114402210423
6 Senary 10425343100
8 Octal 403332114
10 Decimal 68006988
12 Duodecimal 1a937a90
16 Hexadecimal 40db44c
20 Vigesimal 1150h98
36 Base36 14hmj0

Cryptographic Hash Functions

md5 3aa43fd11991022e41b1731015398c92
sha1 6bd153e974528dbcb2527e2fd51795339cd53250
sha256 9735d6605b30e41ca7a1a343fbea8c40dc821574fcee4f6b04dbc51458481b4e
sha512 a37f02d2d8aff4193ec13775bbbc51bfe4696d02793e68ac7ee4c1d6c02c8b02a83da48c7450aed67a7ede494a38d65eb4171976d30185835cc8cda8d44bed7b
ripemd-160 cfecfa4a3ba4e2222db0711c8d521593f094ee7e

68006988 as geometric shapes

Circle

Radius = n
Diameter 136013976
Circumference 427300507.78714
Area 1.4529710252737E+16

Sphere

Radius = n
Volume 1.3174957744018E+24
Surface area 5.8118841010948E+16
Circumference 427300507.78714

Square

Length = n
Perimeter 272027952
Area 4624950416832144
Diagonal 96176404.765744

Cube

Length = n
Surface area 27749702500992864
Volume 3.145289474981E+23
Space diagonal 117791558.48573

Equilateral Triangle

Length = n
Perimeter 204020964
Area 2.00266227611E+15
Altitude 58895779.242863

Triangular Pyramid

Length = n
Surface area 2.00266227611E+15
Volume 3.7067591942562E+22
Height 32058801.588581