68508728 (number)

68508728 is an even 8-digits composite number following 68508727 and preceding 68508729. In scientific notation, it is written as 6.8508728 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 16 positive divisors. There are 34229536 positive integers (up to 68508728) that are relatively prime to 68508728.

Interesting facts

Basic properties

Name

Name sixty-eight million five hundred eight thousand seven hundred twenty-eight

Notation

Scientific notation 6.8508728 × 10^7
Engineering notation 6.8508728 × 10^6

Prime Factorization of 68508728

Prime Factorization 2 × 2 × 2 × 2069 × 4139

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 17127182
Product of the distinct prime numbers

The prime factorization of 68508728 is 2 × 2 × 2 × 2069 × 4139. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 7, 70, 30, 754, 458, 8511, 3990, 98003, 97691, 72852, 35789, 6405903, 7397710, 65255470, 63745411, 528106487, 981962879, 2836724185, 8258084271

Basic calculations (n = 68508728)

Multiplication

n×y
n×2 137017456
n×3 205526184
n×4 274034912
n×5 342543640

Division

n÷y
n÷2 34254364
n÷3 22836242.666667
n÷3 17127182
n÷5 13701745.6

Exponentiation

ny
n2 4693445812177984
n3 3.2154200252924E+23
n4 2.2028433591851E+31
n5 1.5091399652102E+39

Nth Root

y√n
2√n 8276.9999395916
3√n 409.18085110771
4√n 90.978018991357
5√n 36.910436470451

Divisors of 68508728

1, 2, 4, 8, 2069, 4138, 4139, 8276, 8278, 16552, 16556, 33112, 8563591, 17127182, 34254364, 68508728

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68508727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68508728 can be divided by 16 positive divisors. The sum of these divisors (counting 68508728) is 1, the average is 0.0625.

Base conversion 68508728

Base System Value
2 Binary 100000101010101110000111000
3 Ternary 11202220121022022
4 Quaternary 10011111300320
5 Quinary 120014234403
6 Senary 10444214012
8 Octal 405256070
10 Decimal 68508728
12 Duodecimal 1ab3a308
16 Hexadecimal 4155c38
20 Vigesimal 1183bg8
36 Base36 14sdo8

Cryptographic Hash Functions

md5 6dbb35e2732100157ce6b12edede05c7
sha1 a09c1c521163ab39838d4effa8b18dc34bfdde98
sha256 cd265c393eee5018f336888be8db3566ff0616317e369028c2d7bd6de2f96d67
sha512 f4927f1c32cca92ce521effeb56054ca6e68346ea8de8e11652982668370dc7fd59a5b72f6381f6d46d28843805d0d331045fe34f5766975199056c3ba045d6b
ripemd-160 4ecc93a6c1632a10dfb881b0beac6d8f79477fde

68508728 as geometric shapes

Circle

Radius = n
Diameter 137017456
Circumference 430453033.18316
Area 1.474489488356E+16

Sphere

Radius = n
Volume 1.3468719906219E+24
Surface area 5.8979579534241E+16
Circumference 430453033.18316

Square

Length = n
Perimeter 274034912
Area 4693445812177984
Diagonal 96885972.278529

Cube

Length = n
Surface area 28160674873067904
Volume 3.2154200252924E+23
Space diagonal 118660597.65792

Equilateral Triangle

Length = n
Perimeter 205526184
Area 2.0323216523159E+15
Altitude 59330298.828958

Triangular Pyramid

Length = n
Surface area 2.0323216523159E+15
Volume 3.7894088404121E+22
Height 32295324.092843