68888921 (number)

68888921 is an odd 8-digits composite number following 68888920 and preceding 68888922. In scientific notation, it is written as 6.8888921 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 68058852 positive integers (up to 68888921) that are relatively prime to 68888921.

Interesting facts

Basic properties

Name

Name sixty-eight million eight hundred eighty-eight thousand nine hundred twenty-one

Notation

Scientific notation 6.8888921 × 10^7
Engineering notation 6.8888921 × 10^6

Prime Factorization of 68888921

Prime Factorization 83 × 829987

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 68888921
Product of the distinct prime numbers

The prime factorization of 68888921 is 83 × 829987. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68888921)

Multiplication

n×y
n×2 137777842
n×3 206666763
n×4 275555684
n×5 344444605

Division

n÷y
n÷2 34444460.5
n÷3 22962973.666667
n÷3 17222230.25
n÷5 13777784.2

Exponentiation

ny
n2 4745683436544241
n3 3.269250113511E+23
n4 2.252151127989E+31
n5 1.551482611361E+39

Nth Root

y√n
2√n 8299.9349997455
3√n 409.93637918243
4√n 91.103979055503
5√n 36.95131313636

Divisors of 68888921

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68888920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68888921 can be divided by 4 positive divisors. The sum of these divisors (counting 68888921) is 1, the average is 0.25.

Base conversion 68888921

Base System Value
2 Binary 100000110110010100101011001
3 Ternary 11210121220211112
4 Quaternary 10012302211121
5 Quinary 120113421141
6 Senary 10500310105
8 Octal 406624531
10 Decimal 68888921
12 Duodecimal 1b0a2335
16 Hexadecimal 41b2959
20 Vigesimal 11ab261
36 Base36 150j15

Cryptographic Hash Functions

md5 18a57053365892c7b59ce80aa1fd24da
sha1 7570b651362d7eb0fe826fbbaf29cda8381e6863
sha256 36b74c2e89897cec61f1ae36e6719d2d82cb912d696be6200630fa5d4bb75bc8
sha512 63afa689bd7c6d2ab1b51f8d684abf217d118d69287dab9ab791f288aa056fdfe3280e18ce7705127fcf21a4cb6a99abfe33ce19d0590a279d3e755b34eb99e0
ripemd-160 e23635eb450706a4f4323b61d0263185a1ccb71b

68888921 as geometric shapes

Circle

Radius = n
Diameter 137777842
Circumference 432841856.25466
Area 1.490900422051E+16

Sphere

Radius = n
Volume 1.3694202852472E+24
Surface area 5.9636016882041E+16
Circumference 432841856.25466

Square

Length = n
Perimeter 275555684
Area 4745683436544241
Diagonal 97423646.375449

Cube

Length = n
Surface area 28474100619265446
Volume 3.269250113511E+23
Space diagonal 119319111.2506

Equilateral Triangle

Length = n
Perimeter 206666763
Area 2.0549412071832E+15
Altitude 59659555.625299

Triangular Pyramid

Length = n
Surface area 2.0549412071832E+15
Volume 3.8528482077643E+22
Height 32474548.791816