68385890 (number)

68385890 is an even 8-digits composite number following 68385889 and preceding 68385891. In scientific notation, it is written as 6.8385890 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 27354352 positive integers (up to 68385890) that are relatively prime to 68385890.

Interesting facts

Basic properties

Name

Name sixty-eight million three hundred eighty-five thousand eight hundred ninety

Notation

Scientific notation 6.8385890 × 10^7
Engineering notation 6.8385890 × 10^6

Prime Factorization of 68385890

Prime Factorization 2 × 5 × 6838589

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68385890
Product of the distinct prime numbers

The prime factorization of 68385890 is 2 × 5 × 6838589. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68385890)

Multiplication

n×y
n×2 136771780
n×3 205157670
n×4 273543560
n×5 341929450

Division

n÷y
n÷2 34192945
n÷3 22795296.666667
n÷3 17096472.5
n÷5 13677178

Exponentiation

ny
n2 4676629951092100
n3 3.1981550140609E+23
n4 2.1870867699452E+31
n5 1.4956587526993E+39

Nth Root

y√n
2√n 8269.5761680995
3√n 408.93614735602
4√n 90.937210030326
5√n 36.897190685083

Divisors of 68385890

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 -68385889
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 68385890 can be divided by 8 positive divisors. The sum of these divisors (counting 68385890) is 1, the average is 0.125.

Base conversion 68385890

Base System Value
2 Binary 100000100110111110001100010
3 Ternary 11202200100210202
4 Quaternary 10010313301202
5 Quinary 120001322030
6 Senary 10441425202
8 Octal 404676142
10 Decimal 68385890
12 Duodecimal 1aa9b202
16 Hexadecimal 4137c62
20 Vigesimal 11784ea
36 Base36 14pqw2

Cryptographic Hash Functions

md5 8201e337fe7ab69d6e1fe4519ab9ceb0
sha1 7f9db4f6fc2b49ca0b8c7bb4027c3ca8f04e8877
sha256 e4e9fa62db834ed787d580b68197ebe4a5f58de853094a8cf213b99bea8da92f
sha512 2f2105f2128bb92dea1f70c80d99a0d26671295b400a58933f1a900068cde9bdbca5d8ec70a14f895cf5eb3c074e1d09ba5c0a563c2785d89e367b0bc25e9d57
ripemd-160 a97f58b5d1dec7b8236b2bcd37ad33cccb489bbd

68385890 as geometric shapes

Circle

Radius = n
Diameter 136771780
Circumference 429681219.2664
Area 1.4692066297909E+16

Sphere

Radius = n
Volume 1.3396400396287E+24
Surface area 5.8768265191636E+16
Circumference 429681219.2664

Square

Length = n
Perimeter 273543560
Area 4676629951092100
Diagonal 96712253.112955

Cube

Length = n
Surface area 28059779706552600
Volume 3.1981550140609E+23
Space diagonal 118447836.00082

Equilateral Triangle

Length = n
Perimeter 205157670
Area 2.0250401708725E+15
Altitude 59223918.000408

Triangular Pyramid

Length = n
Surface area 2.0250401708725E+15
Volume 3.769061829547E+22
Height 32237417.704318