68505890 (number)

68505890 is an even 8-digits composite number following 68505889 and preceding 68505891. In scientific notation, it is written as 6.8505890 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 27402352 positive integers (up to 68505890) that are relatively prime to 68505890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8505890 × 10^7
Engineering notation 6.8505890 × 10^6

Prime Factorization of 68505890

Prime Factorization 2 × 5 × 6850589

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68505890
Product of the distinct prime numbers

The prime factorization of 68505890 is 2 × 5 × 6850589. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68505890)

Multiplication

n×y
n×2 137011780
n×3 205517670
n×4 274023560
n×5 342529450

Division

n÷y
n÷2 34252945
n÷3 22835296.666667
n÷3 17126472.5
n÷5 13701178

Exponentiation

ny
n2 4693056964692100
n3 3.2150204418693E+23
n4 2.2024783673845E+31
n5 1.5088274076342E+39

Nth Root

y√n
2√n 8276.8284988877
3√n 409.17520087245
4√n 90.977076776998
5√n 36.910130659622

Divisors of 68505890

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 -68505889
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 68505890 can be divided by 8 positive divisors. The sum of these divisors (counting 68505890) is 1, the average is 0.125.

Base conversion 68505890

Base System Value
2 Binary 100000101010101000100100010
3 Ternary 11202220110102012
4 Quaternary 10011111010202
5 Quinary 120014142030
6 Senary 10444152522
8 Octal 405250442
10 Decimal 68505890
12 Duodecimal 1ab38742
16 Hexadecimal 4155122
20 Vigesimal 11834ea
36 Base36 14sbhe

Cryptographic Hash Functions

md5 cb988375d19436ed8a88f378ec1b5d1c
sha1 58f3a596ac6ea4fa2aa3e663a343f21120dc8b82
sha256 5a7f50b98bacd4d5b54af2c8024f20279ea667402b25ca61f54ea6945d9a4702
sha512 adcca106fa98f0c3724539eeff94111e1a01d4bf047348fe77d7fb5a9d3f76068fb5fb6bdbd5a11abe628823acf9318ab81d03aed6818d1f738d816f3bc6618b
ripemd-160 7a8b384f87174824799709b1834f4f092fff6f4e

68505890 as geometric shapes

Circle

Radius = n
Diameter 137011780
Circumference 430435201.50326
Area 1.4743673283155E+16

Sphere

Radius = n
Volume 1.346704613509E+24
Surface area 5.897469313262E+16
Circumference 430435201.50326

Square

Length = n
Perimeter 274023560
Area 4693056964692100
Diagonal 96881958.740439

Cube

Length = n
Surface area 28158341788152600
Volume 3.2150204418693E+23
Space diagonal 118655682.09772

Equilateral Triangle

Length = n
Perimeter 205517670
Area 2.0321532764154E+15
Altitude 59327841.048862

Triangular Pyramid

Length = n
Surface area 2.0321532764154E+15
Volume 3.7889379268319E+22
Height 32293986.246813