68185890 (number)

68185890 is an even 8-digits composite number following 68185889 and preceding 68185891. In scientific notation, it is written as 6.8185890 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 18125856 positive integers (up to 68185890) that are relatively prime to 68185890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8185890 × 10^7
Engineering notation 6.8185890 × 10^6

Prime Factorization of 68185890

Prime Factorization 2 × 3 × 15 × 379 × 1999

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 68185890
Product of the distinct prime numbers

The prime factorization of 68185890 is 2 × 3 × 15 × 379 × 1999. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 4, 64, 81, 218, 573, 5860, 7706, 40526, 79563, 171192, 300312, 6938453, 5295075, 34000936, 41278582, 358496303, 263415438, 2396838390, 8252505270

Basic calculations (n = 68185890)

Multiplication

n×y
n×2 136371780
n×3 204557670
n×4 272743560
n×5 340929450

Division

n÷y
n÷2 34092945
n÷3 22728630
n÷3 17046472.5
n÷5 13637178

Exponentiation

ny
n2 4649315595092100
n3 3.1701772174223E+23
n4 2.1616135502767E+31
n5 1.4739154376167E+39

Nth Root

y√n
2√n 8257.4747956019
3√n 408.53710260977
4√n 90.870648702438
5√n 36.875583637141

Divisors of 68185890

1, 2, 3, 6, 15, 30, 45, 90, 379, 758, 1137, 1999, 2274, 3998, 5685, 5997, 11370, 11994, 17055, 29985, 34110, 59970, 89955, 179910, 757621, 1515242, 2272863, 4545726, 11364315, 22728630, 34092945, 68185890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68185889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68185890 can be divided by 32 positive divisors. The sum of these divisors (counting 68185890) is 1, the average is 0.03125.

Base conversion 68185890

Base System Value
2 Binary 100000100000110111100100010
3 Ternary 11202022012110100
4 Quaternary 10010012330202
5 Quinary 114423422030
6 Senary 10433243230
8 Octal 404067442
10 Decimal 68185890
12 Duodecimal 1aa03516
16 Hexadecimal 4106f22
20 Vigesimal 11634ea
36 Base36 14lgki

Cryptographic Hash Functions

md5 435790ca4f9295569e4061062cd3d715
sha1 39952328b8a4682eadecb2c43bbb33205f4470ed
sha256 9225ac930fccd7ee65e7f9062ff9ecbfe0c62b27ed328bc53be24e00fc1f8c77
sha512 a50ab19d506056e1240566ef0f44c3a235e09b4ff395de504ea30b9b62e2f256c78d4cb4b2b609e2468b1720cb55d2c4d195f8750f9ec8e60d90dee9bd4630db
ripemd-160 31238a6b1f84a556601d8aef6cbc8287cc3956ce

68185890 as geometric shapes

Circle

Radius = n
Diameter 136371780
Circumference 428424582.20496
Area 1.4606255717762E+16

Sphere

Radius = n
Volume 1.3279207275776E+24
Surface area 5.8425022871047E+16
Circumference 428424582.20496

Square

Length = n
Perimeter 272743560
Area 4649315595092100
Diagonal 96429410.40048

Cube

Length = n
Surface area 27895893570552600
Volume 3.1701772174223E+23
Space diagonal 118101425.8393

Equilateral Triangle

Length = n
Perimeter 204557670
Area 2.0132127077805E+15
Altitude 59050712.919651

Triangular Pyramid

Length = n
Surface area 2.0132127077805E+15
Volume 3.7360896800041E+22
Height 32143136.80016