68387890 (number)

68387890 is an even 8-digits composite number following 68387889 and preceding 68387891. In scientific notation, it is written as 6.8387890 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 27250096 positive integers (up to 68387890) that are relatively prime to 68387890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8387890 × 10^7
Engineering notation 6.8387890 × 10^6

Prime Factorization of 68387890

Prime Factorization 2 × 5 × 263 × 26003

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 68387890
Product of the distinct prime numbers

The prime factorization of 68387890 is 2 × 5 × 263 × 26003. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 69, 38, 492, 348, 5376, 850, 96397, 41136, 544388, 112592, 1838382, 2715266, 31222291, 54019380, 958385759, 138623922, 3713126142, 3737326262

Basic calculations (n = 68387890)

Multiplication

n×y
n×2 136775780
n×3 205163670
n×4 273551560
n×5 341939450

Division

n÷y
n÷2 34193945
n÷3 22795963.333333
n÷3 17096972.5
n÷5 13677578

Exponentiation

ny
n2 4676903498652100
n3 3.1984356200643E+23
n4 2.1873426335704E+31
n5 1.4958774741692E+39

Nth Root

y√n
2√n 8269.697092397
3√n 408.94013387196
4√n 90.937874905878
5√n 36.897406500123

Divisors of 68387890

1, 2, 5, 10, 263, 526, 1315, 2630, 26003, 52006, 130015, 260030, 6838789, 13677578, 34193945, 68387890

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 -68387889
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 68387890 can be divided by 16 positive divisors. The sum of these divisors (counting 68387890) is 1, the average is 0.0625.

Base conversion 68387890

Base System Value
2 Binary 100000100111000010000110010
3 Ternary 11202200110112211
4 Quaternary 10010320100302
5 Quinary 120001403030
6 Senary 10441442334
8 Octal 404702062
10 Decimal 68387890
12 Duodecimal 1aaa03aa
16 Hexadecimal 4138432
20 Vigesimal 11789ea
36 Base36 14psfm

Cryptographic Hash Functions

md5 9bbeb73478f8e5489c3f9ff0e099a1a2
sha1 3b40606e16e6484c8ce8a6265da3c5f8b7ca4995
sha256 bbb59aea9c43b40199b92689265cf0d159b52f718d1ad6a8e9bde3a960fdf348
sha512 07e9beb4d748cfb79dce665e30c2acec65d3b1e059e48d6c65dbf45e635c4594852799e49a716624fbc8559957453fd06726335e4d951ade83769372743dbd1f
ripemd-160 f5ba4c63d9cbd4089b35b154bea535b9c1bfbbfd

68387890 as geometric shapes

Circle

Radius = n
Diameter 136775780
Circumference 429693785.63701
Area 1.4692925672914E+16

Sphere

Radius = n
Volume 1.3397575795965E+24
Surface area 5.8771702691655E+16
Circumference 429693785.63701

Square

Length = n
Perimeter 273551560
Area 4676903498652100
Diagonal 96715081.540079

Cube

Length = n
Surface area 28061420991912600
Volume 3.1984356200643E+23
Space diagonal 118451300.10243

Equilateral Triangle

Length = n
Perimeter 205163670
Area 2.0251586204405E+15
Altitude 59225650.051216

Triangular Pyramid

Length = n
Surface area 2.0251586204405E+15
Volume 3.7693925268935E+22
Height 32238360.51336