68389640 (number)

68389640 is an even 8-digits composite number following 68389639 and preceding 68389641. In scientific notation, it is written as 6.8389640 × 10^7. The sum of its digits is 44. It has a total of 7 prime factors and 64 positive divisors. There are 22732800 positive integers (up to 68389640) that are relatively prime to 68389640.

Interesting facts

Basic properties

Name

Name sixty-eight million three hundred eighty-nine thousand six hundred forty

Notation

Scientific notation 6.8389640 × 10^7
Engineering notation 6.8389640 × 10^6

Prime Factorization of 68389640

Prime Factorization 2 × 2 × 2 × 5 × 697 × 11 × 223

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 17097410
Product of the distinct prime numbers

The prime factorization of 68389640 is 2 × 2 × 2 × 5 × 697 × 11 × 223. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 10, 91, 26, 124, 943, 1194, 5430, 85273, 5243, 968651, 962839, 4673423, 2678266, 98497778, 83021667, 332869348, 743259604, 8914535732, 5978164661

Basic calculations (n = 68389640)

Multiplication

n×y
n×2 136779280
n×3 205168920
n×4 273558560
n×5 341948200

Division

n÷y
n÷2 34194820
n÷3 22796546.666667
n÷3 17097410
n÷5 13677928

Exponentiation

ny
n2 4677142859329600
n3 3.1986811637812E+23
n4 2.1875665326578E+31
n5 1.4960688764451E+39

Nth Root

y√n
2√n 8269.8028997069
3√n 408.94362200965
4√n 90.938456660023
5√n 36.897595334142

Divisors of 68389640

1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 223, 440, 446, 697, 892, 1115, 1394, 1784, 2230, 2453, 2788, 3485, 4460, 4906, 5576, 6970, 7667, 8920, 9812, 12265, 13940, 15334, 19624, 24530, 27880, 30668, 38335, 49060, 61336, 76670, 98120, 153340, 155431, 306680, 310862, 621724, 777155, 1243448, 1554310, 1709741, 3108620, 3419482, 6217240, 6838964, 8548705, 13677928, 17097410, 34194820, 68389640

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68389639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68389640 can be divided by 64 positive divisors. The sum of these divisors (counting 68389640) is 1, the average is 0.015625.

Base conversion 68389640

Base System Value
2 Binary 100000100111000101100001000
3 Ternary 11202200112221122
4 Quaternary 10010320230020
5 Quinary 120001432030
6 Senary 10441454412
8 Octal 404705410
10 Decimal 68389640
12 Duodecimal 1aaa1408
16 Hexadecimal 4138b08
20 Vigesimal 1178e20
36 Base36 14pts8

Cryptographic Hash Functions

md5 376b1e0c793a9d412138845db2f0ca2b
sha1 7c96dc4c9c2897e7b72e732b07dabe3a956a0aee
sha256 1b793388628be11321b3a88e06aa89b6b2401c314baeca47ca23bab801cc5d03
sha512 4d8a8bc27e25d77c5309abc6c225d7a002feff40fd6128cdd3d0917fc70af1b04b43435b1327b88ebf9492aa11a205e9943e0f793766315acb63a8f910cdfb7b
ripemd-160 ebb2caa76181e21e8e1866608180f86f0640f34d

68389640 as geometric shapes

Circle

Radius = n
Diameter 136779280
Circumference 429704781.2113
Area 1.469367764666E+16

Sphere

Radius = n
Volume 1.3398604327082E+24
Surface area 5.8774710586639E+16
Circumference 429704781.2113

Square

Length = n
Perimeter 273558560
Area 4677142859329600
Diagonal 96717556.413814

Cube

Length = n
Surface area 28062857155977600
Volume 3.1986811637812E+23
Space diagonal 118454331.19134

Equilateral Triangle

Length = n
Perimeter 205168920
Area 2.0252622666542E+15
Altitude 59227165.595672

Triangular Pyramid

Length = n
Surface area 2.0252622666542E+15
Volume 3.769681902939E+22
Height 32239185.471271