78389640 (number)

78389640 is an even 8-digits composite number following 78389639 and preceding 78389641. In scientific notation, it is written as 7.8389640 × 10^7. The sum of its digits is 45. It has a total of 7 prime factors and 64 positive divisors. There are 17915904 positive integers (up to 78389640) that are relatively prime to 78389640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8389640 × 10^7
Engineering notation 7.8389640 × 10^6

Prime Factorization of 78389640

Prime Factorization 2 × 2 × 2 × 9 × 15 × 7 × 10369

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 19597410
Product of the distinct prime numbers

The prime factorization of 78389640 is 2 × 2 × 2 × 9 × 15 × 7 × 10369. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 3, 39, 19, 636, 208, 1536, 6829, 96030, 90907, 151260, 861105, 1890503, 497721, 76518122, 89504633, 464629796, 268903936, 9016152208, 8159095505

Basic calculations (n = 78389640)

Multiplication

n×y
n×2 156779280
n×3 235168920
n×4 313558560
n×5 391948200

Division

n÷y
n÷2 39194820
n÷3 26129880
n÷3 19597410
n÷5 15677928

Exponentiation

ny
n2 6144935659329600
n3 4.8169929415801E+23
n4 3.7760234257301E+31
n5 2.9600111697455E+39

Nth Root

y√n
2√n 8853.7924077765
3√n 427.97613923521
4√n 94.094592872154
5√n 37.918551080196

Divisors of 78389640

1, 2, 4, 7, 8, 9, 14, 15, 18, 28, 30, 36, 56, 60, 63, 72, 105, 120, 126, 135, 210, 252, 270, 420, 504, 540, 840, 945, 1080, 1890, 3780, 7560, 10369, 20738, 41476, 72583, 82952, 93321, 145166, 155535, 186642, 290332, 311070, 373284, 580664, 622140, 653247, 746568, 1088745, 1244280, 1306494, 1399815, 2177490, 2612988, 2799630, 4354980, 5225976, 5599260, 8709960, 9798705, 11198520, 19597410, 39194820, 78389640

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 -78389639
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 78389640 can be divided by 64 positive divisors. The sum of these divisors (counting 78389640) is 1, the average is 0.015625.

Base conversion 78389640

Base System Value
2 Binary 100101011000010000110001000
3 Ternary 12110111121101000
4 Quaternary 10223002012020
5 Quinary 130031432030
6 Senary 11440055000
8 Octal 453020610
10 Decimal 78389640
12 Duodecimal 22304460
16 Hexadecimal 4ac2188
20 Vigesimal 149ie20
36 Base36 1ao5u0

Cryptographic Hash Functions

md5 977a292b5d00815898d40306a7f33fed
sha1 27f88555efff1c26315173f79f332f6ac2d9fda9
sha256 96ec01b7f06b939f6f8462c6f408898354f2f9daf340fafab17a1f2fb9826ebc
sha512 e50ab65bb0c9c841f631a0462fda89af7299fb46cce9c4b87aaf25a316befe5cc6c1f3c4063852e87bea89466ac26e858ef07084ed9e55a200d0db4ae6235989
ripemd-160 ebc0236f4c9b949f6856f92d88e7a5520d8e102a

78389640 as geometric shapes

Circle

Radius = n
Diameter 156779280
Circumference 492536634.2831
Area 1.9304884724132E+16

Sphere

Radius = n
Volume 2.0177372850216E+24
Surface area 7.7219538896527E+16
Circumference 492536634.2831

Square

Length = n
Perimeter 313558560
Area 6144935659329600
Diagonal 110859692.03754

Cube

Length = n
Surface area 36869613955977600
Volume 4.8169929415801E+23
Space diagonal 135774839.26703

Equilateral Triangle

Length = n
Perimeter 235168920
Area 2.6608351928002E+15
Altitude 67887419.633517

Triangular Pyramid

Length = n
Surface area 2.6608351928002E+15
Volume 5.6768806231984E+22
Height 36953230.679181