78839440 (number)

78839440 is an even 8-digits composite number following 78839439 and preceding 78839441. In scientific notation, it is written as 7.8839440 × 10^7. The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors. There are 31535744 positive integers (up to 78839440) that are relatively prime to 78839440.

Interesting facts

Basic properties

Name

Name seventy-eight million eight hundred thirty-nine thousand four hundred forty

Notation

Scientific notation 7.8839440 × 10^7
Engineering notation 7.8839440 × 10^6

Prime Factorization of 78839440

Prime Factorization 2 × 2 × 2 × 2 × 5 × 985493

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 9854930
Product of the distinct prime numbers

The prime factorization of 78839440 is 2 × 2 × 2 × 2 × 5 × 985493. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 9, 82, 4, 756, 191, 2662, 8836, 78962, 89746, 761128, 903564, 64878, 9068008, 65568582, 39895676, 27667718, 543441925, 9401960835, 8712498842

Basic calculations (n = 78839440)

Multiplication

n×y
n×2 157678880
n×3 236518320
n×4 315357760
n×5 394197200

Division

n÷y
n÷2 39419720
n÷3 26279813.333333
n÷3 19709860
n÷5 15767888

Exponentiation

ny
n2 6215657299513600
n3 4.9003894072556E+23
n4 3.8634395664997E+31
n5 3.0459141189668E+39

Nth Root

y√n
2√n 8879.1576177023
3√n 428.79315468578
4√n 94.229282166969
5√n 37.961966899171

Divisors of 78839440

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 985493, 1970986, 3941972, 4927465, 7883944, 9854930, 15767888, 19709860, 39419720, 78839440

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78839439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78839440 can be divided by 20 positive divisors. The sum of these divisors (counting 78839440) is 1, the average is 0.05.

Base conversion 78839440

Base System Value
2 Binary 100101100101111111010010000
3 Ternary 12111100110101021
4 Quaternary 10230233322100
5 Quinary 130140330230
6 Senary 11453445224
8 Octal 454577220
10 Decimal 78839440
12 Duodecimal 224a0814
16 Hexadecimal 4b2fe90
20 Vigesimal 14ceic0
36 Base36 1axswg

Cryptographic Hash Functions

md5 67f1c84b47dbc004d254b65b2d6e0186
sha1 7a9f4ddd2b2c598dfe5e8bb9937d03037911233b
sha256 c168c8f541ade68afdbaf7781235816c5b833483e28088dfdfd8e493aafb4a42
sha512 a62d69b34a505d70aa0bb29d4701b4cc4bd5db3f9e20450cc60cb9c4a46f255d3a4d98954fab6c7fedc5b94e3e3487a164849b3619ed3080b83d259d6adf8f64
ripemd-160 fe257db2e765ca6950a1485d7a103b2ef3863d46

78839440 as geometric shapes

Circle

Radius = n
Diameter 157678880
Circumference 495362811.03427
Area 1.9527063309384E+16

Sphere

Radius = n
Volume 2.0526703148751E+24
Surface area 7.8108253237535E+16
Circumference 495362811.03427

Square

Length = n
Perimeter 315357760
Area 6215657299513600
Diagonal 111495805.2979

Cube

Length = n
Surface area 37293943797081600
Volume 4.9003894072556E+23
Space diagonal 136553915.72028

Equilateral Triangle

Length = n
Perimeter 236518320
Area 2.6914585612985E+15
Altitude 68276957.860139

Triangular Pyramid

Length = n
Surface area 2.6914585612985E+15
Volume 5.775164300542E+22
Height 37165268.432633