78839640 (number)

78839640 is an even 8-digits composite number following 78839639 and preceding 78839641. In scientific notation, it is written as 7.8839640 × 10^7. The sum of its digits is 45. It has a total of 7 prime factors and 64 positive divisors. There are 18627840 positive integers (up to 78839640) that are relatively prime to 78839640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8839640 × 10^7
Engineering notation 7.8839640 × 10^6

Prime Factorization of 78839640

Prime Factorization 2 × 2 × 2 × 9 × 215 × 11 × 463

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 19709910
Product of the distinct prime numbers

The prime factorization of 78839640 is 2 × 2 × 2 × 9 × 215 × 11 × 463. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 10, 40, 30, 483, 948, 90, 7735, 81391, 25964, 561051, 841422, 2921446, 5439113, 41004082, 26246376, 553962068, 808413930, 9995857200, 3223317115

Basic calculations (n = 78839640)

Multiplication

n×y
n×2 157679280
n×3 236518920
n×4 315358560
n×5 394198200

Division

n÷y
n÷2 39419820
n÷3 26279880
n÷3 19709910
n÷5 15767928

Exponentiation

ny
n2 6215688835329600
n3 4.900426701294E+23
n4 3.8634787697641E+31
n5 3.0459527535584E+39

Nth Root

y√n
2√n 8879.1688800248
3√n 428.79351727316
4√n 94.229341927155
5√n 37.961986159546

Divisors of 78839640

1, 2, 4, 8, 9, 11, 18, 22, 36, 44, 72, 88, 99, 198, 215, 396, 430, 463, 792, 860, 926, 1720, 1852, 1935, 2365, 3704, 3870, 4167, 4730, 5093, 7740, 8334, 9460, 10186, 15480, 16668, 18920, 20372, 21285, 33336, 40744, 42570, 45837, 85140, 91674, 99545, 170280, 183348, 199090, 366696, 398180, 796360, 895905, 1094995, 1791810, 2189990, 3583620, 4379980, 7167240, 8759960, 9854955, 19709910, 39419820, 78839640

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 -78839639
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 78839640 can be divided by 64 positive divisors. The sum of these divisors (counting 78839640) is 1, the average is 0.015625.

Base conversion 78839640

Base System Value
2 Binary 100101100101111111101011000
3 Ternary 12111100110122200
4 Quaternary 10230233331120
5 Quinary 130140332030
6 Senary 11453450200
8 Octal 454577530
10 Decimal 78839640
12 Duodecimal 224a0960
16 Hexadecimal 4b2ff58
20 Vigesimal 14cej20
36 Base36 1axt20

Cryptographic Hash Functions

md5 9b4d8723e276ba970996206316dd9a57
sha1 1debfec4a9d816e1323086142ea471fd7a83c001
sha256 2af99eae5428a374dfd629daabd1b5091b2f354d7c4cc7ac8afa7588110b8b52
sha512 358b371092aa04bcdc8c496ff9ffa77844db4715386b5df630581c53f427cda6c6503d94be30b5f2dbd45da656b80b06fcb55972a10f7795c2169fb6dbbbec60
ripemd-160 a542e36099c9738b27bcb8dd7b66dcffbf7e6259

78839640 as geometric shapes

Circle

Radius = n
Diameter 157679280
Circumference 495364067.67133
Area 1.9527162382072E+16

Sphere

Radius = n
Volume 2.0526859365654E+24
Surface area 7.8108649528286E+16
Circumference 495364067.67133

Square

Length = n
Perimeter 315358560
Area 6215688835329600
Diagonal 111496088.14061

Cube

Length = n
Surface area 37294133011977600
Volume 4.900426701294E+23
Space diagonal 136554262.13044

Equilateral Triangle

Length = n
Perimeter 236518920
Area 2.6914722167074E+15
Altitude 68277131.06522

Triangular Pyramid

Length = n
Surface area 2.6914722167074E+15
Volume 5.7752082519877E+22
Height 37165362.713537