78865215 (number)

78865215 is an odd 8-digits composite number following 78865214 and preceding 78865216. In scientific notation, it is written as 7.8865215 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 35295360 positive integers (up to 78865215) that are relatively prime to 78865215.

Interesting facts

Basic properties

Name

Name seventy-eight million eight hundred sixty-five thousand two hundred fifteen

Notation

Scientific notation 7.8865215 × 10^7
Engineering notation 7.8865215 × 10^6

Prime Factorization of 78865215

Prime Factorization 15 × 13 × 11 × 36767

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78865215
Product of the distinct prime numbers

The prime factorization of 78865215 is 15 × 13 × 11 × 36767. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 35, 69, 300, 625, 5419, 6555, 42398, 20531, 299322, 182602, 3494839, 4972396, 59102620, 8675106, 333449298, 309171220, 8065748499, 4634883047

Basic calculations (n = 78865215)

Multiplication

n×y
n×2 157730430
n×3 236595645
n×4 315460860
n×5 394326075

Division

n÷y
n÷2 39432607.5
n÷3 26288405
n÷3 19716303.75
n÷5 15773043

Exponentiation

ny
n2 6219722136996225
n3 4.9051972357447E+23
n4 3.8684943461441E+31
n5 3.0508963833494E+39

Nth Root

y√n
2√n 8880.6089318244
3√n 428.83987808274
4√n 94.236982824284
5√n 37.964448757909

Divisors of 78865215

1, 11, 13, 15, 143, 165, 195, 2145, 36767, 404437, 477971, 551505, 5257681, 6066555, 7169565, 78865215

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 -78865214
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 78865215 can be divided by 16 positive divisors. The sum of these divisors (counting 78865215) is 1, the average is 0.0625.

Base conversion 78865215

Base System Value
2 Binary 100101100110110001100111111
3 Ternary 12111101202201220
4 Quaternary 10230312030333
5 Quinary 130142141330
6 Senary 11454204423
8 Octal 454661477
10 Decimal 78865215
12 Duodecimal 224b3713
16 Hexadecimal 4b3633f
20 Vigesimal 14ci30f
36 Base36 1aycsf

Cryptographic Hash Functions

md5 65eb077f4e025e302ab3d219d804624c
sha1 5bd3ec234c90538f028a90ac4e7bd21418356b36
sha256 186faa72c16e6b51954d00204e98dd9d818bc7ca2f8ea58024f37100b635d15e
sha512 f1b87775f365aa62897ea3578aa42ee5becdd13c7bbaf57f23ff875289c634a8c0a8128fdd676e80dd4d35df3cd2e1313414ca3edc08651a4d6b4ad532c53b34
ripemd-160 eb67dd95fd7ff6464b95a3a880187660aad0481e

78865215 as geometric shapes

Circle

Radius = n
Diameter 157730430
Circumference 495524760.13556
Area 1.9539833372957E+16

Sphere

Radius = n
Volume 2.0546842133633E+24
Surface area 7.8159333491829E+16
Circumference 495524760.13556

Square

Length = n
Perimeter 315460860
Area 6219722136996225
Diagonal 111532256.65247

Cube

Length = n
Surface area 37318332821977350
Volume 4.9051972357447E+23
Space diagonal 136598559.32984

Equilateral Triangle

Length = n
Perimeter 236595645
Area 2.6932186875596E+15
Altitude 68299279.664922

Triangular Pyramid

Length = n
Surface area 2.6932186875596E+15
Volume 5.7808303807543E+22
Height 37177418.884157