78865621 (number)

78865621 is an odd 8-digits composite number following 78865620 and preceding 78865622. In scientific notation, it is written as 7.8865621 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 77708592 positive integers (up to 78865621) that are relatively prime to 78865621.

Interesting facts

Basic properties

Name

Name seventy-eight million eight hundred sixty-five thousand six hundred twenty-one

Notation

Scientific notation 7.8865621 × 10^7
Engineering notation 7.8865621 × 10^6

Prime Factorization of 78865621

Prime Factorization 79 × 823 × 1213

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78865621
Product of the distinct prime numbers

The prime factorization of 78865621 is 79 × 823 × 1213. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 7, 14, 73, 344, 236, 2994, 2520, 67975, 43051, 711012, 239767, 1505309, 1945450, 71868029, 30917829, 196223899, 675218330, 4882476777, 7857432246

Basic calculations (n = 78865621)

Multiplication

n×y
n×2 157731242
n×3 236596863
n×4 315462484
n×5 394328105

Division

n÷y
n÷2 39432810.5
n÷3 26288540.333333
n÷3 19716405.25
n÷5 15773124.2

Exponentiation

ny
n2 6219786175715641
n3 4.9052729923503E+23
n4 3.8685740071623E+31
n5 3.0509749145932E+39

Nth Root

y√n
2√n 8880.6317905879
3√n 428.8406139741
4√n 94.237104107607
5√n 37.964487846206

Divisors of 78865621

1, 79, 823, 1213, 65017, 95827, 998299, 78865621

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78865620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78865621 can be divided by 8 positive divisors. The sum of these divisors (counting 78865621) is 1, the average is 0.125.

Base conversion 78865621

Base System Value
2 Binary 100101100110110010011010101
3 Ternary 12111101210021221
4 Quaternary 10230312103111
5 Quinary 130142144441
6 Senary 11454210341
8 Octal 454662325
10 Decimal 78865621
12 Duodecimal 224b39b1
16 Hexadecimal 4b364d5
20 Vigesimal 14ci411
36 Base36 1ayd3p

Cryptographic Hash Functions

md5 07a5536034ee902e82676278472d1811
sha1 a28f3734ec16601f3cac00cf85d251990e472cfc
sha256 99cd8183897c49875ab4b60c561308a465805ae125b1c44d44e787d6f58b89c7
sha512 11b6d97d19adf571d546648c71dd1c02328fc6819a467dd459c3df18a7202ddf8ccf2219c7775c79d408b1c8667d4a9e7bc6acec390bd38001ea2beaa510e869
ripemd-160 4a1419c355661ac0b0d3641e847e96cbdc433468

78865621 as geometric shapes

Circle

Radius = n
Diameter 157731242
Circumference 495527311.10879
Area 1.9540034556528E+16

Sphere

Radius = n
Volume 2.054715946216E+24
Surface area 7.816013822611E+16
Circumference 495527311.10879

Square

Length = n
Perimeter 315462484
Area 6219786175715641
Diagonal 111532830.82318

Cube

Length = n
Surface area 37318717054293846
Volume 4.9052729923503E+23
Space diagonal 136599262.54247

Equilateral Triangle

Length = n
Perimeter 236596863
Area 2.6932464171385E+15
Altitude 68299631.271235

Triangular Pyramid

Length = n
Surface area 2.6932464171385E+15
Volume 5.7809196607702E+22
Height 37177610.274392