78442857 (number)

78442857 is an odd 8-digits composite number following 78442856 and preceding 78442858. In scientific notation, it is written as 7.8442857 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 50021136 positive integers (up to 78442857) that are relatively prime to 78442857.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred forty-two thousand eight hundred fifty-seven

Notation

Scientific notation 7.8442857 × 10^7
Engineering notation 7.8442857 × 10^6

Prime Factorization of 78442857

Prime Factorization 9 × 3 × 23 × 126317

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78442857
Product of the distinct prime numbers

The prime factorization of 78442857 is 9 × 3 × 23 × 126317. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78442857)

Multiplication

n×y
n×2 156885714
n×3 235328571
n×4 313771428
n×5 392214285

Division

n÷y
n÷2 39221428.5
n÷3 26147619
n÷3 19610714.25
n÷5 15688571.4

Exponentiation

ny
n2 6153281814322449
n3 4.826810054416E+23
n4 3.7862877086471E+31
n5 2.9700722529027E+39

Nth Root

y√n
2√n 8856.7972202145
3√n 428.07296518564
4√n 94.11055849486
5√n 37.923698096536

Divisors of 78442857

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 -78442856
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 78442857 can be divided by 16 positive divisors. The sum of these divisors (counting 78442857) is 1, the average is 0.0625.

Base conversion 78442857

Base System Value
2 Binary 100101011001111000101101001
3 Ternary 12110121022101000
4 Quaternary 10223033011221
5 Quinary 130040132412
6 Senary 11441145213
8 Octal 453170551
10 Decimal 78442857
12 Duodecimal 2232b209
16 Hexadecimal 4acf169
20 Vigesimal 14a572h
36 Base36 1apaw9

Cryptographic Hash Functions

md5 a800974c31d8d8ad6bbc9656073dc6ae
sha1 cbbc10665821d929da30ee7a753eb6df9c12c1a6
sha256 7ba63017f44dc0b1c7c458ff249855ca2020e338560da804faae4cded9dd19e9
sha512 e35ad2d196e6c17ee3d6f9e6a427c124b4cd7d66642d606c6a38f5d261ba2807c0cea61901c48eb05bdabdcc2e3b6cddd65b988e4fe89919d233a6ace51869e9
ripemd-160 0c87e22e15a13b63d4fb1e8149ba912d9f8b3110

78442857 as geometric shapes

Circle

Radius = n
Diameter 156885714
Circumference 492871006.55559
Area 1.9331104943343E+16

Sphere

Radius = n
Volume 2.0218494676302E+24
Surface area 7.7324419773372E+16
Circumference 492871006.55559

Square

Length = n
Perimeter 313771428
Area 6153281814322449
Diagonal 110934952.24069

Cube

Length = n
Surface area 36919690885934694
Volume 4.826810054416E+23
Space diagonal 135867013.81486

Equilateral Triangle

Length = n
Perimeter 235328571
Area 2.664449183924E+15
Altitude 67933506.90743

Triangular Pyramid

Length = n
Surface area 2.664449183924E+15
Volume 5.6884502016282E+22
Height 36978317.413564