78857390 (number)

78857390 is an even 8-digits composite number following 78857389 and preceding 78857391. In scientific notation, it is written as 7.8857390 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 29687424 positive integers (up to 78857390) that are relatively prime to 78857390.

Interesting facts

Basic properties

Name

Name seventy-eight million eight hundred fifty-seven thousand three hundred ninety

Notation

Scientific notation 7.8857390 × 10^7
Engineering notation 7.8857390 × 10^6

Prime Factorization of 78857390

Prime Factorization 2 × 85 × 463867

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78857390
Product of the distinct prime numbers

The prime factorization of 78857390 is 2 × 85 × 463867. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78857390)

Multiplication

n×y
n×2 157714780
n×3 236572170
n×4 315429560
n×5 394286950

Division

n÷y
n÷2 39428695
n÷3 26285796.666667
n÷3 19714347.5
n÷5 15771478

Exponentiation

ny
n2 6218487957612100
n3 4.9037373008372E+23
n4 3.8669592478967E+31
n5 3.0493831352549E+39

Nth Root

y√n
2√n 8880.16835426
3√n 428.82569446142
4√n 94.234645190927
5√n 37.963695362125

Divisors of 78857390

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 -78857389
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 78857390 can be divided by 8 positive divisors. The sum of these divisors (counting 78857390) is 1, the average is 0.125.

Base conversion 78857390

Base System Value
2 Binary 100101100110100010010101110
3 Ternary 12111101101000002
4 Quaternary 10230310102232
5 Quinary 130141414030
6 Senary 11454104302
8 Octal 454642256
10 Decimal 78857390
12 Duodecimal 224ab092
16 Hexadecimal 4b344ae
20 Vigesimal 14ch39a
36 Base36 1ay6r2

Cryptographic Hash Functions

md5 a9c083ebbff12da4433aa8b69644b7da
sha1 73e0a86a0f6dcc8e75cd1a873c216104356fcbd2
sha256 86716d3c2b02d8dd29722aa9657ac78151d0234dcf06de00748755bee8564699
sha512 1c397fee7c6ac505a9ae8de80ca57e90c5167a9a3cb5d3aec98f329382a08839b3e6c8c8c4277e661d5cba1dd9de7974fa8e0eb072d279173a175406da77c885
ripemd-160 e13cb5efdf95bb1434361714aebe577c10c810cd

78857390 as geometric shapes

Circle

Radius = n
Diameter 157714780
Circumference 495475594.21053
Area 1.9535956084071E+16

Sphere

Radius = n
Volume 2.0540726772593E+24
Surface area 7.8143824336283E+16
Circumference 495475594.21053

Square

Length = n
Perimeter 315429560
Area 6218487957612100
Diagonal 111521190.43134

Cube

Length = n
Surface area 37310927745672600
Volume 4.9037373008372E+23
Space diagonal 136585006.03227

Equilateral Triangle

Length = n
Perimeter 236572170
Area 2.6926842722098E+15
Altitude 68292503.016137

Triangular Pyramid

Length = n
Surface area 2.6926842722098E+15
Volume 5.7791098309657E+22
Height 37173730.143781