78143721 (number)

78143721 is an odd 8-digits composite number following 78143720 and preceding 78143722. In scientific notation, it is written as 7.8143721 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 52095812 positive integers (up to 78143721) that are relatively prime to 78143721.

Interesting facts

Basic properties

Name

Name seventy-eight million one hundred forty-three thousand seven hundred twenty-one

Notation

Scientific notation 7.8143721 × 10^7
Engineering notation 7.8143721 × 10^6

Prime Factorization of 78143721

Prime Factorization 3 × 26047907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78143721
Product of the distinct prime numbers

The prime factorization of 78143721 is 3 × 26047907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78143721)

Multiplication

n×y
n×2 156287442
n×3 234431163
n×4 312574884
n×5 390718605

Division

n÷y
n÷2 39071860.5
n÷3 26047907
n÷3 19535930.25
n÷5 15628744.2

Exponentiation

ny
n2 6106441131725841
n3 4.7718003210051E+23
n4 3.7288623295233E+31
n5 2.9138717752568E+39

Nth Root

y√n
2√n 8839.8937210806
3√n 427.52813056571
4√n 94.020709001159
5√n 37.894730035424

Divisors of 78143721

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78143720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78143721 can be divided by 4 positive divisors. The sum of these divisors (counting 78143721) is 1, the average is 0.25.

Base conversion 78143721

Base System Value
2 Binary 100101010000110000011101001
3 Ternary 12110001010000220
4 Quaternary 10222012003221
5 Quinary 130001044341
6 Senary 11430520253
8 Octal 452060351
10 Decimal 78143721
12 Duodecimal 22206089
16 Hexadecimal 4a860e9
20 Vigesimal 1487j61
36 Base36 1aiw2x

Cryptographic Hash Functions

md5 65f092d766a4f5e714dc8aa65e6c6238
sha1 645bc70a0a7383079e83b2f41b773fafdcf93750
sha256 2d08b0d7164acbe4be3eb8b3e894d8c6dea8d93a6ec72cdf4073fde1539490a8
sha512 0b7efe04fdbb45220bc665c59bf9a8a814cd8a32bdce039946dcad3cba97788ac81b3369adff31c33d8bdd14a2640b5aa0081270e636ab9dd2568c5c01f4e1b3
ripemd-160 988429f3eade13641ec36b9fdf7f2f8d78028fb4

78143721 as geometric shapes

Circle

Radius = n
Diameter 156287442
Circumference 490991479.63554
Area 1.9183950599008E+16

Sphere

Radius = n
Volume 1.9988070443823E+24
Surface area 7.6735802396034E+16
Circumference 490991479.63554

Square

Length = n
Perimeter 312574884
Area 6106441131725841
Diagonal 110511910.0525

Cube

Length = n
Surface area 36638646790355046
Volume 4.7718003210051E+23
Space diagonal 135348895.06449

Equilateral Triangle

Length = n
Perimeter 234431163
Area 2.6441665733944E+15
Altitude 67674447.532244

Triangular Pyramid

Length = n
Surface area 2.6441665733944E+15
Volume 5.6236206090847E+22
Height 36837303.350833