78168021 (number)

78168021 is an odd 8-digits composite number following 78168020 and preceding 78168022. In scientific notation, it is written as 7.8168021 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 50314992 positive integers (up to 78168021) that are relatively prime to 78168021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8168021 × 10^7
Engineering notation 7.8168021 × 10^6

Prime Factorization of 78168021

Prime Factorization 3 × 29 × 898483

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78168021
Product of the distinct prime numbers

The prime factorization of 78168021 is 3 × 29 × 898483. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78168021)

Multiplication

n×y
n×2 156336042
n×3 234504063
n×4 312672084
n×5 390840105

Division

n÷y
n÷2 39084010.5
n÷3 26056007
n÷3 19542005.25
n÷5 15633604.2

Exponentiation

ny
n2 6110239507056441
n3 4.7762533010262E+23
n4 3.7335026833593E+31
n5 2.9184051615639E+39

Nth Root

y√n
2√n 8841.268065159
3√n 427.57244147028
4√n 94.028017447774
5√n 37.897086532938

Divisors of 78168021

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 -78168020
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 78168021 can be divided by 8 positive divisors. The sum of these divisors (counting 78168021) is 1, the average is 0.125.

Base conversion 78168021

Base System Value
2 Binary 100101010001011111111010101
3 Ternary 12110002100100220
4 Quaternary 10222023333111
5 Quinary 130002334041
6 Senary 11431224553
8 Octal 452137725
10 Decimal 78168021
12 Duodecimal 22218159
16 Hexadecimal 4a8bfd5
20 Vigesimal 148b011
36 Base36 1ajetx

Cryptographic Hash Functions

md5 2abbf99ecd898d7e63fddc3e2db4b93e
sha1 9b50801a2aa7bb614d335cd571f5e0a74bf65a24
sha256 efc6a5082df0da70c128da265e31d0f62c0c0d8bc56d1d8dc9a006fc87a7a5fc
sha512 925f6eb5da9610cee943e26c84c859fae678464ffa11f4b4093cab95972ab78cea941c7bbda281ec7227a4f8fd08fcd4802fd1fa8a477f3132f1b8c0bef4d03a
ripemd-160 f8cecc17d76c6214d2f81c58e17102aa9d92ad7f

78168021 as geometric shapes

Circle

Radius = n
Diameter 156336042
Circumference 491144161.03851
Area 1.9195883547043E+16

Sphere

Radius = n
Volume 2.0006723042917E+24
Surface area 7.6783534188171E+16
Circumference 491144161.03851

Square

Length = n
Perimeter 312672084
Area 6110239507056441
Diagonal 110546275.44206

Cube

Length = n
Surface area 36661437042338646
Volume 4.7762533010262E+23
Space diagonal 135390983.89911

Equilateral Triangle

Length = n
Perimeter 234504063
Area 2.6458113181591E+15
Altitude 67695491.949555

Triangular Pyramid

Length = n
Surface area 2.6458113181591E+15
Volume 5.6288684963671E+22
Height 36848758.480688