78312121 (number)

78312121 is an odd 8-digits composite number following 78312120 and preceding 78312122. In scientific notation, it is written as 7.8312121 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 78230500 positive integers (up to 78312121) that are relatively prime to 78312121.

Interesting facts

Basic properties

Name

Name seventy-eight million three hundred twelve thousand one hundred twenty-one

Notation

Scientific notation 7.8312121 × 10^7
Engineering notation 7.8312121 × 10^6

Prime Factorization of 78312121

Prime Factorization 971 × 80651

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78312121
Product of the distinct prime numbers

The prime factorization of 78312121 is 971 × 80651. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78312121)

Multiplication

n×y
n×2 156624242
n×3 234936363
n×4 313248484
n×5 391560605

Division

n÷y
n÷2 39156060.5
n÷3 26104040.333333
n÷3 19578030.25
n÷5 15662424.2

Exponentiation

ny
n2 6132788295518641
n3 4.8027165906604E+23
n4 3.761109227765E+31
n5 2.9454044093895E+39

Nth Root

y√n
2√n 8849.4135963916
3√n 427.83501844303
4√n 94.071321859489
5√n 37.91104863075

Divisors of 78312121

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 -78312120
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 78312121 can be divided by 4 positive divisors. The sum of these divisors (counting 78312121) is 1, the average is 0.25.

Base conversion 78312121

Base System Value
2 Binary 100101010101111001010111001
3 Ternary 12110100200000221
4 Quaternary 10222233022321
5 Quinary 130021441441
6 Senary 11434300041
8 Octal 452571271
10 Decimal 78312121
12 Duodecimal 22287621
16 Hexadecimal 4aaf2b9
20 Vigesimal 1499061
36 Base36 1ami0p

Cryptographic Hash Functions

md5 afc86252ae65ded61a6eed02e8cfca20
sha1 f9467b28ff9bbe0efea8872ec091b2e8bc7b2670
sha256 ee5a4cc61f212dd030712fb0216ee1a8a7b20884d2d6852a34ee3a3e8aa251b2
sha512 5effd52f02b913c050e87e426af7bb9897bb5b345ea4a6768529e711d552604369fe1c48219314bd67a667d74dcafc9471ae49be84d57a0940a228fbcd77053d
ripemd-160 cb968fd28c07f35e90e99204e4e0250eb63d715b

78312121 as geometric shapes

Circle

Radius = n
Diameter 156624242
Circumference 492049568.04127
Area 1.9266722655223E+16

Sphere

Radius = n
Volume 2.0117572211323E+24
Surface area 7.7066890620891E+16
Circumference 492049568.04127

Square

Length = n
Perimeter 313248484
Area 6132788295518641
Diagonal 110750063.6164

Cube

Length = n
Surface area 36796729773111846
Volume 4.8027165906604E+23
Space diagonal 135640572.42048

Equilateral Triangle

Length = n
Perimeter 234936363
Area 2.6555752299755E+15
Altitude 67820286.210241

Triangular Pyramid

Length = n
Surface area 2.6555752299755E+15
Volume 5.6600557822885E+22
Height 36916687.872134