78164921 (number)

78164921 is an odd 8-digits composite number following 78164920 and preceding 78164922. In scientific notation, it is written as 7.8164921 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 78057552 positive integers (up to 78164921) that are relatively prime to 78164921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8164921 × 10^7
Engineering notation 7.8164921 × 10^6

Prime Factorization of 78164921

Prime Factorization 733 × 106637

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78164921
Product of the distinct prime numbers

The prime factorization of 78164921 is 733 × 106637. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78164921)

Multiplication

n×y
n×2 156329842
n×3 234494763
n×4 312659684
n×5 390824605

Division

n÷y
n÷2 39082460.5
n÷3 26054973.666667
n÷3 19541230.25
n÷5 15632984.2

Exponentiation

ny
n2 6109754874936241
n3 4.7756850712876E+23
n4 3.7329104631807E+31
n5 2.9178265145459E+39

Nth Root

y√n
2√n 8841.0927492024
3√n 427.56678914992
4√n 94.027085189335
5√n 37.896785942414

Divisors of 78164921

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 -78164920
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 78164921 can be divided by 4 positive divisors. The sum of these divisors (counting 78164921) is 1, the average is 0.25.

Base conversion 78164921

Base System Value
2 Binary 100101010001011001110111001
3 Ternary 12110002012010002
4 Quaternary 10222023032321
5 Quinary 130002234141
6 Senary 11431202345
8 Octal 452131671
10 Decimal 78164921
12 Duodecimal 222163b5
16 Hexadecimal 4a8b3b9
20 Vigesimal 148ac61
36 Base36 1ajcft

Cryptographic Hash Functions

md5 c974177869e0806c8abde35bcf7b9be5
sha1 bf2563cb93da98b835b0ad71d9960d09ed740bd6
sha256 99e0e6be589d43324132c2379d457f1130c6f43137ab2dae33ebf070ed15e56e
sha512 88bf7a6da9b3be90132f98da82f0fc6ec2a628869c4016b3e4622af11070cfa43b8d49f3777c060a88340139d567795c4fa2f44f586b56e9c20d70d3b95007df
ripemd-160 d62c6f3ce2700841930a8952d577360b2f16f7a3

78164921 as geometric shapes

Circle

Radius = n
Diameter 156329842
Circumference 491124683.16405
Area 1.9194361030334E+16

Sphere

Radius = n
Volume 2.0004342847754E+24
Surface area 7.6777444121336E+16
Circumference 491124683.16405

Square

Length = n
Perimeter 312659684
Area 6109754874936241
Diagonal 110541891.38002

Cube

Length = n
Surface area 36658529249617446
Volume 4.7756850712876E+23
Space diagonal 135385614.54161

Equilateral Triangle

Length = n
Perimeter 234494763
Area 2.6456014662953E+15
Altitude 67692807.270804

Triangular Pyramid

Length = n
Surface area 2.6456014662953E+15
Volume 5.628198831198E+22
Height 36847297.126674