78665621 (number)

78665621 is an odd 8-digits composite number following 78665620 and preceding 78665622. In scientific notation, it is written as 7.8665621 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 77181312 positive integers (up to 78665621) that are relatively prime to 78665621.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8665621 × 10^7
Engineering notation 7.8665621 × 10^6

Prime Factorization of 78665621

Prime Factorization 53 × 1484257

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78665621
Product of the distinct prime numbers

The prime factorization of 78665621 is 53 × 1484257. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78665621)

Multiplication

n×y
n×2 157331242
n×3 235996863
n×4 314662484
n×5 393328105

Division

n÷y
n÷2 39332810.5
n÷3 26221873.666667
n÷3 19666405.25
n÷5 15733124.2

Exponentiation

ny
n2 6188279927315641
n3 4.8680488340412E+23
n4 3.8294808458818E+31
n5 3.0124848884889E+39

Nth Root

y√n
2√n 8869.3641823977
3√n 428.47779966832
4√n 94.177301842842
5√n 37.945213005471

Divisors of 78665621

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 -78665620
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 78665621 can be divided by 4 positive divisors. The sum of these divisors (counting 78665621) is 1, the average is 0.25.

Base conversion 78665621

Base System Value
2 Binary 100101100000101011110010101
3 Ternary 12111000121221112
4 Quaternary 10230011132111
5 Quinary 130114244441
6 Senary 11450024405
8 Octal 454053625
10 Decimal 78665621
12 Duodecimal 22418105
16 Hexadecimal 4b05795
20 Vigesimal 14bd411
36 Base36 1au2s5

Cryptographic Hash Functions

md5 000a850774205c294ada82e1f653e0d5
sha1 e57eae601796b73b8cad75a3f662aa739fb22145
sha256 4ac1e575c1c0390bd0b6718ac064c29a8f037f51501b124a355a31c5ce87d7c8
sha512 3d15010755bc4b821b797caa928a4d7a698ee8deb26049b44f3aa89c03cb0c232671a6e09c7a084ef6bc12b922eea42cdce287f58cce153f94a98f427b6a4991
ripemd-160 26e274eff4ec9466cf0d5e7239c6a3f9d38a6836

78665621 as geometric shapes

Circle

Radius = n
Diameter 157331242
Circumference 494270674.04736
Area 1.9441054758012E+16

Sphere

Radius = n
Volume 2.0391235272454E+24
Surface area 7.7764219032048E+16
Circumference 494270674.04736

Square

Length = n
Perimeter 314662484
Area 6188279927315641
Diagonal 111249988.1107

Cube

Length = n
Surface area 37129679563893846
Volume 4.8680488340412E+23
Space diagonal 136252852.38096

Equilateral Triangle

Length = n
Perimeter 235996863
Area 2.6796038113923E+15
Altitude 68126426.190479

Triangular Pyramid

Length = n
Surface area 2.6796038113923E+15
Volume 5.7370505694963E+22
Height 37083329.370234