78129621 (number)

78129621 is an odd 8-digits composite number following 78129620 and preceding 78129622. In scientific notation, it is written as 7.8129621 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 52022376 positive integers (up to 78129621) that are relatively prime to 78129621.

Interesting facts

Basic properties

Name

Name seventy-eight million one hundred twenty-nine thousand six hundred twenty-one

Notation

Scientific notation 7.8129621 × 10^7
Engineering notation 7.8129621 × 10^6

Prime Factorization of 78129621

Prime Factorization 9 × 887 × 9787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78129621
Product of the distinct prime numbers

The prime factorization of 78129621 is 9 × 887 × 9787. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78129621)

Multiplication

n×y
n×2 156259242
n×3 234388863
n×4 312518484
n×5 390648105

Division

n÷y
n÷2 39064810.5
n÷3 26043207
n÷3 19532405.25
n÷5 15625924.2

Exponentiation

ny
n2 6104237677603641
n3 4.7692177624509E+23
n4 3.7261717624676E+31
n5 2.9112438758249E+39

Nth Root

y√n
2√n 8839.0961642014
3√n 427.50241508844
4√n 94.016467516076
5√n 37.893362416235

Divisors of 78129621

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 -78129620
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 78129621 can be divided by 8 positive divisors. The sum of these divisors (counting 78129621) is 1, the average is 0.125.

Base conversion 78129621

Base System Value
2 Binary 100101010000010100111010101
3 Ternary 12110000101200200
4 Quaternary 10222002213111
5 Quinary 130000121441
6 Senary 11430331113
8 Octal 452024725
10 Decimal 78129621
12 Duodecimal 221b9a99
16 Hexadecimal 4a829d5
20 Vigesimal 1486411
36 Base36 1ail79

Cryptographic Hash Functions

md5 04ef7a7664d57bce3baefe58152064f6
sha1 67d80be6f1d0a2ee1d6776c1de586c8200e5cddd
sha256 103ab378e1c7f627b54305e974e812ca6c6e7cda59126e46268a185a1ebfce99
sha512 b6a0eba3091e2dac864017f79595972b67625337a6508901dc1375162974fa377c2b46c2794f1db56ea9c51533726930f00003dfc5d17f53f83efbc57903698e
ripemd-160 284cb346032be8c6c7e67eaada0dcdf9560f0542

78129621 as geometric shapes

Circle

Radius = n
Diameter 156259242
Circumference 490902886.72271
Area 1.9177028243726E+16

Sphere

Radius = n
Volume 1.9977252647848E+24
Surface area 7.6708112974902E+16
Circumference 490902886.72271

Square

Length = n
Perimeter 312518484
Area 6104237677603641
Diagonal 110491969.64127

Cube

Length = n
Surface area 36625426065621846
Volume 4.7692177624509E+23
Space diagonal 135324473.1481

Equilateral Triangle

Length = n
Perimeter 234388863
Area 2.6432124497714E+15
Altitude 67662236.57405

Triangular Pyramid

Length = n
Surface area 2.6432124497714E+15
Volume 5.6205770346406E+22
Height 36830656.54709