78129664 is an even 8-digits composite number following 78129663
and preceding 78129665 . In scientific notation, it is written as 7.8129664 × 10^7.
The sum of its digits is 43. It has a total of 10 prime factors and 20 positive divisors.
There are 39064576 positive integers (up to 78129664) that are relatively prime to 78129664.
78129664 has 20 divisors, whose sum is 156107754
The reverse of 78129664 is 46692187
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-eight million one hundred twenty-nine thousand six hundred sixty-four
Scientific notation
7.8129664 × 10^7
Engineering notation
7.8129664 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 152597
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
10
Total number of prime factors
rad
Radical
305194
Product of the distinct prime numbers
The prime factorization of 78129664 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 152597.
Since it has a total of 10 prime factors.
2 , 10 , 23 , 64 , 669 , 664 , 6256 , 3555 , 44863 , 45537 , 521459 , 893727 , 3874469 , 323850 , 85579293 , 17062729 , 187627437 , 434599071 , 3490359117 , 5484332637
n×2
156259328
n×3
234388992
n×4
312518656
n×5
390648320
n÷2
39064832
n÷3
26043221.333333
n÷3
19532416
n÷5
15625932.8
n2
6104244396752896
n3
4.7692256369219E+23
n4
3.7261799655289E+31
n5
2.9112518871031E+39
2 √n
8839.0985965765
3 √n
427.50249351623
4 √n
94.016480451974
5 √n
37.893366587289
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 512 , 152597 , 305194 , 610388 , 1220776 , 2441552 , 4883104 , 9766208 , 19532416 , 39064832 , 78129664
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78129663
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78129664 can be divided by 20 positive divisors.
The sum of these divisors (counting 78129664) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101010000010101000000000
3
Ternary
12110000101202021
4
Quaternary
10222002220000
5
Quinary
130000122124
6
Senary
11430331224
8
Octal
452025000
10
Decimal
78129664
12
Duodecimal
221b9b14
16
Hexadecimal
4a82a00
20
Vigesimal
1486434
36
Base36
1ail8g
md5
2fb22c624528ca243143e75b608365b4
sha1
42a0f09146bc55ec6ae0c4b67dc23a5c37252bc3
sha256
f93896aa05dd3ae3247d784bfeb3c0be0c82edec5e6683f0bad74328ccc40e1f
sha512
85932b2a6c91dc57873388afd716acb8cb70afc16a684007df544094d4643a37080fefe31526e4d95cecd279bf4cbe4a48552f379229e5256c86133369a0c006
ripemd-160
9ce18385216ab05e7212bb51b2461b1c3289d6f1
Diameter
156259328
Circumference
490903156.89968
Area
1.9177049352556E+16
Volume
1.9977285632354E+24
Surface area
7.6708197410222E+16
Circumference
490903156.89968
Perimeter
312518656
Area
6104244396752896
Diagonal
110492030.45245
Surface area
36625466380517376
Volume
4.7692256369219E+23
Space diagonal
135324547.62629
Perimeter
234388992
Area
2.6432153592484E+15
Altitude
67662273.813143
Surface area
2.6432153592484E+15
Volume
5.6205863147936E+22
Height
36830676.817484