78840681 is an odd 8-digits composite number following 78840680
and preceding 78840682 . In scientific notation, it is written as 7.8840681 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 51865920 positive integers (up to 78840681) that are relatively prime to 78840681.
78840681 has 8 divisors, whose sum is 79404864
The reverse of 78840681 is 18604887
Previous prime number is 523
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million eight hundred forty thousand six hundred eighty-one
Scientific notation
7.8840681 × 10^7
Engineering notation
7.8840681 × 10^6
Prime Factorization
327 × 523 × 461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78840681
Product of the distinct prime numbers
The prime factorization of 78840681 is 327 × 523 × 461.
Since it has a total of 3 prime factors.
9 , 1 , 94 , 67 , 713 , 252 , 6394 , 6362 , 13198 , 6381 , 264980 , 625336 , 8776301 , 7844450 , 18612593 , 88279983 , 252874383 , 881175241 , 171565311 , 9914222119
n×2
157681362
n×3
236522043
n×4
315362724
n×5
394203405
n÷2
39420340.5
n÷3
26280227
n÷3
19710170.25
n÷5
15768136.2
n2
6215852980543761
n3
4.9006208198195E+23
n4
3.8636828275735E+31
n5
3.046153852939E+39
2 √n
8879.2275001827
3 √n
428.79540453058
4 √n
94.229652977089
5 √n
37.962086409163
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
-78840680
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 78840681 can be divided by 8 positive divisors.
The sum of these divisors (counting 78840681) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100110000001101101001
3
Ternary
12111100112002020
4
Quaternary
10230300031221
5
Quinary
130140400211
6
Senary
11453455053
8
Octal
454601551
10
Decimal
78840681
12
Duodecimal
224a1489
16
Hexadecimal
4b30369
20
Vigesimal
14cf1e1
36
Base36
1axtux
md5
f14b595b453dc549a26c384c0ffff329
sha1
a542d7b6fa3e64cf2519099fb215cdc7d71e23bc
sha256
5afdc430d41d8012061b77909765c6101fff72016b93a4365b9e28020a72c5b6
sha512
68038b1a7bbb7d7a6bd59a61894b78837b1c78b5ee90c2ceacdccbe924964eaec4e7cb287706a518d922b41e92a8c10ddefb545976b3bf084c5e71915f58c733
ripemd-160
d8303000d399455c4e74e934540530167d1b2db3
Diameter
157681362
Circumference
495370608.46723
Area
1.952767805947E+16
Volume
2.0527672487432E+24
Surface area
7.8110712237882E+16
Circumference
495370608.46723
Perimeter
315362724
Area
6215852980543761
Diagonal
111497560.33693
Surface area
37295117883262566
Volume
4.9006208198195E+23
Space diagonal
136556065.19533
Perimeter
236522043
Area
2.6915432936701E+15
Altitude
68278032.597665
Surface area
2.6915432936701E+15
Volume
5.7754370228639E+22
Height
37165853.445644