78820020 is an even 8-digits composite number following 78820019
and preceding 78820021 . In scientific notation, it is written as 7.8820020 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 21018528 positive integers (up to 78820020) that are relatively prime to 78820020.
78820020 has 24 divisors, whose sum is 163479680
The reverse of 78820020 is 02002887
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
seventy-eight million eight hundred twenty thousand twenty
Scientific notation
7.8820020 × 10^7
Engineering notation
7.8820020 × 10^6
Prime Factorization
2 × 2 × 15 × 9 × 145963
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39410010
Product of the distinct prime numbers
The prime factorization of 78820020 is 2 × 2 × 15 × 9 × 145963.
Since it has a total of 5 prime factors.
10 , 5 , 68 , 34 , 359 , 522 , 3319 , 8946 , 48340 , 48805 , 747713 , 234388 , 5826551 , 1786856 , 58478910 , 38730390 , 385424607 , 704777112 , 4283991249 , 5929093354
n×2
157640040
n×3
236460060
n×4
315280080
n×5
394100100
n÷2
39410010
n÷3
26273340
n÷3
19705005
n÷5
15764004
n2
6212595552800400
n3
4.8967690572364E+23
n4
3.8596343502675E+31
n5
3.0421645668077E+39
2 √n
8878.063978143
3 √n
428.75794453004
4 √n
94.223478911272
5 √n
37.96009653062
1 , 2 , 4 , 9 , 15 , 18 , 30 , 36 , 60 , 135 , 270 , 540 , 145963 , 291926 , 583852 , 1313667 , 2189445 , 2627334 , 4378890 , 5254668 , 8757780 , 19705005 , 39410010 , 78820020
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78820019
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78820020 can be divided by 24 positive divisors.
The sum of these divisors (counting 78820020) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101100101011001010110100
3
Ternary
12111022110202000
4
Quaternary
10230223022310
5
Quinary
130134220040
6
Senary
11453215300
8
Octal
454531264
10
Decimal
78820020
12
Duodecimal
22491530
16
Hexadecimal
4b2b2b4
20
Vigesimal
14cca10
36
Base36
1axdx0
md5
ee5f669295c28104dba19f7de48fa820
sha1
e02abc668ef3e3f2a258733a7c3ec12b3f76845a
sha256
bf71453d968d4a8e9aac0f72ff5d516a5c2d6d08ed4eb0c2893c18d6462739bd
sha512
bb1bad9620538f977de0655dfccd8025a7d5ddd7c0730e07dec2451e87618c88bde4678874b7c6a543244417739be19a381733ba5b42e887a4ebe1654ced680a
ripemd-160
9e07a4ff14bab09e7d333a0224b8b3ad76eb3ae2
Diameter
157640040
Circumference
495240791.5756
Area
1.9517444548402E+16
Volume
2.0511538262053E+24
Surface area
7.8069778193609E+16
Circumference
495240791.5756
Perimeter
315280080
Area
6212595552800400
Diagonal
111468341.27052
Surface area
37275573316802400
Volume
4.8967690572364E+23
Space diagonal
136520279.2936
Perimeter
236460060
Area
2.6901327860817E+15
Altitude
68260139.646798
Surface area
2.6901327860817E+15
Volume
5.7708976771272E+22
Height
37156113.75684