78978055 is an odd 8-digits composite number following 78978054
and preceding 78978056 . In scientific notation, it is written as 7.8978055 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 58322208 positive integers (up to 78978055) that are relatively prime to 78978055.
78978055 has 8 divisors, whose sum is 102064032
The reverse of 78978055 is 55087987
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-eight million nine hundred seventy-eight thousand fifty-five
Scientific notation
7.8978055 × 10^7
Engineering notation
7.8978055 × 10^6
Prime Factorization
5 × 13 × 1215047
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78978055
Product of the distinct prime numbers
The prime factorization of 78978055 is 5 × 13 × 1215047.
Since it has a total of 3 prime factors.
6 , 3 , 54 , 56 , 980 , 706 , 2246 , 7316 , 8819 , 18239 , 49067 , 81646 , 7064473 , 7110890 , 38818011 , 97974085 , 63207651 , 298163517 , 8282531332 , 8023778319
n×2
157956110
n×3
236934165
n×4
315912220
n×5
394890275
n÷2
39489027.5
n÷3
26326018.333333
n÷3
19744513.75
n÷5
15795611
n2
6237533171583025
n3
4.9262823788961E+23
n4
3.8906820066599E+31
n5
3.0727849750949E+39
2 √n
8886.9598288729
3 √n
429.04430801339
4 √n
94.270673217459
5 √n
37.975306418645
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
-78978054
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 78978055 can be divided by 8 positive divisors.
The sum of these divisors (counting 78978055) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101101010001110000000111
3
Ternary
12111121111112011
4
Quaternary
10231101300013
5
Quinary
130204244210
6
Senary
11500435051
8
Octal
455216007
10
Decimal
78978055
12
Duodecimal
22548a87
16
Hexadecimal
4b51c07
20
Vigesimal
14dc52f
36
Base36
1b0ruv
md5
a5a231e0ec9bc99b280b5a74cd251a74
sha1
3b23f30582c45c3e68392652781500f01d1fd1de
sha256
a9be52ba6452dcd3cc1741e690686480c18e8b3b520df4a546c30d3c9750ffa7
sha512
85b9c9a04896bf3c94f1908ea07e483bbafc534820f11b8d09d31466909d681ac854c3bc50c2fc4a7dc9607198f8045c62d12e3f0e49659925aa2a4aab7a20a8
ripemd-160
a4ccf6395f6fbcd2b4396d97d45262efc0c83cb3
Diameter
157956110
Circumference
496233754.76562
Area
1.9595788388368E+16
Volume
2.0635163374732E+24
Surface area
7.8383153553471E+16
Circumference
496233754.76562
Perimeter
315912220
Area
6237533171583025
Diagonal
111691836.51085
Surface area
37425199029498150
Volume
4.9262823788961E+23
Space diagonal
136794003.94297
Perimeter
236934165
Area
2.7009310917695E+15
Altitude
68397001.971485
Surface area
2.7009310917695E+15
Volume
5.805679460262E+22
Height
37230612.170283