78978045 is an odd 8-digits composite number following 78978044
and preceding 78978046 . In scientific notation, it is written as 7.8978045 × 10^7.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 42121616 positive integers (up to 78978045) that are relatively prime to 78978045.
78978045 has 4 divisors, whose sum is 84243264
The reverse of 78978045 is 54087987
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-eight million nine hundred seventy-eight thousand forty-five
Scientific notation
7.8978045 × 10^7
Engineering notation
7.8978045 × 10^6
Prime Factorization
15 × 5265203
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78978045
Product of the distinct prime numbers
The prime factorization of 78978045 is 15 × 5265203.
Since it has a total of 2 prime factors.
2 , 1 , 68 , 41 , 468 , 362 , 3388 , 1137 , 35657 , 22681 , 941561 , 643417 , 6617925 , 9499682 , 39506728 , 94673112 , 233369151 , 595456809 , 58903090 , 9608995170
n×2
157956090
n×3
236934135
n×4
315912180
n×5
394890225
n÷2
39489022.5
n÷3
26326015
n÷3
19744511.25
n÷5
15795609
n2
6237531592022025
n3
4.9262805076364E+23
n4
3.8906800361473E+31
n5
3.0727830297544E+39
2 √n
8886.9592662507
3 √n
429.04428990522
4 √n
94.27067023338
5 √n
37.975305456978
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78978044
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78978045 can be divided by 4 positive divisors.
The sum of these divisors (counting 78978045) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101101010001101111111101
3
Ternary
12111121111111210
4
Quaternary
10231101233331
5
Quinary
130204244140
6
Senary
11500435033
8
Octal
455215775
10
Decimal
78978045
12
Duodecimal
22548a79
16
Hexadecimal
4b51bfd
20
Vigesimal
14dc525
36
Base36
1b0rul
md5
aedb62338519a7b8a87b1d04f78b139b
sha1
606d9fc1f42464d0379d3a7125f4802eb83723f5
sha256
f9d9453b01bf783e36ca403c63f61d6a281a5699b57d36c0f516b33c631077af
sha512
59ea8d6e35a6577b999e0cb31014330f179bd9e57f25903e18e007feaf86ff2b025ea3cd2ec3706263f5267cacf8c8cd1c4be2c0b393bfd69d8711ea5573c896
ripemd-160
3bba08f240d83d7cc7f3a530ca925b0ee483d392
Diameter
157956090
Circumference
496233691.93377
Area
1.9595783426031E+16
Volume
2.0635155536417E+24
Surface area
7.8383133704123E+16
Circumference
496233691.93377
Perimeter
315912180
Area
6237531592022025
Diagonal
111691822.36871
Surface area
37425189552132150
Volume
4.9262805076364E+23
Space diagonal
136793986.62246
Perimeter
236934135
Area
2.7009304077995E+15
Altitude
68396993.311231
Surface area
2.7009304077995E+15
Volume
5.8056772549613E+22
Height
37230607.456238