78388620 is an even 8-digits composite number following 78388619
and preceding 78388621 . In scientific notation, it is written as 7.8388620 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 20903616 positive integers (up to 78388620) that are relatively prime to 78388620.
78388620 has 24 divisors, whose sum is 219488304
The reverse of 78388620 is 02688387
Previous prime number is 5
Is Prime? no Number parity even Number length 8 Sum of Digits 42 Digital Root 6
Name
seventy-eight million three hundred eighty-eight thousand six hundred twenty
Scientific notation
7.8388620 × 10^7
Engineering notation
7.8388620 × 10^6
Prime Factorization
2 × 2 × 3 × 5 × 1306477
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
39194310 Product of the distinct prime numbers
The prime factorization of 78388620 is 2 × 2 × 3 × 5 × 1306477.
Since it has a total of 5 prime factors.
3 , 9 , 26 , 69 , 952 , 497 , 9505 , 9519 , 71741 , 22086 , 330971 , 161987 , 6627743 , 5515024 , 78741875 , 32653224 , 475222833 , 716369099 , 5743122546 , 9486761038
n×2
156777240
n×3
235165860
n×4
313554480
n×5
391943100
n÷2
39194310
n÷3
26129540
n÷3
19597155
n÷5
15677724
n2
6144775745504400
n3
4.8168049089956E+23
n4
3.7758268962539E+31
n5
2.9598185975623E+39
2 √n8853.7348051543
3 √n427.97428296289
4 √n94.094286782749
5 √n37.918452401026
1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 30 , 60 , 1306477 , 2612954 , 3919431 , 5225908 , 6532385 , 7838862 , 13064770 , 15677724 , 19597155 , 26129540 , 39194310 , 78388620
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
-78388619 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 78388620 can be divided by 24 positive divisors.
The sum of these divisors (counting 78388620) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101011000001110110001100
3
Ternary
12110111112222020
4
Quaternary
10223001312030
5
Quinary
130031413440
6
Senary
11440050140
8
Octal
453016614
10
Decimal
78388620
12
Duodecimal
22303950
16
Hexadecimal
4ac1d8c
20
Vigesimal
149ibb0
36
Base36
1ao51o
md5
c47f9f52e9ecc8e2e78f21a96c28094e
sha1
cc63017df2c4bc012495d054dd5a5921bbc7b57a
sha256
8c98644cf33f47531368312f69d35f420d01e2b57c3218bf09916d7b387a3772
sha512
5aea118ec676f483bfa4efb0455408e44b6380a291e6b0c6086e02704bd5edaca52593b572157768e27a34c452da6498be0c736ec7f510b2f1b029f6483edeb1
ripemd-160
c8f071b791822a2c735910d992c8f27572f1975b
Diameter
156777240
Circumference
492530225.43408
Area
1.9304382340033E+16
Volume
2.0176585221168E+24
Surface area
7.7217529360133E+16
Circumference
492530225.43408
Perimeter
313554480
Area
6144775745504400
Diagonal
110858249.53971
Surface area
36868654473026400
Volume
4.8168049089956E+23
Space diagonal
135773072.57521
Perimeter
235165860
Area
2.6607659480826E+15
Altitude
67886536.287605
Surface area
2.6607659480826E+15
Volume
5.6766590246724E+22
Height
36952749.84657