78421750 is an even 8-digits composite number following 78421749
and preceding 78421751 . In scientific notation, it is written as 7.8421750 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 28516000 positive integers (up to 78421750) that are relatively prime to 78421750.
78421750 has 16 divisors, whose sum is 124566624
The reverse of 78421750 is 05712487
Previous prime number is 25
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
seventy-eight million four hundred twenty-one thousand seven hundred fifty
Scientific notation
7.8421750 × 10^7
Engineering notation
7.8421750 × 10^6
Prime Factorization
2 × 55 × 25 × 28517
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78421750
Product of the distinct prime numbers
The prime factorization of 78421750 is 2 × 55 × 25 × 28517.
Since it has a total of 4 prime factors.
1 , 8 , 27 , 50 , 996 , 460 , 1399 , 3657 , 37843 , 81063 , 269865 , 216494 , 2287729 , 7909396 , 51577239 , 89692829 , 291354329 , 945515767 , 1087042148 , 9349446677
n×2
156843500
n×3
235265250
n×4
313687000
n×5
392108750
n÷2
39210875
n÷3
26140583.333333
n÷3
19605437.5
n÷5
15684350
n2
6149970873062500
n3
4.8229147831459E+23
n4
3.7822141739517E+31
n5
2.966078543961E+39
2 √n
8855.6055693555
3 √n
428.03456718512
4 √n
94.104227159865
5 √n
37.921657014165
1 , 2 , 25 , 50 , 55 , 110 , 1375 , 2750 , 28517 , 57034 , 712925 , 1425850 , 1568435 , 3136870 , 39210875 , 78421750
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78421749
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78421750 can be divided by 16 positive divisors.
The sum of these divisors (counting 78421750) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011001001111011110110
3
Ternary
12110120020102021
4
Quaternary
10223021323312
5
Quinary
130033444000
6
Senary
11440503354
8
Octal
453117366
10
Decimal
78421750
12
Duodecimal
2231ab5a
16
Hexadecimal
4ac9ef6
20
Vigesimal
14a2e7a
36
Base36
1aouly
md5
89925d2ccf21ebf7beb72bbe7b5ee986
sha1
3b0c779f901adfac45a749cc2a3f6d154fefb302
sha256
9783a5ac5697f5fb4f67b981aefebd3c79da040f2ad4c9285b658b50c86a0f0c
sha512
3aadb77dca54795e7fe8a9d23ded6c4202755a2be5605d766120ce3710b65810ebe3d1fd213b2d7627bf13c0590417128e07d0b5cd8f16c63c144944c80b1716
ripemd-160
047233f97c74bc294cfedb45c72d3d54ae8daa6b
Diameter
156843500
Circumference
492738387.36331
Area
1.9320703314604E+16
Volume
2.0202178202161E+24
Surface area
7.7282813258417E+16
Circumference
492738387.36331
Perimeter
313687000
Area
6149970873062500
Diagonal
110905102.43503
Surface area
36899825238375000
Volume
4.8229147831459E+23
Space diagonal
135830455.41846
Perimeter
235265250
Area
2.6630155043032E+15
Altitude
67915227.709232
Surface area
2.6630155043032E+15
Volume
5.6838595804122E+22
Height
36968367.478344