78131780 is an even 8-digits composite number following 78131779
and preceding 78131781 . In scientific notation, it is written as 7.8131780 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 30244320 positive integers (up to 78131780) that are relatively prime to 78131780.
78131780 has 24 divisors, whose sum is 169370880
The reverse of 78131780 is 08713187
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-eight million one hundred thirty-one thousand seven hundred eighty
Scientific notation
7.8131780 × 10^7
Engineering notation
7.8131780 × 10^6
Prime Factorization
2 × 2 × 5 × 31 × 126019
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39065890
Product of the distinct prime numbers
The prime factorization of 78131780 is 2 × 2 × 5 × 31 × 126019.
Since it has a total of 5 prime factors.
10 , 6 , 55 , 71 , 176 , 957 , 4732 , 1 , 92758 , 38985 , 234324 , 872585 , 3836383 , 882680 , 73974217 , 11529653 , 462812945 , 818257560 , 1030138060 , 292946147
n×2
156263560
n×3
234395340
n×4
312527120
n×5
390658900
n÷2
39065890
n÷3
26043926.666667
n÷3
19532945
n÷5
15626356
n2
6104575045968400
n3
4.7696131448509E+23
n4
3.726583649186E+31
n5
2.911646138298E+39
2 √n
8839.2182912292
3 √n
427.5063528575
4 √n
94.017117011899
5 √n
37.893571839663
1 , 2 , 4 , 5 , 10 , 20 , 31 , 62 , 124 , 155 , 310 , 620 , 126019 , 252038 , 504076 , 630095 , 1260190 , 2520380 , 3906589 , 7813178 , 15626356 , 19532945 , 39065890 , 78131780
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
-78131779
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 78131780 can be divided by 24 positive divisors.
The sum of these divisors (counting 78131780) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101010000011001001000100
3
Ternary
12110000111122122
4
Quaternary
10222003021010
5
Quinary
130000204110
6
Senary
11430345112
8
Octal
452031104
10
Decimal
78131780
12
Duodecimal
221bb198
16
Hexadecimal
4a83244
20
Vigesimal
1486990
36
Base36
1aimv8
md5
b9ec6694e5129acc29194776c3757317
sha1
8316b8e2007749a3da1449e82e75116bf2abdce5
sha256
2479764139100034634036366dc5c87fc6dc70253b554665264df1363e2bf07b
sha512
e49f30649423f57b30508bf8de0a6037d2b94cff98974c8d1110c3442a88e5fdced9909f73786f5e392c04f7a486153ef600512d559309e93a106cdd146cb21e
ripemd-160
4c0f7cdf17a7e886cf8229c45fca62979183e442
Diameter
156263560
Circumference
490916452.11979
Area
1.9178088117702E+16
Volume
1.9978908821772E+24
Surface area
7.6712352470808E+16
Circumference
490916452.11979
Perimeter
312527120
Area
6104575045968400
Diagonal
110495022.92835
Surface area
36627450275810400
Volume
4.7696131448509E+23
Space diagonal
135328212.64579
Perimeter
234395340
Area
2.6433585345586E+15
Altitude
67664106.322897
Surface area
2.6433585345586E+15
Volume
5.6210429972676E+22
Height
36831674.30945