78312488 is an even 8-digits composite number following 78312487
and preceding 78312489 . In scientific notation, it is written as 7.8312488 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 16 positive divisors.
There are 38869888 positive integers (up to 78312488) that are relatively prime to 78312488.
78312488 has 16 divisors, whose sum is 147909780
The reverse of 78312488 is 88421387
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-eight million three hundred twelve thousand four hundred eighty-eight
Scientific notation
7.8312488 × 10^7
Engineering notation
7.8312488 × 10^6
Prime Factorization
2 × 2 × 2 × 137 × 71453
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19578122
Product of the distinct prime numbers
The prime factorization of 78312488 is 2 × 2 × 2 × 137 × 71453.
Since it has a total of 5 prime factors.
1 , 10 , 75 , 45 , 756 , 42 , 6419 , 7355 , 99294 , 52596 , 17865 , 888852 , 5531508 , 6702005 , 36561477 , 33145302 , 371860177 , 386318521 , 3858494881 , 1014316873
n×2
156624976
n×3
234937464
n×4
313249952
n×5
391562440
n÷2
39156244
n÷3
26104162.666667
n÷3
19578122
n÷5
15662497.6
n2
6132845776750144
n3
4.802784112976E+23
n4
3.7611797321402E+31
n5
2.9454734263907E+39
2 √n
8849.4343322045
3 √n
427.83568677383
4 √n
94.071432072678
5 √n
37.911084163765
1 , 2 , 4 , 8 , 137 , 274 , 548 , 1096 , 71453 , 142906 , 285812 , 571624 , 9789061 , 19578122 , 39156244 , 78312488
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
-78312487
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 78312488 can be divided by 16 positive divisors.
The sum of these divisors (counting 78312488) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010101111010000101000
3
Ternary
12110100200112112
4
Quaternary
10222233100220
5
Quinary
130021444423
6
Senary
11434301452
8
Octal
452572050
10
Decimal
78312488
12
Duodecimal
22287888
16
Hexadecimal
4aaf428
20
Vigesimal
1499148
36
Base36
1amiaw
md5
f7f313a07a244bcf639e660a0a2df0de
sha1
eef65bd225b14765392ee072f10e6f2925e82de5
sha256
f68344ec7334e78b99f7c9ca016d7540717d727451238176d2a16bc8370b7362
sha512
76c2dcd6b83f94f67415d2eabf10fcec60ca020fc5119729806e1c8a343a51659031d9d98952d0cc1b7e33130ed60002a7a732a3c0d62d936b163566147bc2e2
ripemd-160
cdf407448f51bbe087aa537bd1ceee157552c766
Diameter
156624976
Circumference
492051873.97028
Area
1.9266903237837E+16
Volume
2.0117855048137E+24
Surface area
7.706761295135E+16
Circumference
492051873.97028
Perimeter
313249952
Area
6132845776750144
Diagonal
110750582.63278
Surface area
36797074660500864
Volume
4.802784112976E+23
Space diagonal
135641208.08313
Perimeter
234937464
Area
2.6556001200789E+15
Altitude
67820604.041564
Surface area
2.6556001200789E+15
Volume
5.6601353581005E+22
Height
36916860.877593