78864868 is an even 8-digits composite number following 78864867
and preceding 78864869 . In scientific notation, it is written as 7.8864868 × 10^7.
The sum of its digits is 55. It has a total of 5 prime factors and 24 positive divisors.
There are 37908000 positive integers (up to 78864868) that are relatively prime to 78864868.
78864868 has 24 divisors, whose sum is 143408384
The reverse of 78864868 is 86846887
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
seventy-eight million eight hundred sixty-four thousand eight hundred sixty-eight
Scientific notation
7.8864868 × 10^7
Engineering notation
7.8864868 × 10^6
Prime Factorization
2 × 2 × 31 × 157 × 4051
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39432434
Product of the distinct prime numbers
The prime factorization of 78864868 is 2 × 2 × 31 × 157 × 4051.
Since it has a total of 5 prime factors.
7 , 8 , 21 , 8 , 328 , 684 , 3607 , 438 , 65703 , 83000 , 958859 , 342580 , 2747598 , 294181 , 16710283 , 373503 , 588913391 , 765697953 , 1891868081 , 7065621770
n×2
157729736
n×3
236594604
n×4
315459472
n×5
394324340
n÷2
39432434
n÷3
26288289.333333
n÷3
19716217
n÷5
15772973.6
n2
6219667404657424
n3
4.9051324887221E+23
n4
3.8684262624558E+31
n5
3.0508292655631E+39
2 √n
8880.5893948544
3 √n
428.83924912925
4 √n
94.236879165507
5 √n
37.964415349804
1 , 2 , 4 , 31 , 62 , 124 , 157 , 314 , 628 , 4051 , 4867 , 8102 , 9734 , 16204 , 19468 , 125581 , 251162 , 502324 , 636007 , 1272014 , 2544028 , 19716217 , 39432434 , 78864868
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
-78864867
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 78864868 can be divided by 24 positive divisors.
The sum of these divisors (counting 78864868) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101100110110000111100100
3
Ternary
12111101202021001
4
Quaternary
10230312013210
5
Quinary
130142133433
6
Senary
11454203044
8
Octal
454660744
10
Decimal
78864868
12
Duodecimal
224b3484
16
Hexadecimal
4b361e4
20
Vigesimal
14ci238
36
Base36
1aycis
md5
ebde38b358e06ba3471574b9a0954bd5
sha1
631b5c14414fb4d0fbabc07a01ef9e8889982b2c
sha256
15df31ffe7d282f21a03c152fa6672bbf3226872df9bbcbc29c77930f89ee434
sha512
f9301a6d2932fc06788e13e46684409e48315a5ce3b54add3f4f38ff1afaa45b113920f789ebe07fd25d66d6c5dad9e95b4fcae9d6d3082ea1c4ee9ef2a6a8ac
ripemd-160
fe32604a2c03ebec5a9b6024fe5f49ac53f06cf7
Diameter
157729736
Circumference
495522579.87026
Area
1.9539661426244E+16
Volume
2.0546570921939E+24
Surface area
7.8158645704975E+16
Circumference
495522579.87026
Perimeter
315459472
Area
6219667404657424
Diagonal
111531765.92036
Surface area
37318004427944544
Volume
4.9051324887221E+23
Space diagonal
136597958.30821
Perimeter
236594604
Area
2.6931949877617E+15
Altitude
68298979.154106
Surface area
2.6931949877617E+15
Volume
5.7807540756564E+22
Height
37177255.306788