78988894 is an even 8-digits composite number following 78988893
and preceding 78988895 . In scientific notation, it is written as 7.8988894 × 10^7.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 39344016 positive integers (up to 78988894) that are relatively prime to 78988894.
78988894 has 8 divisors, whose sum is 118934640
The reverse of 78988894 is 49888987
Previous prime number is 263
Is Prime? no
Number parity even
Number length 8
Sum of Digits 61
Digital Root 7
Name
seventy-eight million nine hundred eighty-eight thousand eight hundred ninety-four
Scientific notation
7.8988894 × 10^7
Engineering notation
7.8988894 × 10^6
Prime Factorization
2 × 263 × 150169
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78988894
Product of the distinct prime numbers
The prime factorization of 78988894 is 2 × 263 × 150169.
Since it has a total of 3 prime factors.
3 , 5 , 91 , 22 , 44 , 426 , 8588 , 6888 , 92096 , 70254 , 428477 , 258819 , 8191564 , 3158892 , 20441979 , 39964584 , 385458104 , 827359224 , 2703923575 , 8677922589
n×2
157977788
n×3
236966682
n×4
315955576
n×5
394944470
n÷2
39494447
n÷3
26329631.333333
n÷3
19747223.5
n÷5
15797778.8
n2
6239245375343236
n3
4.9283109159298E+23
n4
3.8928182853742E+31
n5
3.0748941090468E+39
2 √n
8887.5696340451
3 √n
429.06393455618
4 √n
94.273907493246
5 √n
37.976348712614
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78988893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78988894 can be divided by 8 positive divisors.
The sum of these divisors (counting 78988894) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101101010100011001011110
3
Ternary
12111122001101121
4
Quaternary
10231110121132
5
Quinary
130210121034
6
Senary
11501001154
8
Octal
455243136
10
Decimal
78988894
12
Duodecimal
225531ba
16
Hexadecimal
4b5465e
20
Vigesimal
14ddc4e
36
Base36
1b107y
md5
16664971444cb986cc6624190d1c9e0f
sha1
ee0f1629ec87ff10df7973665566cc48d0ceebc2
sha256
f5206b0dbbec64741019050ee09b9533337f0ea2b1f521803c4866b48280c0e1
sha512
30afc4516476d18d26db869fb96cc0dcce292b0f9b71e78ac0c2c59ee9f00c6398595f91a770509c110775dfc4729b705c1cffeb09818c7a45d37ac10ea2adcc
ripemd-160
d752b0c81459d350354c4369352cd1d437796976
Diameter
157977788
Circumference
496301858.21117
Area
1.9601167435122E+16
Volume
2.0643660490788E+24
Surface area
7.840466974049E+16
Circumference
496301858.21117
Perimeter
315955576
Area
6239245375343236
Diagonal
111707165.17165
Surface area
37435472252059416
Volume
4.9283109159298E+23
Space diagonal
136812777.64167
Perimeter
236966682
Area
2.7016724977459E+15
Altitude
68406388.820836
Surface area
2.7016724977459E+15
Volume
5.8080701140827E+22
Height
37235721.723884