78486989 is an odd 8-digits composite number following 78486988
and preceding 78486990 . In scientific notation, it is written as 7.8486989 × 10^7.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 67274556 positive integers (up to 78486989) that are relatively prime to 78486989.
78486989 has 4 divisors, whose sum is 89699424
The reverse of 78486989 is 98968487
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 59
Digital Root 5
Name
seventy-eight million four hundred eighty-six thousand nine hundred eighty-nine
Scientific notation
7.8486989 × 10^7
Engineering notation
7.8486989 × 10^6
Prime Factorization
7 × 11212427
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78486989
Product of the distinct prime numbers
The prime factorization of 78486989 is 7 × 11212427.
Since it has a total of 2 prime factors.
8 , 9 , 47 , 24 , 373 , 988 , 5764 , 5553 , 58620 , 20962 , 355582 , 715242 , 9175491 , 3739279 , 2656306 , 36109782 , 641213046 , 687426080 , 9370315279 , 6388461614
n×2
156973978
n×3
235460967
n×4
313947956
n×5
392434945
n÷2
39243494.5
n÷3
26162329.666667
n÷3
19621747.25
n÷5
15697397.8
n2
6160207442286121
n3
4.8349613376043E+23
n4
3.7948155731997E+31
n5
2.9784364815076E+39
2 √n
8859.2882896991
3 √n
428.15322817409
4 √n
94.123792367813
5 √n
37.927964315787
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78486988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78486989 can be divided by 4 positive divisors.
The sum of these divisors (counting 78486989) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011011001110111001101
3
Ternary
12110200112220112
4
Quaternary
10223121313031
5
Quinary
130043040424
6
Senary
11442125405
8
Octal
453316715
10
Decimal
78486989
12
Duodecimal
22350865
16
Hexadecimal
4ad9dcd
20
Vigesimal
14aah99
36
Base36
1aq8y5
md5
6bb87d7c45a4635b383a4f92bcfe0ba7
sha1
1f32e53670ff82318b4d814e8d6d1b39da42af82
sha256
a007c99bf33465a1b74fbc5cdb2a3eb6b10a10c23db4b66fa1d235588ca61b97
sha512
2df91abeb71a943e7e4f644d9f6eeeef030b8f1cab0b5e7e848fcfeed78ddba4076070cfb2b11e10ca676ec8a4dbbc73f83259ef3d2f3e0f79ff54db2dfd3938
ripemd-160
de0c8d6471144b9689f7307480e9b284ae0d65dd
Diameter
156973978
Circumference
493148296.08957
Area
1.9352862445275E+16
Volume
2.0252638691478E+24
Surface area
7.7411449781101E+16
Circumference
493148296.08957
Perimeter
313947956
Area
6160207442286121
Diagonal
110997364.31363
Surface area
36961244653716726
Volume
4.8349613376043E+23
Space diagonal
135943452.6811
Perimeter
235460967
Area
2.6674480688009E+15
Altitude
67971726.34055
Surface area
2.6674480688009E+15
Volume
5.6980565809913E+22
Height
36999121.437876