78284889 is an odd 8-digits composite number following 78284888
and preceding 78284890 . In scientific notation, it is written as 7.8284889 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 50506200 positive integers (up to 78284889) that are relatively prime to 78284889.
78284889 has 12 divisors, whose sum is 116726272
The reverse of 78284889 is 98848287
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-eight million two hundred eighty-four thousand eight hundred eighty-nine
Scientific notation
7.8284889 × 10^7
Engineering notation
7.8284889 × 10^6
Prime Factorization
3 × 3 × 31 × 280591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
26094963
Product of the distinct prime numbers
The prime factorization of 78284889 is 3 × 3 × 31 × 280591.
Since it has a total of 4 prime factors.
3 , 8 , 95 , 79 , 124 , 878 , 4069 , 7600 , 53137 , 92262 , 820792 , 823838 , 1239640 , 8910899 , 10088536 , 15138430 , 180225668 , 985805501 , 7106941437 , 4612394126
n×2
156569778
n×3
234854667
n×4
313139556
n×5
391424445
n÷2
39142444.5
n÷3
26094963
n÷3
19571222.25
n÷5
15656977.8
n2
6128523845742321
n3
4.7977080899779E+23
n4
3.7558804527832E+31
n5
2.940286843434E+39
2 √n
8847.8748295848
3 √n
427.78542137851
4 √n
94.06314277965
5 √n
37.908411651203
1 , 3 , 9 , 31 , 93 , 279 , 280591 , 841773 , 2525319 , 8698321 , 26094963 , 78284889
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78284888
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78284889 can be divided by 12 positive divisors.
The sum of these divisors (counting 78284889) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101010101000100001011001
3
Ternary
12110022021200100
4
Quaternary
10222220201121
5
Quinary
130020104024
6
Senary
11433530013
8
Octal
452504131
10
Decimal
78284889
12
Duodecimal
22273909
16
Hexadecimal
4aa8859
20
Vigesimal
1495c49
36
Base36
1alx09
md5
88ac3a548da638e1911548084052dc1f
sha1
2522f0b375961eeeabada14d20ca395ae7b0e7ff
sha256
f9855a70b8a19b6e9e2989e67a146c18207e36fb7e774bf351ba6fe901f4cc79
sha512
87f42bd013673822edfa1261c8e4c08eab380b088e587959fa6c9df462aa12c58adc624688e06ab8d7fb972f77c5a16569bb1d01be388c945ee039d72b9830db
ripemd-160
c295612c624e4fc92fd4d1376dc0efb1074d4340
Diameter
156569778
Circumference
491878464.33898
Area
1.9253325491134E+16
Volume
2.0096592652724E+24
Surface area
7.7013301964536E+16
Circumference
491878464.33898
Perimeter
313139556
Area
6128523845742321
Diagonal
110711551.75267
Surface area
36771143074453926
Volume
4.7977080899779E+23
Space diagonal
135593405.21289
Perimeter
234854667
Area
2.6537286690558E+15
Altitude
67796702.606445
Surface area
2.6537286690558E+15
Volume
5.6541532076282E+22
Height
36903850.584224