78384490 is an even 8-digits composite number following 78384489
and preceding 78384491 . In scientific notation, it is written as 7.8384490 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 31188880 positive integers (up to 78384490) that are relatively prime to 78384490.
78384490 has 16 divisors, whose sum is 141834240
The reverse of 78384490 is 09448387
Previous prime number is 191
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-eight million three hundred eighty-four thousand four hundred ninety
Scientific notation
7.8384490 × 10^7
Engineering notation
7.8384490 × 10^6
Prime Factorization
2 × 5 × 191 × 41039
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78384490
Product of the distinct prime numbers
The prime factorization of 78384490 is 2 × 5 × 191 × 41039.
Since it has a total of 4 prime factors.
3 , 7 , 27 , 31 , 697 , 841 , 3565 , 2834 , 30109 , 60565 , 83468 , 389499 , 2197145 , 7274344 , 11474334 , 1098406 , 384301806 , 792662755 , 9920283812 , 2664758190
n×2
156768980
n×3
235153470
n×4
313537960
n×5
391922450
n÷2
39192245
n÷3
26128163.333333
n÷3
19596122.5
n÷5
15676898
n2
6144128272560100
n3
4.816043611392E+23
n4
3.7750312229672E+31
n5
2.9590389714636E+39
2 √n
8853.5015671767
3 √n
427.96676671529
4 √n
94.093047390212
5 √n
37.918052836627
1 , 2 , 5 , 10 , 191 , 382 , 955 , 1910 , 41039 , 82078 , 205195 , 410390 , 7838449 , 15676898 , 39192245 , 78384490
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
-78384489
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 78384490 can be divided by 16 positive divisors.
The sum of these divisors (counting 78384490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011000000110101101010
3
Ternary
12110111100022021
4
Quaternary
10223000311222
5
Quinary
130031300430
6
Senary
11440015054
8
Octal
453006552
10
Decimal
78384490
12
Duodecimal
2230148a
16
Hexadecimal
4ac0d6a
20
Vigesimal
149i14a
36
Base36
1ao1uy
md5
9c442a1b69ddb60117b197274c5f0f41
sha1
fa7e8f025356445ddea5b7318e9f1a3227a1c396
sha256
1661d3237d587df6f3811f650de3583a041eeca2dd2552ead3e2239821ea1252
sha512
c836b0d292f503f85032c38e539d23bef653cbc7dd8019f597e8b92e3d2853a1f5408288dc0d19b1d7e7094106862b285442e6d999b73ffb2e0687062fee68f9
ripemd-160
4d618c1088d94900a352e137bbc4be9dfb6e5999
Diameter
156768980
Circumference
492504275.87877
Area
1.9302348243788E+16
Volume
2.0173396305223E+24
Surface area
7.7209392975153E+16
Circumference
492504275.87877
Perimeter
313537960
Area
6144128272560100
Diagonal
110852408.8377
Surface area
36864769635360600
Volume
4.816043611392E+23
Space diagonal
135765919.20537
Perimeter
235153470
Area
2.6604855840736E+15
Altitude
67882959.602687
Surface area
2.6604855840736E+15
Volume
5.6757618268424E+22
Height
36950802.945899