78148889 is an odd 8-digits composite number following 78148888
and preceding 78148890 . In scientific notation, it is written as 7.8148889 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 61672320 positive integers (up to 78148889) that are relatively prime to 78148889.
78148889 has 16 divisors, whose sum is 96432000
The reverse of 78148889 is 98884187
Previous prime number is 499
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
seventy-eight million one hundred forty-eight thousand eight hundred eighty-nine
Scientific notation
7.8148889 × 10^7
Engineering notation
7.8148889 × 10^6
Prime Factorization
7 × 13 × 499 × 1721
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78148889
Product of the distinct prime numbers
The prime factorization of 78148889 is 7 × 13 × 499 × 1721.
Since it has a total of 4 prime factors.
2 , 4 , 17 , 55 , 16 , 220 , 5667 , 2903 , 80232 , 78076 , 215022 , 819091 , 5723307 , 6138825 , 64706415 , 82126630 , 791339416 , 675245419 , 4934368224 , 2828986198
n×2
156297778
n×3
234446667
n×4
312595556
n×5
390744445
n÷2
39074444.5
n÷3
26049629.666667
n÷3
19537222.25
n÷5
15629777.8
n2
6107248851934321
n3
4.7727471262519E+23
n4
3.7298488539453E+31
n5
2.9148354407375E+39
2 √n
8840.1860274544
3 √n
427.53755515178
4 √n
94.022263466981
5 √n
37.895231252366
1 , 7 , 13 , 91 , 499 , 1721 , 3493 , 6487 , 12047 , 22373 , 45409 , 156611 , 858779 , 6011453 , 11164127 , 78148889
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
-78148888
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 78148889 can be divided by 16 positive divisors.
The sum of these divisors (counting 78148889) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010000111010100011001
3
Ternary
12110001101010022
4
Quaternary
10222013110121
5
Quinary
130001231024
6
Senary
11431000225
8
Octal
452072431
10
Decimal
78148889
12
Duodecimal
22209075
16
Hexadecimal
4a87519
20
Vigesimal
1488c49
36
Base36
1aj02h
md5
4201d0f67c3cec5c02c3adc10cb8fd3a
sha1
f89667fdfea287f52d60a4559ebb9bbd42608e36
sha256
2c2cf4b8a50cb7503d60954350f62b90ee887839844e283d2d6da438921f5588
sha512
51ba7f45b46c2fe5cbaed1cb8b22aad7053b80dbeae739bbbc7321ddd9c8291669744a16299aa6d42d558ab052abed314857715e034e6a2468345fbc27b09a0d
ripemd-160
ce187dfe5bc902efed86aa27943157efded544a2
Diameter
156297778
Circumference
491023951.13721
Area
1.9186488126882E+16
Volume
1.9992036412366E+24
Surface area
7.6745952507526E+16
Circumference
491023951.13721
Perimeter
312595556
Area
6107248851934321
Diagonal
110519218.70819
Surface area
36643493111605926
Volume
4.7727471262519E+23
Space diagonal
135357846.30306
Perimeter
234446667
Area
2.6445163265042E+15
Altitude
67678923.15153
Surface area
2.6445163265042E+15
Volume
5.6247364297689E+22
Height
36839739.569397