78289938 is an even 8-digits composite number following 78289937
and preceding 78289939 . In scientific notation, it is written as 7.8289938 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 26041752 positive integers (up to 78289938) that are relatively prime to 78289938.
78289938 has 16 divisors, whose sum is 130757760
The reverse of 78289938 is 83998287
Previous prime number is 503
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-eight million two hundred eighty-nine thousand nine hundred thirty-eight
Scientific notation
7.8289938 × 10^7
Engineering notation
7.8289938 × 10^6
Prime Factorization
2 × 9 × 503 × 8647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78289938
Product of the distinct prime numbers
The prime factorization of 78289938 is 2 × 9 × 503 × 8647.
Since it has a total of 4 prime factors.
6 , 6 , 91 , 21 , 696 , 293 , 4459 , 1801 , 3822 , 59676 , 211144 , 424675 , 5281975 , 6893254 , 56926025 , 2298630 , 892185055 , 618176051 , 4463519346 , 3632208006
n×2
156579876
n×3
234869814
n×4
313159752
n×5
391449690
n÷2
39144969
n÷3
26096646
n÷3
19572484.5
n÷5
15657987.6
n2
6129314392043844
n3
4.7986364373562E+23
n4
3.7568494916516E+31
n5
2.9412351377673E+39
2 √n
8848.1601477369
3 √n
427.79461788368
4 √n
94.0646593984
5 √n
37.908900620748
1 , 2 , 9 , 18 , 503 , 1006 , 4527 , 8647 , 9054 , 17294 , 77823 , 155646 , 4349441 , 8698882 , 39144969 , 78289938
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
-78289937
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 78289938 can be divided by 16 positive divisors.
The sum of these divisors (counting 78289938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010101001110000010010
3
Ternary
12110022112121100
4
Quaternary
10222221300102
5
Quinary
130020234223
6
Senary
11434005230
8
Octal
452516022
10
Decimal
78289938
12
Duodecimal
22276816
16
Hexadecimal
4aa9c12
20
Vigesimal
14964gi
36
Base36
1am0wi
md5
9f127b519e6482788528aec39660f323
sha1
0c41648aa71a7676c401bbfdac77ac995c415b05
sha256
f11d0a05d7295e52cbbdc5466f57f7b2ef221ff4a8f8204068e670e3cef931f1
sha512
446459b42db5a9f60457bc321b8f2909ad7aa6549fe9cb43739de71d03f2102297f78e505c0f13c27d060e7ba88553d9e3712b5cede78bd3ab969c49fb3364c6
ripemd-160
52d4fe432dde1dab28a0fce80e33eb0df0a6de19
Diameter
156579876
Circumference
491910188.1416
Area
1.9255809065587E+16
Volume
2.0100481305129E+24
Surface area
7.7023236262349E+16
Circumference
491910188.1416
Perimeter
313159752
Area
6129314392043844
Diagonal
110718692.11695
Surface area
36775886352263064
Volume
4.7986364373562E+23
Space diagonal
135602150.33742
Perimeter
234869814
Area
2.6540709856458E+15
Altitude
67801075.168709
Surface area
2.6540709856458E+15
Volume
5.6552472755057E+22
Height
36906230.70565