78897392 is an even 8-digits composite number following 78897391
and preceding 78897393 . In scientific notation, it is written as 7.8897392 × 10^7.
The sum of its digits is 53. It has a total of 6 prime factors and 20 positive divisors.
There are 33813120 positive integers (up to 78897392) that are relatively prime to 78897392.
78897392 has 20 divisors, whose sum is 174701616
The reverse of 78897392 is 29379887
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
seventy-eight million eight hundred ninety-seven thousand three hundred ninety-two
Scientific notation
7.8897392 × 10^7
Engineering notation
7.8897392 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 704441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9862174
Product of the distinct prime numbers
The prime factorization of 78897392 is 2 × 2 × 2 × 2 × 7 × 704441.
Since it has a total of 6 prime factors.
5 , 9 , 86 , 64 , 879 , 762 , 965 , 1012 , 29686 , 19048 , 760865 , 433560 , 695094 , 8529789 , 17773425 , 96693183 , 159285292 , 992563538 , 8096991691 , 8306035497
n×2
157794784
n×3
236692176
n×4
315589568
n×5
394486960
n÷2
39448696
n÷3
26299130.666667
n÷3
19724348
n÷5
15779478.4
n2
6224798464401664
n3
4.911203645669E+23
n4
3.8748115922417E+31
n5
3.0571252911924E+39
2 √n
8882.4203908619
3 √n
428.89819236214
4 √n
94.246593523914
5 √n
37.967546150732
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 704441 , 1408882 , 2817764 , 4931087 , 5635528 , 9862174 , 11271056 , 19724348 , 39448696 , 78897392
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78897391
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78897392 can be divided by 20 positive divisors.
The sum of these divisors (counting 78897392) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101100111110000011110000
3
Ternary
12111110101212122
4
Quaternary
10230332003300
5
Quinary
130144204032
6
Senary
11455013412
8
Octal
454760360
10
Decimal
78897392
12
Duodecimal
2250a268
16
Hexadecimal
4b3e0f0
20
Vigesimal
14d239c
36
Base36
1az1m8
md5
e6ff7ee07a412e56a7cc0914a9c938f9
sha1
d3387a1c7f5ecc34837ffa894e3aba192c4395e8
sha256
582af5e7b5aeef2d7c95f9b02824b9becdebc61aa7d1b1ad187081195d108f54
sha512
a414784694d17448ef1aa7bc72fe178711d5b10ee8980c678f9a3f1366ea5f8f417fe9b5d6cf5eebebbc577977220d5111949227946d2348b31571af79403b41
ripemd-160
84ed6153f148473dba0d844cc63b5fcfa50ca700
Diameter
157794784
Circumference
495726934.18919
Area
1.9555781125841E+16
Volume
2.0572001724689E+24
Surface area
7.8223124503365E+16
Circumference
495726934.18919
Perimeter
315589568
Area
6224798464401664
Diagonal
111577761.80227
Surface area
37348790786409984
Volume
4.911203645669E+23
Space diagonal
136654291.52868
Perimeter
236692176
Area
2.6954168018051E+15
Altitude
68327145.764339
Surface area
2.6954168018051E+15
Volume
5.7879090027344E+22
Height
37192587.267422