78897394 is an even 8-digits composite number following 78897393
and preceding 78897395 . In scientific notation, it is written as 7.8897394 × 10^7.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 38282112 positive integers (up to 78897394) that are relatively prime to 78897394.
78897394 has 16 divisors, whose sum is 121862808
The reverse of 78897394 is 49379887
Previous prime number is 457
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
seventy-eight million eight hundred ninety-seven thousand three hundred ninety-four
Scientific notation
7.8897394 × 10^7
Engineering notation
7.8897394 × 10^6
Prime Factorization
2 × 37 × 457 × 2333
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78897394
Product of the distinct prime numbers
The prime factorization of 78897394 is 2 × 37 × 457 × 2333.
Since it has a total of 4 prime factors.
3 , 10 , 30 , 13 , 674 , 139 , 9641 , 4048 , 33972 , 6065 , 332867 , 789403 , 9829855 , 6969440 , 19959309 , 78518511 , 648071335 , 501577634 , 4904947170 , 5812769874
n×2
157794788
n×3
236692182
n×4
315589576
n×5
394486970
n÷2
39448697
n÷3
26299131.333333
n÷3
19724348.5
n÷5
15779478.8
n2
6224798779991236
n3
4.9112040191569E+23
n4
3.874811985138E+31
n5
3.0571256786736E+39
2 √n
8882.4205034439
3 √n
428.89819598624
4 √n
94.246594121188
5 √n
37.967546343222
1 , 2 , 37 , 74 , 457 , 914 , 2333 , 4666 , 16909 , 33818 , 86321 , 172642 , 1066181 , 2132362 , 39448697 , 78897394
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
-78897393
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 78897394 can be divided by 16 positive divisors.
The sum of these divisors (counting 78897394) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100111110000011110010
3
Ternary
12111110101212201
4
Quaternary
10230332003302
5
Quinary
130144204034
6
Senary
11455013414
8
Octal
454760362
10
Decimal
78897394
12
Duodecimal
2250a26a
16
Hexadecimal
4b3e0f2
20
Vigesimal
14d239e
36
Base36
1az1ma
md5
ffd659f5285c6897d68b7e152f1cb3e3
sha1
aad7c721c5053812bd53f383a97846c55c07563e
sha256
728ec0758c4938942fcce411c67f814535d8e6b0a099499e1e4969b21d316e9e
sha512
e4e2370b7bbb214db36ab4a243d024c1dce4dfbd23f1493409750d1715c907802c40c6972eb6e728ad4812ad2bba01ee62c0c27fbc352101d1e07585af987cba
ripemd-160
8befb0eafce80f515b335b2e48dd34ca46d0dfc3
Diameter
157794788
Circumference
495726946.75556
Area
1.9555782117295E+16
Volume
2.0572003289152E+24
Surface area
7.8223128469181E+16
Circumference
495726946.75556
Perimeter
315589576
Area
6224798779991236
Diagonal
111577764.63069
Surface area
37348792679947416
Volume
4.9112040191569E+23
Space diagonal
136654294.99278
Perimeter
236692182
Area
2.6954169384594E+15
Altitude
68327147.49639
Surface area
2.6954169384594E+15
Volume
5.7879094428941E+22
Height
37192588.210231