78897390 is an even 8-digits composite number following 78897389
and preceding 78897391 . In scientific notation, it is written as 7.8897390 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 17272320 positive integers (up to 78897390) that are relatively prime to 78897390.
78897390 has 16 divisors, whose sum is 158253696
The reverse of 78897390 is 09379887
Previous prime number is 37895
Is Prime? no Number parity even Number length 8 Sum of Digits 51 Digital Root 6
Name
seventy-eight million eight hundred ninety-seven thousand three hundred ninety
Scientific notation
7.8897390 × 10^7
Engineering notation
7.8897390 × 10^6
Prime Factorization
2 × 3 × 37895 × 347
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
78897390 Product of the distinct prime numbers
The prime factorization of 78897390 is 2 × 3 × 37895 × 347.
Since it has a total of 4 prime factors.
7 , 4 , 77 , 69 , 714 , 626 , 870 , 5907 , 33017 , 27468 , 237224 , 196186 , 6484694 , 240383 , 32324452 , 97408781 , 835864237 , 128890440 , 619725775 , 3641573406
n×2
157794780
n×3
236692170
n×4
315589560
n×5
394486950
n÷2
39448695
n÷3
26299130
n÷3
19724347.5
n÷5
15779478
n2
6224798148812100
n3
4.9112032721811E+23
n4
3.8748111993455E+31
n5
3.0571249037113E+39
2 √n8882.42027828
3 √n428.89818873804
4 √n94.246592926641
5 √n37.967545958241
1 , 2 , 3 , 6 , 347 , 694 , 1041 , 2082 , 37895 , 75790 , 113685 , 227370 , 13149565 , 26299130 , 39448695 , 78897390
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
-78897389 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 78897390 can be divided by 16 positive divisors.
The sum of these divisors (counting 78897390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100111110000011101110
3
Ternary
12111110101212120
4
Quaternary
10230332003232
5
Quinary
130144204030
6
Senary
11455013410
8
Octal
454760356
10
Decimal
78897390
12
Duodecimal
2250a266
16
Hexadecimal
4b3e0ee
20
Vigesimal
14d239a
36
Base36
1az1m6
md5
54ae494dfc959b9bcd9e642094590b03
sha1
e0c7ba992adcf3882a1dde78d1132ce7d5c09125
sha256
2f176694ac3e6fef222ad5e34fd70edd5840410f5c09df5c31379c5debdee138
sha512
55dd3022d0652955b7feb46e1a9b5965f95b55ea664edb6519389eb29d08a870e415eef84023efa4c81cd5b20a451c052d6e7685d872186545fb5d5db3ff5b77
ripemd-160
bcd6df24926335a1d106c7f3c35ea027c77ea6dc
Diameter
157794780
Circumference
495726921.62282
Area
1.9555780134387E+16
Volume
2.0572000160227E+24
Surface area
7.822312053755E+16
Circumference
495726921.62282
Perimeter
315589560
Area
6224798148812100
Diagonal
111577758.97384
Surface area
37348788892872600
Volume
4.9112032721811E+23
Space diagonal
136654288.06458
Perimeter
236692170
Area
2.6954166651508E+15
Altitude
68327144.032288
Surface area
2.6954166651508E+15
Volume
5.7879085625747E+22
Height
37192586.324613