78897678 is an even 8-digits composite number following 78897677
and preceding 78897679 . In scientific notation, it is written as 7.8897678 × 10^7.
The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors.
There are 25739576 positive integers (up to 78897678) that are relatively prime to 78897678.
78897678 has 16 divisors, whose sum is 161153280
The reverse of 78897678 is 87679887
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 60
Digital Root 6
Name
seventy-eight million eight hundred ninety-seven thousand six hundred seventy-eight
Scientific notation
7.8897678 × 10^7
Engineering notation
7.8897678 × 10^6
Prime Factorization
2 × 3 × 47 × 279779
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78897678
Product of the distinct prime numbers
The prime factorization of 78897678 is 2 × 3 × 47 × 279779.
Since it has a total of 4 prime factors.
5 , 5 , 61 , 6 , 169 , 340 , 5540 , 7773 , 38871 , 80211 , 622266 , 807889 , 5545144 , 2841260 , 58832039 , 40448705 , 514987644 , 496511783 , 9482826986 , 5815546161
n×2
157795356
n×3
236693034
n×4
315590712
n×5
394488390
n÷2
39448839
n÷3
26299226
n÷3
19724419.5
n÷5
15779535.6
n2
6224843593791684
n3
4.9112570546334E+23
n4
3.8748677767169E+31
n5
3.0571807013999E+39
2 √n
8882.4364900628
3 √n
428.89871060798
4 √n
94.246678933864
5 √n
37.967573676869
1 , 2 , 3 , 6 , 47 , 94 , 141 , 282 , 279779 , 559558 , 839337 , 1678674 , 13149613 , 26299226 , 39448839 , 78897678
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
-78897677
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 78897678 can be divided by 16 positive divisors.
The sum of these divisors (counting 78897678) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100111110001000001110
3
Ternary
12111110102021020
4
Quaternary
10230332020032
5
Quinary
130144211203
6
Senary
11455015010
8
Octal
454761016
10
Decimal
78897678
12
Duodecimal
2250a466
16
Hexadecimal
4b3e20e
20
Vigesimal
14d243i
36
Base36
1az1u6
md5
f69b3b2263412ec93fdfb7c60105ec26
sha1
6cabf9db80af9931a73e83d66d3d5e9bf10f552d
sha256
f6a1a3d382d65c8ed7f72724638fb456eda3a86dbf4f7881a2ac286b35237809
sha512
80211d7a6dac0488360b8d1ccb10d8a5c496316e150ffcec83c813192c6f1d80ba8f081ba5d3dac504062b4c7b2340022ae06a4d3e5a9eaaa06c95eed89a7a81
ripemd-160
fbcc09b77bbf3e0a182d778414e92ea6fb1e2e58
Diameter
157795356
Circumference
495728731.18019
Area
1.9555922904001E+16
Volume
2.0572225443636E+24
Surface area
7.8223691616006E+16
Circumference
495728731.18019
Perimeter
315590712
Area
6224843593791684
Diagonal
111578166.26735
Surface area
37349061562750104
Volume
4.9112570546334E+23
Space diagonal
136654786.89521
Perimeter
236693034
Area
2.6954363434042E+15
Altitude
68327393.447605
Surface area
2.6954363434042E+15
Volume
5.7879719458026E+22
Height
37192722.089115