78897474 is an even 8-digits composite number following 78897473
and preceding 78897475 . In scientific notation, it is written as 7.8897474 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 26266680 positive integers (up to 78897474) that are relatively prime to 78897474.
78897474 has 16 divisors, whose sum is 131658240
The reverse of 78897474 is 47479887
Previous prime number is 991
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-eight million eight hundred ninety-seven thousand four hundred seventy-four
Scientific notation
7.8897474 × 10^7
Engineering notation
7.8897474 × 10^6
Prime Factorization
2 × 9 × 991 × 4423
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78897474
Product of the distinct prime numbers
The prime factorization of 78897474 is 2 × 9 × 991 × 4423.
Since it has a total of 4 prime factors.
7 , 4 , 33 , 34 , 444 , 400 , 8739 , 9168 , 12297 , 64745 , 478016 , 798907 , 4682598 , 6903959 , 29920729 , 25029434 , 23340088 , 741461677 , 905376026 , 5017775428
n×2
157794948
n×3
236692422
n×4
315589896
n×5
394487370
n÷2
39448737
n÷3
26299158
n÷3
19724368.5
n÷5
15779494.8
n2
6224811403580676
n3
4.9112189586891E+23
n4
3.8748277010148E+31
n5
3.057141177953E+39
2 √n
8882.4250067197
3 √n
428.89834095024
4 √n
94.246618012106
5 √n
37.967554042849
1 , 2 , 9 , 18 , 991 , 1982 , 4423 , 8846 , 8919 , 17838 , 39807 , 79614 , 4383193 , 8766386 , 39448737 , 78897474
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
-78897473
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 78897474 can be divided by 16 positive divisors.
The sum of these divisors (counting 78897474) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100111110000101000010
3
Ternary
12111110101222200
4
Quaternary
10230332011002
5
Quinary
130144204344
6
Senary
11455014030
8
Octal
454760502
10
Decimal
78897474
12
Duodecimal
2250a316
16
Hexadecimal
4b3e142
20
Vigesimal
14d23de
36
Base36
1az1oi
md5
4ff0bf6deedf6af7f842086ee96e5d64
sha1
1aedeb4ea837fe5ff3dd70c5ec29443b53056e4f
sha256
6efa313b1e91a1031fefd9211d74d29ead5ee587a13d44fe6426093e6fdffd3a
sha512
e1f1a378e5b6e4d675f133c3977df47a745532b1c41c415a2a84f9ad82262ce92930da4b2ff7ac81b5a0978bbaa20199f1634e52e9ca9e54e6da53a9a720d930
ripemd-160
25d386b1cf5171c8544e2290e9c9de4c03578223
Diameter
157794948
Circumference
495727449.41038
Area
1.9555821775471E+16
Volume
2.0572065867718E+24
Surface area
7.8223287101884E+16
Circumference
495727449.41038
Perimeter
315589896
Area
6224811403580676
Diagonal
111577877.76778
Surface area
37348868421484056
Volume
4.9112189586891E+23
Space diagonal
136654433.55684
Perimeter
236692422
Area
2.695422404634E+15
Altitude
68327216.778422
Surface area
2.695422404634E+15
Volume
5.7879270493017E+22
Height
37192625.922593