78897013 is an odd 8-digits composite number following 78897012
and preceding 78897014 . In scientific notation, it is written as 7.8897013 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 71829504 positive integers (up to 78897013) that are relatively prime to 78897013.
78897013 has 8 divisors, whose sum is 86130968
The reverse of 78897013 is 31079887
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-eight million eight hundred ninety-seven thousand thirteen
Scientific notation
7.8897013 × 10^7
Engineering notation
7.8897013 × 10^6
Prime Factorization
13 × 73 × 83137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78897013
Product of the distinct prime numbers
The prime factorization of 78897013 is 13 × 73 × 83137.
Since it has a total of 3 prime factors.
4 , 4 , 36 , 39 , 504 , 862 , 8369 , 1817 , 11523 , 93317 , 612461 , 839798 , 4351903 , 2519349 , 40016033 , 32109217 , 95428056 , 164926760 , 7764059024 , 1878589034
n×2
157794026
n×3
236691039
n×4
315588052
n×5
394485065
n÷2
39448506.5
n÷3
26299004.333333
n÷3
19724253.25
n÷5
15779402.6
n2
6224738660322169
n3
4.9111328700504E+23
n4
3.8747371389309E+31
n5
3.0570518642182E+39
2 √n
8882.3990565612
3 √n
428.89750559388
4 √n
94.246480340442
5 √n
37.967509673664
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78897012
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78897013 can be divided by 8 positive divisors.
The sum of these divisors (counting 78897013) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111101111101110101
3
Ternary
12111110101100121
4
Quaternary
10230331331311
5
Quinary
130144201023
6
Senary
11455011541
8
Octal
454757565
10
Decimal
78897013
12
Duodecimal
22509bb1
16
Hexadecimal
4b3df75
20
Vigesimal
14d22ad
36
Base36
1az1bp
md5
9893597a51e776e717dfed3552126824
sha1
88530faad2dc84a496317c89301c69bac2a6806f
sha256
8e12b104fca2d571b5ee596bf56bb7adeca009bb259dd31b7487bb5ee2bdc8b0
sha512
0d4e83fa6ab73db2c1b4af40d94e0e30be35d6a2edb054f553e9cd813b671cc8ab9fd5d4b39872c8f6526ce2f289e9850c068c2676fa9f1005ba14b0844cc5c9
ripemd-160
4f792d1ea11ea9523f5e53d0696c13f2f35c185f
Diameter
157794026
Circumference
495724552.86196
Area
1.9555593245784E+16
Volume
2.0571705260472E+24
Surface area
7.8222372983138E+16
Circumference
495724552.86196
Perimeter
315588052
Area
6224738660322169
Diagonal
111577225.81533
Surface area
37348431961933014
Volume
4.9111328700504E+23
Space diagonal
136653635.08142
Perimeter
236691039
Area
2.6953909058791E+15
Altitude
68326817.540711
Surface area
2.6953909058791E+15
Volume
5.787825592868E+22
Height
37192408.605109