78897131 is an odd 8-digits composite number following 78897130
and preceding 78897132 . In scientific notation, it is written as 7.8897131 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 76901832 positive integers (up to 78897131) that are relatively prime to 78897131.
78897131 has 8 divisors, whose sum is 80900160
The reverse of 78897131 is 13179887
Previous prime number is 563
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-eight million eight hundred ninety-seven thousand one hundred thirty-one
Scientific notation
7.8897131 × 10^7
Engineering notation
7.8897131 × 10^6
Prime Factorization
43 × 563 × 3259
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78897131
Product of the distinct prime numbers
The prime factorization of 78897131 is 43 × 563 × 3259.
Since it has a total of 3 prime factors.
9 , 6 , 95 , 17 , 369 , 581 , 9200 , 7656 , 49475 , 75213 , 127148 , 400950 , 7474299 , 5685868 , 98784270 , 44979830 , 619250180 , 777349744 , 9114390613 , 5830152243
n×2
157794262
n×3
236691393
n×4
315588524
n×5
394485655
n÷2
39448565.5
n÷3
26299043.666667
n÷3
19724282.75
n÷5
15779426.2
n2
6224757280031161
n3
4.9111549056582E+23
n4
3.8747603195301E+31
n5
3.0570747252357E+39
2 √n
8882.4056989084
3 √n
428.89771941642
4 √n
94.246515579667
5 √n
37.967521030655
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
-78897130
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 78897131 can be divided by 8 positive divisors.
The sum of these divisors (counting 78897131) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111101111111101011
3
Ternary
12111110101111222
4
Quaternary
10230331333223
5
Quinary
130144202011
6
Senary
11455012255
8
Octal
454757753
10
Decimal
78897131
12
Duodecimal
2250a08b
16
Hexadecimal
4b3dfeb
20
Vigesimal
14d22gb
36
Base36
1az1ez
md5
fd29d2c168f256c9f2331ac66bf9f942
sha1
87705c025babbdefc6f8b3bc625f6a460c7c4f63
sha256
1ebd98011d80ee4d8f8699629b6480889df3f3991068d6c8e22599cbc4c9df47
sha512
418a8956acad012b523d9d74f0ebf9821f028661f6d6c3b9dbe716ecb729ca60ec6624897db74c6c39d80ee73a602604c799d4c09ef9655550ef77c3c241a4a2
ripemd-160
2794199d143c707b6128d19b08b547fd2a6cfd99
Diameter
157794262
Circumference
495725294.27782
Area
1.9555651741325E+16
Volume
2.057179756301E+24
Surface area
7.8222606965302E+16
Circumference
495725294.27782
Perimeter
315588524
Area
6224757280031161
Diagonal
111577392.69253
Surface area
37348543680186966
Volume
4.9111549056582E+23
Space diagonal
136653839.46342
Perimeter
236691393
Area
2.6953989684496E+15
Altitude
68326919.731709
Surface area
2.6953989684496E+15
Volume
5.7878515620808E+22
Height
37192464.230842