78312139 is an odd 8-digits prime number following 78312138
and preceding 78312140 . In scientific notation, it is written as 7.8312139 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 78312138 positive integers (up to 78312139) that are relatively prime to 78312139.
78312139 has 2 divisors, whose sum is 78312140
The reverse of 78312139 is 93121387
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
seventy-eight million three hundred twelve thousand one hundred thirty-nine
Scientific notation
7.8312139 × 10^7
Engineering notation
7.8312139 × 10^6
Prime Factorization
78312139
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
78312139
Product of the distinct prime numbers
The prime factorization of 78312139 is 78312139.
Since it has a total of 1 prime factors.
8 , 7 , 39 , 15 , 847 , 851 , 6009 , 683 , 22238 , 72117 , 825230 , 498592 , 8082638 , 6284069 , 27596053 , 73343133 , 111755695 , 580935726 , 7142884804 , 3379324460
n×2
156624278
n×3
234936417
n×4
313248556
n×5
391560695
n÷2
39156069.5
n÷3
26104046.333333
n÷3
19578034.75
n÷5
15662427.8
n2
6132791114755321
n3
4.8027199023668E+23
n4
3.7611126857222E+31
n5
2.9454077943894E+39
2 √n
8849.4146134081
3 √n
427.83505122225
4 √n
94.07132726505
5 √n
37.911050373517
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
78312140
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
39156070
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8849.414669909
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999744612
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78312139 can be divided by 2 positive divisors.
The sum of these divisors (counting 78312139) is 78312140, the average is 39156070.
Base
System
Value
2
Binary
100101010101111001011001011
3
Ternary
12110100200001121
4
Quaternary
10222233023023
5
Quinary
130021442024
6
Senary
11434300111
8
Octal
452571313
10
Decimal
78312139
12
Duodecimal
22287637
16
Hexadecimal
4aaf2cb
20
Vigesimal
149906j
36
Base36
1ami17
md5
303d9709c4d4f064a21064a06b710c8d
sha1
ff50bcc82b7f0f74727963862b323958e97fbe6f
sha256
57409c60a41afb8f4eee097835462e4693a51d1aecde49cd7a2ae5ece58617b5
sha512
d4952af19879b43ad22f220ad77f85f36de51875b6e8daf86bf622998832bff643fbb8d930172017f7324026a3b91737e208e2a513716b9574cdc98fb472d258
ripemd-160
30e23cbe2ae7c69d64b89c07144c9a6022d13f08
Diameter
156624278
Circumference
492049681.13861
Area
1.9266731512116E+16
Volume
2.0117586083367E+24
Surface area
7.7066926048464E+16
Circumference
492049681.13861
Perimeter
313248556
Area
6132791114755321
Diagonal
110750089.07225
Surface area
36796746688531926
Volume
4.8027199023668E+23
Space diagonal
135640603.5974
Perimeter
234936417
Area
2.6555764507408E+15
Altitude
67820301.798698
Surface area
2.6555764507408E+15
Volume
5.660059685172E+22
Height
36916696.357416