78820121 is an odd 8-digits prime number following 78820120
and preceding 78820122 . In scientific notation, it is written as 7.8820121 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 78820120 positive integers (up to 78820121) that are relatively prime to 78820121.
78820121 has 2 divisors, whose sum is 78820122
The reverse of 78820121 is 12102887
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
seventy-eight million eight hundred twenty thousand one hundred twenty-one
Scientific notation
7.8820121 × 10^7
Engineering notation
7.8820121 × 10^6
Prime Factorization
78820121
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
78820121
Product of the distinct prime numbers
The prime factorization of 78820121 is 78820121.
Since it has a total of 1 prime factors.
10 , 6 , 62 , 67 , 370 , 341 , 2399 , 5379 , 32113 , 71855 , 967498 , 196653 , 7559977 , 8466465 , 67387538 , 54482364 , 648789036 , 97547749 , 5150214116 , 9455950716
n×2
157640242
n×3
236460363
n×4
315280484
n×5
394100605
n÷2
39410060.5
n÷3
26273373.666667
n÷3
19705030.25
n÷5
15764024.2
n2
6212611474454641
n3
4.896787881425E+23
n4
3.8596541332525E+31
n5
3.0421840580112E+39
2 √n
8878.0696663182
3 √n
428.75812766682
4 √n
94.223509095757
5 √n
37.960106259031
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
78820122
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
39410061
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8878.0697226368
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999746258
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78820121 can be divided by 2 positive divisors.
The sum of these divisors (counting 78820121) is 78820122, the average is 39410061.
Base
System
Value
2
Binary
100101100101011001100011001
3
Ternary
12111022110212202
4
Quaternary
10230223030121
5
Quinary
130134220441
6
Senary
11453215545
8
Octal
454531431
10
Decimal
78820121
12
Duodecimal
224915b5
16
Hexadecimal
4b2b319
20
Vigesimal
14cca61
36
Base36
1axdzt
md5
a52216940d816ffe23698638e8d51c7a
sha1
0026c630e4586f113e0e0b77dee0a49b8fb109ba
sha256
8767b96f2b7735a288b7eeb36cf3f6489488078f9bc17610d30af095f4dd16b1
sha512
39ba47bc37e7d8c88cd6e5eb783dc859810d52af6a7917a79bb2794a6f29aa4a990a798ab9932569c64d330753ebd0cd0aa4a695b676751abf1e2462540ee9bb
ripemd-160
732a339a38df903cc13a1845f9531f212053d41e
Diameter
157640242
Circumference
495241426.17732
Area
1.9517494567754E+16
Volume
2.051161711263E+24
Surface area
7.8069978271017E+16
Circumference
495241426.17732
Perimeter
315280484
Area
6212611474454641
Diagonal
111468484.10609
Surface area
37275668846727846
Volume
4.896787881425E+23
Space diagonal
136520454.23073
Perimeter
236460363
Area
2.6901396803602E+15
Altitude
68260227.115363
Surface area
2.6901396803602E+15
Volume
5.7709198616462E+22
Height
37156161.368696