78434981 is an odd 8-digits prime number following 78434980
and preceding 78434982 . In scientific notation, it is written as 7.8434981 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 78434980 positive integers (up to 78434981) that are relatively prime to 78434981.
78434981 has 2 divisors, whose sum is 78434982
The reverse of 78434981 is 18943487
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-eight million four hundred thirty-four thousand nine hundred eighty-one
Scientific notation
7.8434981 × 10^7
Engineering notation
7.8434981 × 10^6
Prime Factorization
78434981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
78434981
Product of the distinct prime numbers
The prime factorization of 78434981 is 78434981.
Since it has a total of 1 prime factors.
10 , 7 , 78 , 85 , 339 , 56 , 4721 , 3136 , 46401 , 31565 , 954697 , 404795 , 4625432 , 3906266 , 68107130 , 81845043 , 760199741 , 779020009 , 7014832507 , 833519843
n×2
156869962
n×3
235304943
n×4
313739924
n×5
392174905
n÷2
39217490.5
n÷3
26144993.666667
n÷3
19608745.25
n÷5
15686996.2
n2
6152046244470361
n3
4.8253563029615E+23
n4
3.7847672994102E+31
n5
2.9685815121866E+39
2 √n
8856.352578799
3 √n
428.05863791759
4 √n
94.108196129769
5 √n
37.922936525491
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
78434982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
39217491
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8856.3526352557
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999745012
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78434981 can be divided by 2 positive divisors.
The sum of these divisors (counting 78434981) is 78434982, the average is 39217491.
Base
System
Value
2
Binary
100101011001101001010100101
3
Ternary
12110120220120022
4
Quaternary
10223031022211
5
Quinary
130034404411
6
Senary
11441044525
8
Octal
453151245
10
Decimal
78434981
12
Duodecimal
22326745
16
Hexadecimal
4acd2a5
20
Vigesimal
14a4791
36
Base36
1ap4th
md5
b5e8e69f7d8009d64c25b1808b0351da
sha1
2fda07ff7ae1c203d4499e299e287d9613704ded
sha256
1d2c0dacb55685be362ef5d798eec6c32721bde91afd22951a3ca9ceceedd39d
sha512
d970dbd260eb3e1e728718d371f97116ad8aede0b47144fc14935e070253118e7d04ec9b26da02da6479540765a2814ea623fdb4f68f5ef7075b08cc0fe2477d
ripemd-160
0a02c3410b49aac6bc6d8795443b90970e8dfb2e
Diameter
156869962
Circumference
492821520.18811
Area
1.9327223286173E+16
Volume
2.021240521645E+24
Surface area
7.7308893144691E+16
Circumference
492821520.18811
Perimeter
313739924
Area
6152046244470361
Diagonal
110923813.89468
Surface area
36912277466822166
Volume
4.8253563029615E+23
Space diagonal
135853372.1827
Perimeter
235304943
Area
2.663914166484E+15
Altitude
67926686.09135
Surface area
2.663914166484E+15
Volume
5.6867369391089E+22
Height
36974604.631559