78941421 is an odd 8-digits composite number following 78941420
and preceding 78941422 . In scientific notation, it is written as 7.8941421 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 44029440 positive integers (up to 78941421) that are relatively prime to 78941421.
78941421 has 32 divisors, whose sum is 92252160
The reverse of 78941421 is 12414987
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-eight million nine hundred forty-one thousand four hundred twenty-one
Scientific notation
7.8941421 × 10^7
Engineering notation
7.8941421 × 10^6
Prime Factorization
51 × 39 × 13 × 43 × 71
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
78941421
Product of the distinct prime numbers
The prime factorization of 78941421 is 51 × 39 × 13 × 43 × 71.
Since it has a total of 5 prime factors.
9 , 5 , 26 , 8 , 189 , 496 , 8684 , 5201 , 28333 , 55537 , 856883 , 540473 , 3672698 , 1368977 , 49699503 , 59280952 , 358051330 , 585064384 , 4664568858 , 6027751009
n×2
157882842
n×3
236824263
n×4
315765684
n×5
394707105
n÷2
39470710.5
n÷3
26313807
n÷3
19735355.25
n÷5
15788284.2
n2
6231747949499241
n3
4.9194303844731E+23
n4
3.8834682506088E+31
n5
3.0656650211144E+39
2 √n
8884.8984800053
3 √n
428.97796030025
4 √n
94.259739443759
5 √n
37.971782792827
1 , 13 , 39 , 43 , 51 , 71 , 507 , 559 , 663 , 923 , 1677 , 1989 , 2193 , 2769 , 3053 , 3621 , 21801 , 25857 , 28509 , 35997 , 39689 , 47073 , 85527 , 119067 , 141219 , 155703 , 1111851 , 1547871 , 1835847 , 2024139 , 6072417 , 78941421
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78941420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78941421 can be divided by 32 positive divisors.
The sum of these divisors (counting 78941421) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101101001000110011101101
3
Ternary
12111112122021100
4
Quaternary
10231020303231
5
Quinary
130202111141
6
Senary
11455553313
8
Octal
455106355
10
Decimal
78941421
12
Duodecimal
2252b839
16
Hexadecimal
4b48ced
20
Vigesimal
14d7db1
36
Base36
1azzl9
md5
40b0185eec6daab585d3a31829610c56
sha1
d5c9cf60753e508a9e5cd9a7e3128cf48af31e5d
sha256
ef77b446642e4270180a3d423a404f4de5843b1af8ffa8092445339f17ec4c78
sha512
a05a854b4dc3f4b50e4ef34613f603834cee4f35e913b61b1c389adc5004df5a03042f22e7fae9595230c55a0ea813d8fb08f91df0f2014a1c99e92cffc9fb45
ripemd-160
c9c63d1e2361caa9b29119a84a98ee5faac5439b
Diameter
157882842
Circumference
496003576.55508
Area
1.957761357717E+16
Volume
2.0606461807609E+24
Surface area
7.831045430868E+16
Circumference
496003576.55508
Perimeter
315765684
Area
6231747949499241
Diagonal
111640028.2112
Surface area
37390487696995446
Volume
4.9194303844731E+23
Space diagonal
136730551.99368
Perimeter
236824263
Area
2.698426017124E+15
Altitude
68365275.996842
Surface area
2.698426017124E+15
Volume
5.7976043073934E+22
Height
37213342.737068