78422021 is an odd 8-digits composite number following 78422020
and preceding 78422022 . In scientific notation, it is written as 7.8422021 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 78403500 positive integers (up to 78422021) that are relatively prime to 78422021.
78422021 has 4 divisors, whose sum is 78440544
The reverse of 78422021 is 12022487
Previous prime number is 6551
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
seventy-eight million four hundred twenty-two thousand twenty-one
Scientific notation
7.8422021 × 10^7
Engineering notation
7.8422021 × 10^6
Prime Factorization
6551 × 11971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78422021
Product of the distinct prime numbers
The prime factorization of 78422021 is 6551 × 11971.
Since it has a total of 2 prime factors.
5 , 9 , 49 , 5 , 60 , 82 , 2856 , 5330 , 83315 , 3986 , 806215 , 220002 , 7493219 , 6204916 , 66782482 , 75383065 , 682625801 , 342377755 , 8746451610 , 9373397065
n×2
156844042
n×3
235266063
n×4
313688084
n×5
392110105
n÷2
39211010.5
n÷3
26140673.666667
n÷3
19605505.25
n÷5
15684404.2
n2
6150013377724441
n3
4.8229647825819E+23
n4
3.782266454619E+31
n5
2.9661297933172E+39
2 √n
8855.6208703851
3 √n
428.03506023386
4 √n
94.104308458142
5 √n
37.921683223106
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78422020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78422021 can be divided by 4 positive divisors.
The sum of these divisors (counting 78422021) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011001010000000000101
3
Ternary
12110120020210022
4
Quaternary
10223022000011
5
Quinary
130034001041
6
Senary
11440504525
8
Octal
453120005
10
Decimal
78422021
12
Duodecimal
2231b145
16
Hexadecimal
4aca005
20
Vigesimal
14a2f11
36
Base36
1aouth
md5
d4315d4b65bc8c27e1b281c2101dbd87
sha1
73f7bf264a8456ae36884951bc47f0d306dcde64
sha256
8da52a5aeb00bb612962e2f72b9a51517cc97d42280cf395bb374df5b4ab91d4
sha512
c71bdb6ced8e438913692384ac9ce3a3362bebd64b03b7fa56cc7bb0675ce7f70f5c643c77e4a8b645ebb7be7645d3c62a8666c22e86d5c6565f53ca54a3b040
ripemd-160
78717f9bf31e597938f033bf2385598075c1e3fc
Diameter
156844042
Circumference
492740090.10653
Area
1.9320836846938E+16
Volume
2.0202387639309E+24
Surface area
7.7283347387752E+16
Circumference
492740090.10653
Perimeter
313688084
Area
6150013377724441
Diagonal
110905485.68691
Surface area
36900080266346646
Volume
4.8229647825819E+23
Space diagonal
135830924.80423
Perimeter
235266063
Area
2.6630339093618E+15
Altitude
67915462.402117
Surface area
2.6630339093618E+15
Volume
5.6839185053126E+22
Height
36968495.228969