78889420 is an even 8-digits composite number following 78889419
and preceding 78889421 . In scientific notation, it is written as 7.8889420 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 30537600 positive integers (up to 78889420) that are relatively prime to 78889420.
78889420 has 24 divisors, whose sum is 171013248
The reverse of 78889420 is 02498887
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-eight million eight hundred eighty-nine thousand four hundred twenty
Scientific notation
7.8889420 × 10^7
Engineering notation
7.8889420 × 10^6
Prime Factorization
2 × 2 × 5 × 31 × 127241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39444710
Product of the distinct prime numbers
The prime factorization of 78889420 is 2 × 2 × 5 × 31 × 127241.
Since it has a total of 5 prime factors.
1 , 6 , 26 , 61 , 466 , 453 , 3788 , 6455 , 34616 , 39669 , 338261 , 707044 , 8680629 , 8429543 , 92468737 , 39291495 , 150318007 , 240090322 , 1350115856 , 7177660005
n×2
157778840
n×3
236668260
n×4
315557680
n×5
394447100
n÷2
39444710
n÷3
26296473.333333
n÷3
19722355
n÷5
15777884
n2
6223540587936400
n3
4.9097150732876E+23
n4
3.8732457449692E+31
n5
3.0555811033809E+39
2 √n
8881.9716279664
3 √n
428.88374620843
4 √n
94.244212702778
5 √n
37.966778851574
1 , 2 , 4 , 5 , 10 , 20 , 31 , 62 , 124 , 155 , 310 , 620 , 127241 , 254482 , 508964 , 636205 , 1272410 , 2544820 , 3944471 , 7888942 , 15777884 , 19722355 , 39444710 , 78889420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78889419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78889420 can be divided by 24 positive divisors.
The sum of these divisors (counting 78889420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101100111100000111001100
3
Ternary
12111102222221101
4
Quaternary
10230330013030
5
Quinary
130143430140
6
Senary
11454512444
8
Octal
454740714
10
Decimal
78889420
12
Duodecimal
22505724
16
Hexadecimal
4b3c1cc
20
Vigesimal
14d13b0
36
Base36
1ayvgs
md5
c95fadacce13b52da5058cbada697bfa
sha1
e6c053a68cb850c7a1c4d8ed82e8126f224303cf
sha256
eb85beb96036c549a33fb45d3a9b0f4fe5e9c09ea76a34817573ab0f153921f4
sha512
93e57596b8c1b5442ff9842ea44e1932d8ff4cac0863c6ac295275716faa2c2d1b8449abb66c52ddbcf2e96a37ef93a555cd0e8ad03f1f10d848dc0149978d24
ripemd-160
e85ba7aa5edc5850488c4a4b2102f389abd469ad
Diameter
157778840
Circumference
495676844.63592
Area
1.9551829390379E+16
Volume
2.0565766407279E+24
Surface area
7.8207317561516E+16
Circumference
495676844.63592
Perimeter
315557680
Area
6223540587936400
Diagonal
111566487.69175
Surface area
37341243527618400
Volume
4.9097150732876E+23
Space diagonal
136640483.61964
Perimeter
236668260
Area
2.6948721253182E+15
Altitude
68320241.80982
Surface area
2.6948721253182E+15
Volume
5.7861547033591E+22
Height
37188829.230582