78889885 is an odd 8-digits composite number following 78889884
and preceding 78889886 . In scientific notation, it is written as 7.8889885 × 10^7.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 58417920 positive integers (up to 78889885) that are relatively prime to 78889885.
78889885 has 8 divisors, whose sum is 82146560
The reverse of 78889885 is 58898887
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 61
Digital Root 7
Name
seventy-eight million eight hundred eighty-nine thousand eight hundred eighty-five
Scientific notation
7.8889885 × 10^7
Engineering notation
7.8889885 × 10^6
Prime Factorization
115 × 31 × 22129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78889885
Product of the distinct prime numbers
The prime factorization of 78889885 is 115 × 31 × 22129.
Since it has a total of 3 prime factors.
9 , 2 , 43 , 92 , 325 , 941 , 8103 , 3196 , 19069 , 31908 , 372489 , 283262 , 2054151 , 4982635 , 47318415 , 55558318 , 963513624 , 862424084 , 2513615609 , 6671395815
n×2
157779770
n×3
236669655
n×4
315559540
n×5
394449425
n÷2
39444942.5
n÷3
26296628.333333
n÷3
19722471.25
n÷5
15777977
n2
6223613955313225
n3
4.9098018921906E+23
n4
3.873337066477E+31
n5
3.055671157406E+39
2 √n
8881.9978045483
3 √n
428.88458886706
4 √n
94.244351579011
5 √n
37.966823609187
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78889884
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78889885 can be divided by 8 positive divisors.
The sum of these divisors (counting 78889885) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111100001110011101
3
Ternary
12111110000120121
4
Quaternary
10230330032131
5
Quinary
130143434020
6
Senary
11454514541
8
Octal
454741635
10
Decimal
78889885
12
Duodecimal
22505a51
16
Hexadecimal
4b3c39d
20
Vigesimal
14d14e5
36
Base36
1ayvtp
md5
881ce49f29391795d045cc958092d60f
sha1
2b6d213a25b5078504a555fd2b1c1b276c65b552
sha256
a625f3e47bd548288aa74bac6763fb8ca4f1d334d0fcdc4b5d4a8afcc649cced
sha512
276635ffb329c91e39e91b86b5c7924130350e18e75e57b5e5f9ba9c694c179745b89d14a6d6892f223a4357e7c73e6cf91315027e4631a6e7605b3ab97d8817
ripemd-160
dbf480070c1ab526cb34e2da06048b67b2e43b87
Diameter
157779770
Circumference
495679766.31709
Area
1.9552059880791E+16
Volume
2.0566130073449E+24
Surface area
7.8208239523164E+16
Circumference
495679766.31709
Perimeter
315559540
Area
6223613955313225
Diagonal
111567145.30105
Surface area
37341683731879350
Volume
4.9098018921906E+23
Space diagonal
136641289.02327
Perimeter
236669655
Area
2.6949038943243E+15
Altitude
68320644.511633
Surface area
2.6949038943243E+15
Volume
5.7862570204175E+22
Height
37189048.433685