78989890 is an even 8-digits composite number following 78989889
and preceding 78989891 . In scientific notation, it is written as 7.8989890 × 10^7.
The sum of its digits is 58. It has a total of 3 prime factors and 8 positive divisors.
There are 27082224 positive integers (up to 78989890) that are relatively prime to 78989890.
78989890 has 8 divisors, whose sum is 121870224
The reverse of 78989890 is 09898987
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 58
Digital Root 4
Name
seventy-eight million nine hundred eighty-nine thousand eight hundred ninety
Scientific notation
7.8989890 × 10^7
Engineering notation
7.8989890 × 10^6
Prime Factorization
2 × 35 × 1128427
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78989890
Product of the distinct prime numbers
The prime factorization of 78989890 is 2 × 35 × 1128427.
Since it has a total of 3 prime factors.
5 , 3 , 8 , 33 , 358 , 999 , 8992 , 9183 , 60605 , 25706 , 882754 , 196286 , 8058010 , 7120946 , 63612142 , 60963489 , 571580306 , 733395405 , 9315180312 , 8844633973
n×2
157979780
n×3
236969670
n×4
315959560
n×5
394949450
n÷2
39494945
n÷3
26329963.333333
n÷3
19747472.5
n÷5
15797978
n2
6239402722212100
n3
4.9284973469323E+23
n4
3.8930146329948E+31
n5
3.0750879762865E+39
2 √n
8887.6256671847
3 √n
429.06573795689
4 √n
94.274204675429
5 √n
37.976444483679
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
-78989889
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 78989890 can be divided by 8 positive divisors.
The sum of these divisors (counting 78989890) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101101010100101001000010
3
Ternary
12111122002202111
4
Quaternary
10231110221002
5
Quinary
130210134030
6
Senary
11501005534
8
Octal
455245102
10
Decimal
78989890
12
Duodecimal
225538aa
16
Hexadecimal
4b54a42
20
Vigesimal
14ddeea
36
Base36
1b10zm
md5
a2461d89e3217a7a0f24ddfedf291672
sha1
fb2e0b4b5e96a5e99a645b4076514b9c2450ea93
sha256
40bd89c33620de8ff02e30eac6a7509370e5e6174b5e58b9822431780fcbaee5
sha512
b734c4e2de63c18d05c49c002a122f21afda76bd6d91f8faff38e473ab39dccbc08f377917826824fadcefb00acf786c3e9e7b986241b936bca51981181c7238
ripemd-160
9cfc8d487d1ad83a74189d2291fcf47c3338f9cf
Diameter
157979780
Circumference
496308116.26373
Area
1.960166175489E+16
Volume
2.0644441411146E+24
Surface area
7.8406647019559E+16
Circumference
496308116.26373
Perimeter
315959560
Area
6239402722212100
Diagonal
111708573.72836
Surface area
37436416333272600
Volume
4.9284973469323E+23
Space diagonal
136814502.76428
Perimeter
236969670
Area
2.7017406309387E+15
Altitude
68407251.382138
Surface area
2.7017406309387E+15
Volume
5.8082898251263E+22
Height
37236191.242786