78989864 is an even 8-digits composite number following 78989863
and preceding 78989865 . In scientific notation, it is written as 7.8989864 × 10^7.
The sum of its digits is 59. It has a total of 4 prime factors and 8 positive divisors.
There are 39494928 positive integers (up to 78989864) that are relatively prime to 78989864.
78989864 has 8 divisors, whose sum is 148106010
The reverse of 78989864 is 46898987
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 59
Digital Root 5
Name
seventy-eight million nine hundred eighty-nine thousand eight hundred sixty-four
Scientific notation
7.8989864 × 10^7
Engineering notation
7.8989864 × 10^6
Prime Factorization
2 × 2 × 2 × 9873733
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19747466
Product of the distinct prime numbers
The prime factorization of 78989864 is 2 × 2 × 2 × 9873733.
Since it has a total of 4 prime factors.
7 , 3 , 80 , 37 , 324 , 536 , 4300 , 1498 , 76688 , 18353 , 205240 , 655524 , 4444247 , 2433512 , 85228859 , 13631474 , 163918465 , 134852411 , 4468324600 , 3239523067
n×2
157979728
n×3
236969592
n×4
315959456
n×5
394949320
n÷2
39494932
n÷3
26329954.666667
n÷3
19747466
n÷5
15797972.8
n2
6239398614738496
n3
4.9284924801998E+23
n4
3.8930095073601E+31
n5
3.0750829153708E+39
2 √n
8887.6242044767
3 √n
429.06569088036
4 √n
94.274196917697
5 √n
37.976441983644
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
-78989863
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 78989864 can be divided by 8 positive divisors.
The sum of these divisors (counting 78989864) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101101010100101000101000
3
Ternary
12111122002201112
4
Quaternary
10231110220220
5
Quinary
130210133424
6
Senary
11501005452
8
Octal
455245050
10
Decimal
78989864
12
Duodecimal
22553888
16
Hexadecimal
4b54a28
20
Vigesimal
14dded4
36
Base36
1b10yw
md5
0087d551b4e0f4a8780652f5ec73d6db
sha1
f19fcc02c505669fa77a21ef889791132fcb6166
sha256
2806bb34c0a3363a676fd3322820fbe3efa6392b4996c6a44275711784ac8cee
sha512
01299773ce36d3054eb78364d8db29d26f0660d4c6fcada0aaa6b7027344e15ea8a2a4a09e40a4206158de3698c1a2308de8773ba852c9e068c520969d71effb
ripemd-160
f91ed86aff80e26819f4b2bab577abd6ad2cd465
Diameter
157979728
Circumference
496307952.90091
Area
1.9601648850881E+16
Volume
2.0644421025424E+24
Surface area
7.8406595403523E+16
Circumference
496307952.90091
Perimeter
315959456
Area
6239398614738496
Diagonal
111708536.95881
Surface area
37436391688430976
Volume
4.9284924801998E+23
Space diagonal
136814457.73096
Perimeter
236969592
Area
2.7017388523505E+15
Altitude
68407228.865478
Surface area
2.7017388523505E+15
Volume
5.808284089627E+22
Height
37236178.986269