78886989 is an odd 8-digits composite number following 78886988
and preceding 78886990 . In scientific notation, it is written as 7.8886989 × 10^7.
The sum of its digits is 63. It has a total of 5 prime factors and 24 positive divisors.
There are 50591520 positive integers (up to 78886989) that are relatively prime to 78886989.
78886989 has 24 divisors, whose sum is 118310400
The reverse of 78886989 is 98968887
Previous prime number is 479
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 63
Digital Root 9
Name
seventy-eight million eight hundred eighty-six thousand nine hundred eighty-nine
Scientific notation
7.8886989 × 10^7
Engineering notation
7.8886989 × 10^6
Prime Factorization
3 × 3 × 29 × 479 × 631
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
26295663
Product of the distinct prime numbers
The prime factorization of 78886989 is 3 × 3 × 29 × 479 × 631.
Since it has a total of 5 prime factors.
1 , 3 , 72 , 4 , 539 , 42 , 367 , 2576 , 66949 , 4540 , 647569 , 397745 , 2996393 , 7270752 , 76941255 , 75083475 , 415660929 , 18046468 , 5946173408 , 5888996552
n×2
157773978
n×3
236660967
n×4
315547956
n×5
394434945
n÷2
39443494.5
n÷3
26295663
n÷3
19721747.25
n÷5
15777397.8
n2
6223157033486121
n3
4.9092612044589E+23
n4
3.8727683463428E+31
n5
3.0551103393749E+39
2 √n
8881.8347766664
3 √n
428.87934077149
4 √n
94.243486653807
5 √n
37.966544857264
1 , 3 , 9 , 29 , 87 , 261 , 479 , 631 , 1437 , 1893 , 4311 , 5679 , 13891 , 18299 , 41673 , 54897 , 125019 , 164691 , 302249 , 906747 , 2720241 , 8765221 , 26295663 , 78886989
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
-78886988
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 78886989 can be divided by 24 positive divisors.
The sum of these divisors (counting 78886989) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101100111011100001001101
3
Ternary
12111102212121100
4
Quaternary
10230323201031
5
Quinary
130143340424
6
Senary
11454453313
8
Octal
454734115
10
Decimal
78886989
12
Duodecimal
22504239
16
Hexadecimal
4b3b84d
20
Vigesimal
14d0h99
36
Base36
1aytl9
md5
503478c2723dee842aa7994a3c1ba76c
sha1
f37ad65b5c1f8c71b5c7be314eb22d8874990657
sha256
b1cc5bcf196691cc89a2abb3a97a6d8e841cd242806ffe5d291be460ad760265
sha512
25d36d48cd12bd538cfd34e736558b372a44803d6334b7862203fb3128bf0b2092a0b21f84dbd092235a2152409c819e088f34cc1b6a62e645c40c996a3e7cd6
ripemd-160
8fed9317acabc930465d3d6823ca20bb0e2a5aaa
Diameter
157773978
Circumference
495661570.21244
Area
1.9550624418536E+16
Volume
2.0563865245975E+24
Surface area
7.8202497674143E+16
Circumference
495661570.21244
Perimeter
315547956
Area
6223157033486121
Diagonal
111563049.73858
Surface area
37338942200916726
Volume
4.9092612044589E+23
Space diagonal
136636273.00413
Perimeter
236660967
Area
2.6947060413694E+15
Altitude
68318136.502064
Surface area
2.6947060413694E+15
Volume
5.7856198138149E+22
Height
37187683.246192