78822981 is an odd 8-digits composite number following 78822980
and preceding 78822982 . In scientific notation, it is written as 7.8822981 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 52467624 positive integers (up to 78822981) that are relatively prime to 78822981.
78822981 has 12 divisors, whose sum is 114031008
The reverse of 78822981 is 18922887
Previous prime number is 683
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-eight million eight hundred twenty-two thousand nine hundred eighty-one
Scientific notation
7.8822981 × 10^7
Engineering notation
7.8822981 × 10^6
Prime Factorization
3 × 3 × 683 × 12823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
26274327
Product of the distinct prime numbers
The prime factorization of 78822981 is 3 × 3 × 683 × 12823.
Since it has a total of 4 prime factors.
2 , 8 , 28 , 65 , 984 , 954 , 6282 , 325 , 54606 , 96653 , 67555 , 382540 , 9101425 , 254707 , 8864145 , 26183090 , 649105075 , 696604170 , 3471096443 , 3602598722
n×2
157645962
n×3
236468943
n×4
315291924
n×5
394114905
n÷2
39411490.5
n÷3
26274327
n÷3
19705745.25
n÷5
15764596.2
n2
6213062333726361
n3
4.8973209428313E+23
n4
3.8602143562769E+31
n5
3.0427360286074E+39
2 √n
8878.2307359068
3 √n
428.76331345524
4 √n
94.224363812693
5 √n
37.960381732671
1 , 3 , 9 , 683 , 2049 , 6147 , 12823 , 38469 , 115407 , 8758109 , 26274327 , 78822981
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78822980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78822981 can be divided by 12 positive divisors.
The sum of these divisors (counting 78822981) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101100101011111001000101
3
Ternary
12111022121210200
4
Quaternary
10230223321011
5
Quinary
130134313411
6
Senary
11453241113
8
Octal
454537105
10
Decimal
78822981
12
Duodecimal
22493199
16
Hexadecimal
4b2be45
20
Vigesimal
14cch91
36
Base36
1axg79
md5
db1285dd91d3e4eb33d0832fac59df2e
sha1
260495d18ff7ecc09f77ef8e0578355d5baf6e67
sha256
ea0cb2a0dfbcb7efeef5856139b7867be5167d12e08cd7ea1d2acd58dd440fc0
sha512
48bc8ec2d8edee7a8e5d346327913f1c1455eb1ae94996d63f1b61aba1988d219e15615f0e9d2b5f2c84d5656a9ff85667f00b5c37c473dc088436dc1597b969
ripemd-160
fddf8ebc3f7866551bc82682e403bceea4eddf23
Diameter
157645962
Circumference
495259396.0873
Area
1.951891098393E+16
Volume
2.0513849995027E+24
Surface area
7.8075643935721E+16
Circumference
495259396.0873
Perimeter
315291924
Area
6213062333726361
Diagonal
111472528.75688
Surface area
37278374002358166
Volume
4.8973209428313E+23
Space diagonal
136525407.89604
Perimeter
236468943
Area
2.6903349081516E+15
Altitude
68262703.948018
Surface area
2.6903349081516E+15
Volume
5.7715480805382E+22
Height
37157509.585626