81424807 is an odd 8-digits composite number following 81424806
and preceding 81424808 . In scientific notation, it is written as 8.1424807 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 77079552 positive integers (up to 81424807) that are relatively prime to 81424807.
81424807 has 8 divisors, whose sum is 85843296
The reverse of 81424807 is 70842418
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million four hundred twenty-four thousand eight hundred seven
Scientific notation
8.1424807 × 10^7
Engineering notation
8.1424807 × 10^6
Prime Factorization
23 × 97 × 36497
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81424807
Product of the distinct prime numbers
The prime factorization of 81424807 is 23 × 97 × 36497.
Since it has a total of 3 prime factors.
7 , 1 , 81 , 42 , 807 , 924 , 8029 , 7601 , 15471 , 76512 , 389448 , 9116 , 6944438 , 5922415 , 45358596 , 78198112 , 552759103 , 651147833 , 6714604606 , 7918224717
n×2
162849614
n×3
244274421
n×4
325699228
n×5
407124035
n÷2
40712403.5
n÷3
27141602.333333
n÷3
20356201.75
n÷5
16284961.4
n2
6629999194987249
n3
5.3984640486199E+23
n4
4.3956889325532E+31
n5
3.5791812296518E+39
2 √n
9023.5695265233
3 √n
433.42994486257
4 √n
94.992470893873
5 √n
38.207739804358
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
-81424806
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 81424807 can be divided by 8 positive divisors.
The sum of these divisors (counting 81424807) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110100111000110100111
3
Ternary
12200012210211121
4
Quaternary
10312213012213
5
Quinary
131321043212
6
Senary
12025114411
8
Octal
466470647
10
Decimal
81424807
12
Duodecimal
23328a07
16
Hexadecimal
4da71a7
20
Vigesimal
158i207
36
Base36
1ch7s7
md5
5f78c58fe51816e0c413f6dc7d08720f
sha1
a06d48ba26f4c14ad894ea161a700799dc1a87db
sha256
b2d3a5fc616db97caddf36a9a499a348d06dcfdfa50f85cd06312eab7bafb6b2
sha512
e6159d7ee28099421c8852bf5d405fb3d0eac0a15759b0270cd61b5d607b496d775a94d0751378060b4a94dbe53a10f857c8886dec17d99466f72d0a670964de
ripemd-160
22679d5d2602041f339d317dbe2a5760db6d2a6c
Diameter
162849614
Circumference
511607150.98233
Area
2.0828756764278E+16
Volume
2.2613033327751E+24
Surface area
8.3315027057113E+16
Circumference
511607150.98233
Perimeter
325699228
Area
6629999194987249
Diagonal
115152066.37301
Surface area
39779995169923494
Volume
5.3984640486199E+23
Space diagonal
141031902.72049
Perimeter
244274421
Area
2.8708738649647E+15
Altitude
70515951.360245
Surface area
2.8708738649647E+15
Volume
6.3621508946182E+22
Height
38384022.124337