81124297 is an odd 8-digits composite number following 81124296
and preceding 81124298 . In scientific notation, it is written as 8.1124297 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 79818000 positive integers (up to 81124297) that are relatively prime to 81124297.
81124297 has 8 divisors, whose sum is 82441152
The reverse of 81124297 is 79242118
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million one hundred twenty-four thousand two hundred ninety-seven
Scientific notation
8.1124297 × 10^7
Engineering notation
8.1124297 × 10^6
Prime Factorization
151 × 107 × 5021
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81124297
Product of the distinct prime numbers
The prime factorization of 81124297 is 151 × 107 × 5021.
Since it has a total of 3 prime factors.
3 , 7 , 53 , 90 , 546 , 897 , 6481 , 5135 , 39590 , 51703 , 644425 , 587364 , 9344310 , 288002 , 73925305 , 19058826 , 996789746 , 468399130 , 2827030694 , 5575697455
n×2
162248594
n×3
243372891
n×4
324497188
n×5
405621485
n÷2
40562148.5
n÷3
27041432.333333
n÷3
20281074.25
n÷5
16224859.4
n2
6581151563744209
n3
5.338912940592E+23
n4
4.3311555904973E+31
n5
3.5136195247671E+39
2 √n
9006.9027417864
3 √n
432.89607563033
4 √n
94.904703475573
5 √n
38.179495842717
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
-81124296
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 81124297 can be divided by 8 positive divisors.
The sum of these divisors (counting 81124297) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101011101101111001001
3
Ternary
12122122112121121
4
Quaternary
10311131233021
5
Quinary
131231434142
6
Senary
12014435241
8
Octal
465355711
10
Decimal
81124297
12
Duodecimal
23202b21
16
Hexadecimal
4d5dbc9
20
Vigesimal
1570aeh
36
Base36
1carwp
md5
63b4a7a17286f9096855ec7720d5a5ec
sha1
86e469b62bf000518d6b589c41cd5d80f3689ada
sha256
fa27b62ef160b8adf4d2b25a0c2c94fe7cf8bb71f07ba8db598b6d244cdb1946
sha512
a71553f198e850430abc17957ac8d29e6586008eba1b2a4ff5a12d574f0d878211c77e81654b7a2b17df758b368167dd55e1698e65d0fbf8ac25e87e2451afa8
ripemd-160
30f7a51169ef7f897159256453508b44e78b7eed
Diameter
162248594
Circumference
509718990.96567
Area
2.067529740482E+16
Volume
2.2363586229759E+24
Surface area
8.2701189619279E+16
Circumference
509718990.96567
Perimeter
324497188
Area
6581151563744209
Diagonal
114727081.05538
Surface area
39486909382465254
Volume
5.338912940592E+23
Space diagonal
140511404.13231
Perimeter
243372891
Area
2.8497222201791E+15
Altitude
70255702.066154
Surface area
2.8497222201791E+15
Volume
6.291969240762E+22
Height
38242360.351794