81298093 is an odd 8-digits composite number following 81298092
and preceding 81298094 . In scientific notation, it is written as 8.1298093 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 77019228 positive integers (up to 81298093) that are relatively prime to 81298093.
81298093 has 4 divisors, whose sum is 85576960
The reverse of 81298093 is 39089218
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million two hundred ninety-eight thousand ninety-three
Scientific notation
8.1298093 × 10^7
Engineering notation
8.1298093 × 10^6
Prime Factorization
19 × 4278847
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81298093
Product of the distinct prime numbers
The prime factorization of 81298093 is 19 × 4278847.
Since it has a total of 2 prime factors.
8 , 6 , 8 , 32 , 877 , 504 , 7301 , 4415 , 42966 , 84916 , 705342 , 232475 , 5936779 , 1588865 , 31120154 , 79915225 , 341558001 , 619580031 , 3430159508 , 5987596394
n×2
162596186
n×3
243894279
n×4
325192372
n×5
406490465
n÷2
40649046.5
n÷3
27099364.333333
n÷3
20324523.25
n÷5
16259618.6
n2
6609379925436649
n3
5.3732998385048E+23
n4
4.3683902998765E+31
n5
3.5514180085966E+39
2 √n
9016.5455136654
3 √n
433.20499230179
4 √n
94.955492277516
5 √n
38.195840550891
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81298092
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81298093 can be divided by 4 positive divisors.
The sum of these divisors (counting 81298093) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110001000001010101101
3
Ternary
12122222101000111
4
Quaternary
10312020022231
5
Quinary
131303014333
6
Senary
12022300021
8
Octal
466101255
10
Decimal
81298093
12
Duodecimal
23287611
16
Hexadecimal
4d882ad
20
Vigesimal
158254d
36
Base36
1cei0d
md5
e96f684cb38ce954c93db6dcc92588b7
sha1
a039dbe1969c58dbfeda26ecd35b19a790fd006c
sha256
cc2933364e03e4713de0f5c97f58d326c8ae04cb20c0bf188f951dbbe8b83faa
sha512
642742ec3bd3ecf02c179f705ca91bd9fbfbffbe1213adda65802893b13d1c348471dce55f339c05d8ce0bea14b8225b4295eb91f83830d0c91aec0885de90d8
ripemd-160
eed9c0e1d69c5acdcbaf45b5cc0dbe47162ca938
Diameter
162596186
Circumference
510810983.43932
Area
2.0763979418536E+16
Volume
2.2507625730909E+24
Surface area
8.3055917674143E+16
Circumference
510810983.43932
Perimeter
325192372
Area
6609379925436649
Diagonal
114972865.71567
Surface area
39656279552619894
Volume
5.3732998385048E+23
Space diagonal
140812427.63446
Perimeter
243894279
Area
2.8619454593455E+15
Altitude
70406213.81723
Surface area
2.8619454593455E+15
Volume
6.3324945885922E+22
Height
38324288.57189