81258049 is an odd 8-digits prime number following 81258048
and preceding 81258050 . In scientific notation, it is written as 8.1258049 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 81258048 positive integers (up to 81258049) that are relatively prime to 81258049.
81258049 has 2 divisors, whose sum is 81258050
The reverse of 81258049 is 94085218
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million two hundred fifty-eight thousand forty-nine
Scientific notation
8.1258049 × 10^7
Engineering notation
8.1258049 × 10^6
Prime Factorization
81258049
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81258049
Product of the distinct prime numbers
The prime factorization of 81258049 is 81258049.
Since it has a total of 1 prime factors.
6 , 7 , 73 , 4 , 321 , 857 , 4905 , 1224 , 56370 , 73066 , 569872 , 596238 , 2501550 , 8269027 , 61550517 , 29280514 , 833389551 , 280990296 , 2393274500 , 4543240155
n×2
162516098
n×3
243774147
n×4
325032196
n×5
406290245
n÷2
40629024.5
n÷3
27086016.333333
n÷3
20314512.25
n÷5
16251609.8
n2
6602870527286401
n3
5.3653637684689E+23
n4
4.3597899200107E+31
n5
3.5426802294994E+39
2 √n
9014.3246557909
3 √n
433.13385447216
4 √n
94.943797352912
5 √n
38.192077078413
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81258050
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40629025
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9014.3247112582
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999753871
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81258049 can be divided by 2 positive divisors.
The sum of these divisors (counting 81258049) is 81258050, the average is 40629025.
Base
System
Value
2
Binary
100110101111110011001000001
3
Ternary
12122220100002101
4
Quaternary
10311332121001
5
Quinary
131300224144
6
Senary
12021350401
8
Octal
465763101
10
Decimal
81258049
12
Duodecimal
23268401
16
Hexadecimal
4d7e641
20
Vigesimal
157h529
36
Base36
1cdn41
md5
318d6f022230759921f253b8e3c95dad
sha1
1d007adeec6fa85f12d7092c84ae0b3bb916399f
sha256
36f7716e303296bbd31607ef75f0e768228d9f1fd1cb17cf50cbffc944715ab1
sha512
0d0f100fb6a355fd2bfd5b911ae26216ad00366c31dbad96527980e5ed0868ba93f0116f7b7f5d5f3c8cc6266aea69d3844e00495d7823830789c9943f1f0c90
ripemd-160
e2f06744a4670dde70c10444534337d8e7125139
Diameter
162516098
Circumference
510559379.56688
Area
2.0743529541128E+16
Volume
2.2474383198479E+24
Surface area
8.297411816451E+16
Circumference
510559379.56688
Perimeter
325032196
Area
6602870527286401
Diagonal
114916234.94778
Surface area
39617223163718406
Volume
5.3653637684689E+23
Space diagonal
140743069.39192
Perimeter
243774147
Area
2.8591268072648E+15
Altitude
70371534.695961
Surface area
2.8591268072648E+15
Volume
6.3231418403617E+22
Height
38305411.649259