81834549 is an odd 8-digits composite number following 81834548
and preceding 81834550 . In scientific notation, it is written as 8.1834549 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 49575680 positive integers (up to 81834549) that are relatively prime to 81834549.
81834549 has 8 divisors, whose sum is 87645888
The reverse of 81834549 is 94543818
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-one million eight hundred thirty-four thousand five hundred forty-nine
Scientific notation
8.1834549 × 10^7
Engineering notation
8.1834549 × 10^6
Prime Factorization
87 × 17 × 55331
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81834549
Product of the distinct prime numbers
The prime factorization of 81834549 is 87 × 17 × 55331.
Since it has a total of 3 prime factors.
6 , 3 , 18 , 77 , 171 , 9 , 2931 , 7542 , 95135 , 49189 , 847759 , 810938 , 55820 , 3145505 , 53651357 , 46150087 , 16372910 , 994598917 , 45697173 , 627812334
n×2
163669098
n×3
245503647
n×4
327338196
n×5
409172745
n÷2
40917274.5
n÷3
27278183
n÷3
20458637.25
n÷5
16366909.8
n2
6696893410033401
n3
5.4803725191116E+23
n4
4.4848381345349E+31
n5
3.6701470607766E+39
2 √n
9046.2450221072
3 √n
434.15575719967
4 √n
95.111750178972
5 √n
38.246116066182
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
-81834548
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 81834549 can be divided by 8 positive divisors.
The sum of these divisors (counting 81834549) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111000001011001000110101
3
Ternary
12200222121220020
4
Quaternary
10320023020311
5
Quinary
131422201144
6
Senary
12041555353
8
Octal
470131065
10
Decimal
81834549
12
Duodecimal
234a5b59
16
Hexadecimal
4e0b235
20
Vigesimal
15b9679
36
Base36
1cpzxx
md5
31e204d89a805c9db36a0ac9ffb97190
sha1
630fb5f6037c0050968b0b8bd297b53dcd472317
sha256
379706806f7f7bcdf6c7bd11c787eed8bbf474bb019dd440fcabc2745cca239c
sha512
969b2fca1cd76d8ee7243fca9f75a204a3d536087d1096211d6002a7b20e343a6cc8b30c7a4729526e712035f698306667c6f7e005d1d63dcc569561418fc75d
ripemd-160
5389948f8bdf32bc6869a01eef75995d08cf2557
Diameter
163669098
Circumference
514181635.89647
Area
2.1038911138835E+16
Volume
2.2956130726635E+24
Surface area
8.4155644555339E+16
Circumference
514181635.89647
Perimeter
327338196
Area
6696893410033401
Diagonal
115731529.06649
Surface area
40181360460200406
Volume
5.4803725191116E+23
Space diagonal
141741596.68248
Perimeter
245503647
Area
2.8998399097628E+15
Altitude
70870798.341242
Surface area
2.8998399097628E+15
Volume
6.4586809528203E+22
Height
38577176.355495