81230650 is an even 8-digits composite number following 81230649
and preceding 81230651 . In scientific notation, it is written as 8.1230650 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 31958400 positive integers (up to 81230650) that are relatively prime to 81230650.
81230650 has 16 divisors, whose sum is 128802024
The reverse of 81230650 is 05603218
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighty-one million two hundred thirty thousand six hundred fifty
Scientific notation
8.1230650 × 10^7
Engineering notation
8.1230650 × 10^6
Prime Factorization
2 × 25 × 61 × 26633
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81230650
Product of the distinct prime numbers
The prime factorization of 81230650 is 2 × 25 × 61 × 26633.
Since it has a total of 4 prime factors.
8 , 8 , 19 , 52 , 910 , 830 , 3150 , 9894 , 58794 , 44578 , 97721 , 455261 , 6491683 , 4132662 , 49494314 , 88278839 , 62328012 , 328464180 , 3011454176 , 4223999933
n×2
162461300
n×3
243691950
n×4
324922600
n×5
406153250
n÷2
40615325
n÷3
27076883.333333
n÷3
20307662.5
n÷5
16246130
n2
6598418499422500
n3
5.3599382368011E+23
n4
4.3539126693521E+31
n5
3.5367115617471E+39
2 √n
9012.8047798674
3 √n
433.0851669115
4 √n
94.935792933263
5 √n
38.189501171418
1 , 2 , 25 , 50 , 61 , 122 , 1525 , 3050 , 26633 , 53266 , 665825 , 1331650 , 1624613 , 3249226 , 40615325 , 81230650
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81230649
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81230650 can be divided by 16 positive divisors.
The sum of these divisors (counting 81230650) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101110111101100111010
3
Ternary
12122211221111121
4
Quaternary
10311313230322
5
Quinary
131243340100
6
Senary
12021015454
8
Octal
465675472
10
Decimal
81230650
12
Duodecimal
2325458a
16
Hexadecimal
4d77b3a
20
Vigesimal
157dgca
36
Base36
1cd1yy
md5
d424a3e9fb2b97e01381715bf9e6ee81
sha1
bc8b42fd1b5a758e0149ee06fdee40c639ba82da
sha256
21af9faac4e8c044f8be2f003566d59effb3b0f111052768ef9392cbc7a347a6
sha512
e3ec8d8b4de42ed1fd72030906e73a112be3d312c617adc293f8f0a1b1eb9a2ac984fe58dbbc5a870b01ce3171219c37f432d4bc15a479dda561d8b34d86fff5
ripemd-160
c5c8a4fa78d73578a7b94ab203699cd4edb446ae
Diameter
162461300
Circumference
510387226.57265
Area
2.0729543083097E+16
Volume
2.2451656784573E+24
Surface area
8.2918172332387E+16
Circumference
510387226.57265
Perimeter
324922600
Area
6598418499422500
Diagonal
114877486.91038
Surface area
39590510996535000
Volume
5.3599382368011E+23
Space diagonal
140695612.93184
Perimeter
243691950
Area
2.8571990226505E+15
Altitude
70347806.465922
Surface area
2.8571990226505E+15
Volume
6.3167477899719E+22
Height
38292495.636794