81014725 is an odd 8-digits composite number following 81014724
and preceding 81014726 . In scientific notation, it is written as 8.1014725 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 58027200 positive integers (up to 81014725) that are relatively prime to 81014725.
81014725 has 16 divisors, whose sum is 93307968
The reverse of 81014725 is 52741018
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million fourteen thousand seven hundred twenty-five
Scientific notation
8.1014725 × 10^7
Engineering notation
8.1014725 × 10^6
Prime Factorization
25 × 11 × 67 × 4397
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81014725
Product of the distinct prime numbers
The prime factorization of 81014725 is 25 × 11 × 67 × 4397.
Since it has a total of 4 prime factors.
10 , 4 , 31 , 9 , 551 , 755 , 1847 , 9486 , 95347 , 65930 , 416804 , 37663 , 6858692 , 233349 , 84085495 , 82080395 , 520869743 , 509477998 , 4995816793 , 9238819049
n×2
162029450
n×3
243044175
n×4
324058900
n×5
405073625
n÷2
40507362.5
n÷3
27004908.333333
n÷3
20253681.25
n÷5
16202945
n2
6563385666825625
n3
5.3173088486682E+23
n4
4.3078031411492E+31
n5
3.4899548683434E+39
2 √n
9000.8180183803
3 √n
432.70108817636
4 √n
94.872641042507
5 √n
38.169176700703
1 , 11 , 25 , 67 , 275 , 737 , 1675 , 4397 , 18425 , 48367 , 109925 , 294599 , 1209175 , 3240589 , 7364975 , 81014725
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
-81014724
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 81014725 can be divided by 16 positive divisors.
The sum of these divisors (counting 81014725) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101000010111111000101
3
Ternary
12122102222022101
4
Quaternary
10311002333011
5
Quinary
131214432400
6
Senary
12012232101
8
Octal
465027705
10
Decimal
81014725
12
Duodecimal
2316b631
16
Hexadecimal
4d42fc5
20
Vigesimal
1566gg5
36
Base36
1c8fd1
md5
87cffa2c9b69a6804ced41058fba8142
sha1
6f40f9d5bca2e349714e3bf1bfa1cc94e840cbfc
sha256
631d4db07903e9bfa46ca2b21b75bc7510dba10e3d1123917d45ea6e8a19ad11
sha512
7372ecec2d6572070e43dc8886c6db5ecb668ec09985d91ebd400b878a6d86e29f022b4e46d28e135e276e43bcd5ec145fab28e878e536e2f358242b43db2870
ripemd-160
494d8f4342a30e74f9dc75afc02578e67657e6bb
Diameter
162029450
Circumference
509030529.78519
Area
2.0619484193576E+16
Volume
2.2273091221125E+24
Surface area
8.2477936774304E+16
Circumference
509030529.78519
Perimeter
324058900
Area
6563385666825625
Diagonal
114572122.84693
Surface area
39380314000953750
Volume
5.3173088486682E+23
Space diagonal
140321619.86122
Perimeter
243044175
Area
2.8420293611528E+15
Altitude
70160809.93061
Surface area
2.8420293611528E+15
Volume
6.2665085742609E+22
Height
38190707.615642