81232017 is an odd 8-digits composite number following 81232016
and preceding 81232018 . In scientific notation, it is written as 8.1232017 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 53094672 positive integers (up to 81232017) that are relatively prime to 81232017.
81232017 has 16 divisors, whose sum is 110449920
The reverse of 81232017 is 71023218
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million two hundred thirty-two thousand seventeen
Scientific notation
8.1232017 × 10^7
Engineering notation
8.1232017 × 10^6
Prime Factorization
3 × 83 × 139 × 2347
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81232017
Product of the distinct prime numbers
The prime factorization of 81232017 is 3 × 83 × 139 × 2347.
Since it has a total of 4 prime factors.
7 , 2 , 92 , 48 , 607 , 428 , 8081 , 8429 , 93944 , 82870 , 785254 , 409291 , 3394991 , 6272647 , 56300395 , 45546253 , 415717543 , 596724553 , 4539872447 , 8281323034
n×2
162464034
n×3
243696051
n×4
324928068
n×5
406160085
n÷2
40616008.5
n÷3
27077339
n÷3
20308004.25
n÷5
16246403.4
n2
6598640585888289
n3
5.3602088424977E+23
n4
4.3542057581732E+31
n5
3.5370091616942E+39
2 √n
9012.8806160961
3 √n
433.0875963069
4 √n
94.936192340414
5 √n
38.189629705898
1 , 3 , 83 , 139 , 249 , 417 , 2347 , 7041 , 11537 , 34611 , 194801 , 326233 , 584403 , 978699 , 27077339 , 81232017
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
-81232016
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 81232017 can be divided by 16 positive divisors.
The sum of these divisors (counting 81232017) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101111000000010010001
3
Ternary
12122212000101020
4
Quaternary
10311320002101
5
Quinary
131243411032
6
Senary
12021030053
8
Octal
465700221
10
Decimal
81232017
12
Duodecimal
23255329
16
Hexadecimal
4d78091
20
Vigesimal
157e00h
36
Base36
1cd30x
md5
ed03695e35fc0cd5033837cd08126bad
sha1
10efc4b3cfd76862392836395f9c8b613dc268a4
sha256
9fac45a26f1c8e609c3ba634e82dfb4714d249b1c6d20240cae7745de8b83547
sha512
af864c694d636035752a0b232c8e45ba790186095c25de6580aa41b5f7805249467a23198286bcf7b71ae5d6bceea2a01c5bfed61d0aa9213e73f3df05974851
ripemd-160
4c4a2ef524a4f5325f99e6a40c288adb02b283e1
Diameter
162464034
Circumference
510395815.68696
Area
2.0730240788306E+16
Volume
2.2452790295064E+24
Surface area
8.2920963153224E+16
Circumference
510395815.68696
Perimeter
324928068
Area
6598640585888289
Diagonal
114879420.14032
Surface area
39591843515329734
Volume
5.3602088424977E+23
Space diagonal
140697980.6453
Perimeter
243696051
Area
2.8572951889111E+15
Altitude
70348990.322649
Surface area
2.8572951889111E+15
Volume
6.3170667018437E+22
Height
38293140.046774