81350862 is an even 8-digits composite number following 81350861
and preceding 81350863 . In scientific notation, it is written as 8.1350862 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 25745280 positive integers (up to 81350862) that are relatively prime to 81350862.
81350862 has 32 divisors, whose sum is 171037440
The reverse of 81350862 is 26805318
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million three hundred fifty thousand eight hundred sixty-two
Scientific notation
8.1350862 × 10^7
Engineering notation
8.1350862 × 10^6
Prime Factorization
2 × 3 × 23 × 139 × 4241
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81350862
Product of the distinct prime numbers
The prime factorization of 81350862 is 2 × 3 × 23 × 139 × 4241.
Since it has a total of 5 prime factors.
2 , 10 , 29 , 27 , 577 , 376 , 560 , 8288 , 52173 , 68868 , 153862 , 608259 , 3631847 , 5647655 , 89918302 , 74774410 , 226295245 , 159836160 , 7635815331 , 8417929612
n×2
162701724
n×3
244052586
n×4
325403448
n×5
406754310
n÷2
40675431
n÷3
27116954
n÷3
20337715.5
n÷5
16270172.4
n2
6617962748143044
n3
5.3837697424533E+23
n4
4.3797430935809E+31
n5
3.5629587600135E+39
2 √n
9019.4712705347
3 √n
433.29870032219
4 √n
94.970896966042
5 √n
38.200797698436
1 , 2 , 3 , 6 , 23 , 46 , 69 , 138 , 139 , 278 , 417 , 834 , 3197 , 4241 , 6394 , 8482 , 9591 , 12723 , 19182 , 25446 , 97543 , 195086 , 292629 , 585258 , 589499 , 1178998 , 1768497 , 3536994 , 13558477 , 27116954 , 40675431 , 81350862
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81350861
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81350862 can be divided by 32 positive divisors.
The sum of these divisors (counting 81350862) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110010101000011001110
3
Ternary
12200002001101220
4
Quaternary
10312111003032
5
Quinary
131311211422
6
Senary
12023344210
8
Octal
466250316
10
Decimal
81350862
12
Duodecimal
232b2066
16
Hexadecimal
4d950ce
20
Vigesimal
1588h32
36
Base36
1cfmq6
md5
ee0e7e1bd767aae9f783fe62202d43c5
sha1
056685b4e7c3ab45dafd51ee8e3948bb8070dbc7
sha256
715503f6b284b512445ce0de454f7aff4a0828e397cd4d292692452d9c2ef7a5
sha512
d92c021c3c6d155e1ca77898cb8ddd1e4d56e96ac86ad48580fe2b3115b18c07ce479e819f8eb01c0b8dd0758e788611179a2b3ade2602a8478e895fabd3d937
ripemd-160
ea2f6d858d97bb409616a6af4e1d2b3046d1f2ce
Diameter
162701724
Circumference
511142540.84479
Area
2.0790943151297E+16
Volume
2.2551481962014E+24
Surface area
8.3163772605188E+16
Circumference
511142540.84479
Perimeter
325403448
Area
6617962748143044
Diagonal
115047492.35114
Surface area
39707776488858264
Volume
5.3837697424533E+23
Space diagonal
140903826.22352
Perimeter
244052586
Area
2.8656619305955E+15
Altitude
70451913.111762
Surface area
2.8656619305955E+15
Volume
6.3448334887261E+22
Height
38349164.117047