81551150 is an even 8-digits composite number following 81551149
and preceding 81551151 . In scientific notation, it is written as 8.1551150 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 32620440 positive integers (up to 81551150) that are relatively prime to 81551150.
81551150 has 12 divisors, whose sum is 151685232
The reverse of 81551150 is 05115518
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million five hundred fifty-one thousand one hundred fifty
Scientific notation
8.1551150 × 10^7
Engineering notation
8.1551150 × 10^6
Prime Factorization
2 × 5 × 5 × 1631023
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16310230
Product of the distinct prime numbers
The prime factorization of 81551150 is 2 × 5 × 5 × 1631023.
Since it has a total of 4 prime factors.
9 , 7 , 39 , 13 , 997 , 716 , 5285 , 7715 , 62891 , 56769 , 473394 , 229493 , 8281527 , 1333492 , 85573551 , 42172337 , 129869485 , 768730936 , 1491268736 , 6058349972
n×2
163102300
n×3
244653450
n×4
326204600
n×5
407755750
n÷2
40775575
n÷3
27183716.666667
n÷3
20387787.5
n÷5
16310230
n2
6650590066322500
n3
5.4236326808718E+23
n4
4.4230348230268E+31
n5
3.6070357630788E+39
2 √n
9030.5675347677
3 √n
433.6540065569
4 √n
95.029298296724
5 √n
38.219589478504
1 , 2 , 5 , 10 , 25 , 50 , 1631023 , 3262046 , 8155115 , 16310230 , 40775575 , 81551150
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81551149
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81551150 can be divided by 12 positive divisors.
The sum of these divisors (counting 81551150) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110111000101111100101110
3
Ternary
12200110020010222
4
Quaternary
10313011330232
5
Quinary
131334114100
6
Senary
12031531342
8
Octal
467057456
10
Decimal
81551150
12
Duodecimal
23389b52
16
Hexadecimal
4dc5f2e
20
Vigesimal
159dhha
36
Base36
1cjx9q
md5
c4810574c536755f0d5718a14f4c3dae
sha1
b5544eed55c4b1140d6a1ab85428a87e414d1d4d
sha256
1363b610534d00ec3a16c180d1741ce9e28c47d754201c1f5ba4ec23c8675bd5
sha512
459784c73e3fde21eb00f65fc17a290f6adf261ea87d0c27726c08a491d1b1b8b9ccad2efd34bebbf7730040f1d0e1f2004ebef2a668a0ad00ee29f3633350ac
ripemd-160
dbf18af6113f067777aacdfd42eabe87276ae67d
Diameter
163102300
Circumference
512400987.4636
Area
2.0893444894396E+16
Volume
2.2718459447995E+24
Surface area
8.3573779577584E+16
Circumference
512400987.4636
Perimeter
326204600
Area
6650590066322500
Diagonal
115330742.35712
Surface area
39903540397935000
Volume
5.4236326808718E+23
Space diagonal
141250735.21567
Perimeter
244653450
Area
2.8797899737959E+15
Altitude
70625367.607835
Surface area
2.8797899737959E+15
Volume
6.3918124121823E+22
Height
38443580.785708