81551162 is an even 8-digits composite number following 81551161
and preceding 81551163 . In scientific notation, it is written as 8.1551162 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors.
There are 31579200 positive integers (up to 81551162) that are relatively prime to 81551162.
81551162 has 32 divisors, whose sum is 153442944
The reverse of 81551162 is 26115518
Previous prime number is 173
Is Prime? no Number parity even Number length 8 Sum of Digits 29 Digital Root 2
Name
eighty-one million five hundred fifty-one thousand one hundred sixty-two
Scientific notation
8.1551162 × 10^7
Engineering notation
8.1551162 × 10^6
Prime Factorization
2 × 7 × 11 × 173 × 3061
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
81551162 Product of the distinct prime numbers
The prime factorization of 81551162 is 2 × 7 × 11 × 173 × 3061.
Since it has a total of 5 prime factors.
4 , 10 , 90 , 32 , 929 , 871 , 4775 , 5830 , 90452 , 52185 , 286884 , 454225 , 1839650 , 6498239 , 64458293 , 43094799 , 916843923 , 119015854 , 8146933703 , 5737368889
n×2
163102324
n×3
244653486
n×4
326204648
n×5
407755810
n÷2
40775581
n÷3
27183720.666667
n÷3
20387790.5
n÷5
16310232.4
n2
6650592023550244
n3
5.4236350750845E+23
n4
4.423037426371E+31
n5
3.6070384169005E+39
2 √n9030.5681991777
3 √n433.65402782718
4 √n95.02930179254
5 √n38.219590603283
1 , 2 , 7 , 11 , 14 , 22 , 77 , 154 , 173 , 346 , 1211 , 1903 , 2422 , 3061 , 3806 , 6122 , 13321 , 21427 , 26642 , 33671 , 42854 , 67342 , 235697 , 471394 , 529553 , 1059106 , 3706871 , 5825083 , 7413742 , 11650166 , 40775581 , 81551162
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
-81551161 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 81551162 can be divided by 32 positive divisors.
The sum of these divisors (counting 81551162) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110111000101111100111010
3
Ternary
12200110020011102
4
Quaternary
10313011330322
5
Quinary
131334114122
6
Senary
12031531402
8
Octal
467057472
10
Decimal
81551162
12
Duodecimal
23389b62
16
Hexadecimal
4dc5f3a
20
Vigesimal
159dhi2
36
Base36
1cjxa2
md5
5f29ded86f82a51f15971fc22c6107b7
sha1
61d191fdbb52ecacf5f45d4c0b990deb47b1becf
sha256
7116fd892aa192081f8578456d9195345254ddb379229d22407d46af31c69e2e
sha512
ce9544028b89c0be92780b9e21c129809cc15295d1da0ed2031db365a06e8f40307c97600f1a0f0245e8fbe7d4c3920acca95cb49cf251476aa7315639b52e02
ripemd-160
ed781522dbb62b86c5bdec4360b7114fbc9e5458
Diameter
163102324
Circumference
512401062.86182
Area
2.0893451043208E+16
Volume
2.271846947685E+24
Surface area
8.3573804172833E+16
Circumference
512401062.86182
Perimeter
326204648
Area
6650592023550244
Diagonal
115330759.32769
Surface area
39903552141301464
Volume
5.4236350750845E+23
Space diagonal
141250756.00028
Perimeter
244653486
Area
2.8797908213003E+15
Altitude
70625378.00014
Surface area
2.8797908213003E+15
Volume
6.3918152337891E+22
Height
38443586.442562