81799460 is an even 8-digits composite number following 81799459
and preceding 81799461 . In scientific notation, it is written as 8.1799460 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 32719776 positive integers (up to 81799460) that are relatively prime to 81799460.
81799460 has 12 divisors, whose sum is 171778908
The reverse of 81799460 is 06499718
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-one million seven hundred ninety-nine thousand four hundred sixty
Scientific notation
8.1799460 × 10^7
Engineering notation
8.1799460 × 10^6
Prime Factorization
2 × 2 × 5 × 4089973
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40899730
Product of the distinct prime numbers
The prime factorization of 81799460 is 2 × 2 × 5 × 4089973.
Since it has a total of 4 prime factors.
8 , 6 , 21 , 19 , 120 , 985 , 2352 , 8933 , 41406 , 45120 , 353128 , 572160 , 4570078 , 9841035 , 53397350 , 93936687 , 297720105 , 675048101 , 8450337421 , 2342817690
n×2
163598920
n×3
245398380
n×4
327197840
n×5
408997300
n÷2
40899730
n÷3
27266486.666667
n÷3
20449865
n÷5
16359892
n2
6691151656291600
n3
5.4733259226276E+23
n4
4.4771510487494E+31
n5
3.6622853812613E+39
2 √n
9044.3053906865
3 √n
434.09369592512
4 √n
95.10155304035
5 √n
38.242835671252
1 , 2 , 4 , 5 , 10 , 20 , 4089973 , 8179946 , 16359892 , 20449865 , 40899730 , 81799460
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
-81799459
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 81799460 can be divided by 12 positive divisors.
The sum of these divisors (counting 81799460) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111000000010100100100100
3
Ternary
12200220211202122
4
Quaternary
10320002210210
5
Quinary
131420040320
6
Senary
12041125112
8
Octal
470024444
10
Decimal
81799460
12
Duodecimal
23489798
16
Hexadecimal
4e02924
20
Vigesimal
15b4id0
36
Base36
1cp8v8
md5
21c2a7e1a5264af31f444d205bc0a78a
sha1
30318d696c6fd316dd308e2669b6836e2a4e30b7
sha256
c708d1a6b49d70a39b5df1e2d4ae4c46c43c20cfe1d133f04d0141f11db72e86
sha512
870ca00912a56f74fae4439faa01f079960b0ba2a28b346b6d9f3b935cc3883446656fa6f69f917124a91ffa9884d1b8621940f44a7646d01b38c18635db3626
ripemd-160
33c67a67607345e647cfaa6d226690288ea04b36
Diameter
163598920
Circumference
513961165.20722
Area
2.1020872887461E+16
Volume
2.2926614012306E+24
Surface area
8.4083491549843E+16
Circumference
513961165.20722
Perimeter
327197840
Area
6691151656291600
Diagonal
115681905.7268
Surface area
40146909937749600
Volume
5.4733259226276E+23
Space diagonal
141680820.7517
Perimeter
245398380
Area
2.8973536574614E+15
Altitude
70840410.375849
Surface area
2.8973536574614E+15
Volume
6.4503764592235E+22
Height
38560635.242265