81444304 is an even 8-digits composite number following 81444303
and preceding 81444305 . In scientific notation, it is written as 8.1444304 × 10^7.
The sum of its digits is 28. It has a total of 7 prime factors and 30 positive divisors.
There are 40227840 positive integers (up to 81444304) that are relatively prime to 81444304.
81444304 has 30 divisors, whose sum is 159736614
The reverse of 81444304 is 40344418
Previous prime number is 97
Is Prime? no Number parity even Number length 8 Sum of Digits 28 Digital Root 1
Name
eighty-one million four hundred forty-four thousand three hundred four
Scientific notation
8.1444304 × 10^7
Engineering notation
8.1444304 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 97 × 97 × 541
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
7 Total number of prime factors
rad Radical
104954 Product of the distinct prime numbers
The prime factorization of 81444304 is 2 × 2 × 2 × 2 × 97 × 97 × 541.
Since it has a total of 7 prime factors.
4 , 4 , 53 , 59 , 954 , 868 , 4235 , 2435 , 95784 , 8741 , 711453 , 868600 , 6040422 , 655627 , 36221306 , 48080130 , 80025570 , 270743784 , 1164414659 , 4881849751
n×2
162888608
n×3
244332912
n×4
325777216
n×5
407221520
n÷2
40722152
n÷3
27148101.333333
n÷3
20361076
n÷5
16288860.8
n2
6633174654044416
n3
5.4023429300909E+23
n4
4.3999005991057E+31
n5
3.5834684196335E+39
2 √n9024.6497992997
3 √n433.46453673346
4 √n94.998156820539
5 √n38.209569381832
1 , 2 , 4 , 8 , 16 , 97 , 194 , 388 , 541 , 776 , 1082 , 1552 , 2164 , 4328 , 8656 , 9409 , 18818 , 37636 , 52477 , 75272 , 104954 , 150544 , 209908 , 419816 , 839632 , 5090269 , 10180538 , 20361076 , 40722152 , 81444304
30 divisors
τ Total Divisors
30 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-81444303 Sum of the proper positive divisors of n
A Arithmetic Mean
0.033333333333333 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
30 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81444304 can be divided by 30 positive divisors.
The sum of these divisors (counting 81444304) is 1, the average is 0.033333333333333.
Base
System
Value
2
Binary
100110110101011110111010000
3
Ternary
12200020210120201
4
Quaternary
10312223313100
5
Quinary
131322204204
6
Senary
12025344544
8
Octal
466536720
10
Decimal
81444304
12
Duodecimal
23338154
16
Hexadecimal
4dabdd0
20
Vigesimal
1590af4
36
Base36
1chmts
md5
daa47d46f907b80a2e2c6a5daa2e538e
sha1
fc3e79231e81c58ab36f818263a32a12f1e088c1
sha256
bd4c07bf1e4e4cd03d3b1bdf942ecfb30dbca90dc4661e5293499ed07390a919
sha512
d30db82436cdfb94457cd03b4fd9f7448bf2dbcd4b3da92ebadfc4a91bea7586ac23a4840d8fd69336ebca88db57d0866d4c68c28127256f6d85a0504d0dc6fb
ripemd-160
4c9b6a075d0f29e45c484bf7e9767ccc21794df1
Diameter
162888608
Circumference
511729654.24627
Area
2.0838732763124E+16
Volume
2.2629281148462E+24
Surface area
8.3354931052496E+16
Circumference
511729654.24627
Perimeter
325777216
Area
6633174654044416
Diagonal
115179639.29484
Surface area
39799047924266496
Volume
5.4023429300909E+23
Space diagonal
141065672.51509
Perimeter
244332912
Area
2.8722488790708E+15
Altitude
70532836.257543
Surface area
2.8722488790708E+15
Volume
6.3667222002708E+22
Height
38393213.098279