81007448 is an even 8-digits composite number following 81007447
and preceding 81007449 . In scientific notation, it is written as 8.1007448 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors.
There are 37980672 positive integers (up to 81007448) that are relatively prime to 81007448.
81007448 has 32 divisors, whose sum is 161416800
The reverse of 81007448 is 84470018
Previous prime number is 317
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million seven thousand four hundred forty-eight
Scientific notation
8.1007448 × 10^7
Engineering notation
8.1007448 × 10^6
Prime Factorization
2 × 2 × 2 × 17 × 317 × 1879
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20251862
Product of the distinct prime numbers
The prime factorization of 81007448 is 2 × 2 × 2 × 17 × 317 × 1879.
Since it has a total of 6 prime factors.
8 , 8 , 22 , 82 , 706 , 200 , 4213 , 42 , 25600 , 26938 , 561844 , 146339 , 3902264 , 1522196 , 52296308 , 39559841 , 988807750 , 681627585 , 6050837413 , 2850822812
n×2
162014896
n×3
243022344
n×4
324029792
n×5
405037240
n÷2
40503724
n÷3
27002482.666667
n÷3
20251862
n÷5
16201489.6
n2
6562206631472704
n3
5.3158761246428E+23
n4
4.3062555874144E+31
n5
3.4883877557218E+39
2 √n
9000.4137682664
3 √n
432.6881322596
4 √n
94.87051053023
5 √n
38.16849098072
1 , 2 , 4 , 8 , 17 , 34 , 68 , 136 , 317 , 634 , 1268 , 1879 , 2536 , 3758 , 5389 , 7516 , 10778 , 15032 , 21556 , 31943 , 43112 , 63886 , 127772 , 255544 , 595643 , 1191286 , 2382572 , 4765144 , 10125931 , 20251862 , 40503724 , 81007448
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
-81007447
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 81007448 can be divided by 32 positive divisors.
The sum of these divisors (counting 81007448) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110101000001001101011000
3
Ternary
12122102121022212
4
Quaternary
10311001031120
5
Quinary
131214214243
6
Senary
12012134252
8
Octal
465011530
10
Decimal
81007448
12
Duodecimal
23167388
16
Hexadecimal
4d41358
20
Vigesimal
1565ic8
36
Base36
1c89qw
md5
b26484c75b6d9ba9754baa474f1e1e13
sha1
ed4ac9d6c60a7a7934d8d2ac86f64814aacffcad
sha256
3816bc6f8be506a434e81e45291870332b937d32942459698cb34b34d0af19b0
sha512
18e4db0a91cf3ad61b095c36806154dfd2fcb6a1a340f2db3a20cda6c6ca3b190aa79dc3de0fd24db53c7132af897deb29ec02fb5ee97c68f1f19e1c0eb91159
ripemd-160
80ea93d7579262675a75a4f679b36fda9d22a7cf
Diameter
162014896
Circumference
508984807.04571
Area
2.0615780144773E+16
Volume
2.2267089840762E+24
Surface area
8.2463120579091E+16
Circumference
508984807.04571
Perimeter
324029792
Area
6562206631472704
Diagonal
114561831.61483
Surface area
39373239788836224
Volume
5.3158761246428E+23
Space diagonal
140309015.72749
Perimeter
243022344
Area
2.841518823869E+15
Altitude
70154507.863747
Surface area
2.841518823869E+15
Volume
6.2648200928043E+22
Height
38187277.204944