81008048 is an even 8-digits composite number following 81008047
and preceding 81008049 . In scientific notation, it is written as 8.1008048 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors.
There are 36820960 positive integers (up to 81008048) that are relatively prime to 81008048.
81008048 has 20 divisors, whose sum is 158254008
The reverse of 81008048 is 84080018
Previous prime number is 121
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million eight thousand forty-eight
Scientific notation
8.1008048 × 10^7
Engineering notation
8.1008048 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 121 × 41843
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10126006
Product of the distinct prime numbers
The prime factorization of 81008048 is 2 × 2 × 2 × 2 × 121 × 41843.
Since it has a total of 6 prime factors.
7 , 4 , 76 , 45 , 589 , 148 , 7227 , 7971 , 51158 , 13547 , 886646 , 680781 , 4614707 , 9255715 , 48657301 , 48168725 , 338813866 , 766698448 , 2950614477 , 3372811013
n×2
162016096
n×3
243024144
n×4
324032192
n×5
405040240
n÷2
40504024
n÷3
27002682.666667
n÷3
20252012
n÷5
16201609.6
n2
6562303840770304
n3
5.3159942452371E+23
n4
4.3063831698589E+31
n5
3.4885169453032E+39
2 √n
9000.4471000056
3 √n
432.68920052449
4 √n
94.870686199719
5 √n
38.168547521266
1 , 2 , 4 , 8 , 16 , 121 , 242 , 484 , 968 , 1936 , 41843 , 83686 , 167372 , 334744 , 669488 , 5063003 , 10126006 , 20252012 , 40504024 , 81008048
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81008047
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81008048 can be divided by 20 positive divisors.
The sum of these divisors (counting 81008048) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110101000001010110110000
3
Ternary
12122102122011002
4
Quaternary
10311001112300
5
Quinary
131214224143
6
Senary
12012141132
8
Octal
465012660
10
Decimal
81008048
12
Duodecimal
231677a8
16
Hexadecimal
4d415b0
20
Vigesimal
1566028
36
Base36
1c8a7k
md5
2b5688d95604e3143a567adbfbce4317
sha1
bfafd7d70ccd0a9f5c08ea19882b1e5d8d3d4204
sha256
5312fd0a8f3cfba79a94f347d1567c4e18335f0f0ee42f12a616c23e2449abdf
sha512
431b2785f86ccd1feaec6393acab8dd07f00b922157ff45b730658b4eb62ee799b020264d67e4fd7c0a429194cccd51cb3ffd7228febff55206337f7ac82e9fd
ripemd-160
9085227f579a9716b70cca9134c4e2744b2b1106
Diameter
162016096
Circumference
508988576.9569
Area
2.0616085536788E+16
Volume
2.226758462315E+24
Surface area
8.2464342147152E+16
Circumference
508988576.9569
Perimeter
324032192
Area
6562303840770304
Diagonal
114562680.14297
Surface area
39373823044621824
Volume
5.3159942452371E+23
Space diagonal
140310054.95798
Perimeter
243024144
Area
2.8415609167296E+15
Altitude
70155027.478989
Surface area
2.8415609167296E+15
Volume
6.2649592992596E+22
Height
38187560.047657