81004048 is an even 8-digits composite number following 81004047
and preceding 81004049 . In scientific notation, it is written as 8.1004048 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 20 positive divisors.
There are 38119424 positive integers (up to 81004048) that are relatively prime to 81004048.
81004048 has 20 divisors, whose sum is 166177980
The reverse of 81004048 is 84040018
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighty-one million four thousand forty-eight
Scientific notation
8.1004048 × 10^7
Engineering notation
8.1004048 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 17 × 297809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10125506
Product of the distinct prime numbers
The prime factorization of 81004048 is 2 × 2 × 2 × 2 × 17 × 297809.
Since it has a total of 6 prime factors.
7 , 1 , 13 , 27 , 480 , 164 , 3129 , 8620 , 78871 , 67105 , 864607 , 158843 , 7588772 , 5848773 , 93131554 , 70010682 , 111967261 , 201041175 , 2875861673 , 571484812
n×2
162008096
n×3
243012144
n×4
324016192
n×5
405020240
n÷2
40502024
n÷3
27001349.333333
n÷3
20251012
n÷5
16200809.6
n2
6561655792386304
n3
5.3152068076594E+23
n4
4.3055326737757E+31
n5
3.4876557537209E+39
2 √n
9000.2248860792
3 √n
432.6820786589
4 √n
94.869515051355
5 √n
38.168170577964
1 , 2 , 4 , 8 , 16 , 17 , 34 , 68 , 136 , 272 , 297809 , 595618 , 1191236 , 2382472 , 4764944 , 5062753 , 10125506 , 20251012 , 40502024 , 81004048
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
-81004047
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 81004048 can be divided by 20 positive divisors.
The sum of these divisors (counting 81004048) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110101000000011000010000
3
Ternary
12122102102122221
4
Quaternary
10311000120100
5
Quinary
131214112143
6
Senary
12012110424
8
Octal
465003020
10
Decimal
81004048
12
Duodecimal
23165414
16
Hexadecimal
4d40610
20
Vigesimal
1565a28
36
Base36
1c874g
md5
2681e26b434420e4a46c0bbb2a27dc20
sha1
2bced59cdf53d178ec8a6867921724d74efb6816
sha256
1bc8ab5f87491df89beec4e2c0aa01465c1671360896849a25b6ace3997678d3
sha512
cd1465b00277bc5d1053abd04e87b3c36bfc63f196e1a0c6d1b57eac861bca1b9a61cd55da907776d15d6b48caa917531005feedb1461be9a0358876757bd4d1
ripemd-160
5cf242e70d8d312ddc46595dc24ad923e95f6b5d
Diameter
162008096
Circumference
508963444.21567
Area
2.0614049632746E+16
Volume
2.2264286212338E+24
Surface area
8.2456198530983E+16
Circumference
508963444.21567
Perimeter
324016192
Area
6561655792386304
Diagonal
114557023.28872
Surface area
39369934754317824
Volume
5.3152068076594E+23
Space diagonal
140303126.75475
Perimeter
243012144
Area
2.8412803035479E+15
Altitude
70151563.377374
Surface area
2.8412803035479E+15
Volume
6.2640312951748E+22
Height
38185674.429574