81782004 is an even 8-digits composite number following 81782003
and preceding 81782005 . In scientific notation, it is written as 8.1782004 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 25733376 positive integers (up to 81782004) that are relatively prime to 81782004.
81782004 has 24 divisors, whose sum is 146151880
The reverse of 81782004 is 40028718
Previous prime number is 409
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million seven hundred eighty-two thousand four
Scientific notation
8.1782004 × 10^7
Engineering notation
8.1782004 × 10^6
Prime Factorization
2 × 2 × 57 × 409 × 877
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40891002
Product of the distinct prime numbers
The prime factorization of 81782004 is 2 × 2 × 57 × 409 × 877.
Since it has a total of 5 prime factors.
8 , 7 , 73 , 87 , 588 , 58 , 8820 , 2241 , 2894 , 55908 , 626513 , 270227 , 4706930 , 6277228 , 92582301 , 55706304 , 56760012 , 895384038 , 9020805698 , 6110518670
n×2
163564008
n×3
245346012
n×4
327128016
n×5
408910020
n÷2
40891002
n÷3
27260668
n÷3
20445501
n÷5
16356400.8
n2
6688296178256016
n3
5.4698226480332E+23
n4
4.4733305768074E+31
n5
3.6583793912579E+39
2 √n
9043.340312075
3 √n
434.06281520522
4 √n
95.096478967809
5 √n
38.241203328128
1 , 2 , 4 , 57 , 114 , 228 , 409 , 818 , 877 , 1636 , 1754 , 3508 , 23313 , 46626 , 49989 , 93252 , 99978 , 199956 , 358693 , 717386 , 1434772 , 20445501 , 40891002 , 81782004
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81782003
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81782004 can be divided by 24 positive divisors.
The sum of these divisors (counting 81782004) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111111110010011110100
3
Ternary
12200212221211010
4
Quaternary
10313332103310
5
Quinary
131414011004
6
Senary
12040512220
8
Octal
467762364
10
Decimal
81782004
12
Duodecimal
2347b670
16
Hexadecimal
4dfe4f4
20
Vigesimal
15b2f04
36
Base36
1covec
md5
e4b326227494a47de8160c03708a9b9c
sha1
af007f4bdbd35c3a9de9a9e323cab1bce48610aa
sha256
353c1d25c22ed95bd4f34f6482012a6931f8f6147d2464f419f7cb1af0410ddd
sha512
b3b63f2458c0d79cc4c77b842c0a4f23c3a34d6b2a21cbe4bd19c0fd5cf6d18eca678d1465efdbdd5c59ea1ad73a89e7b25ba443ed8e616ef413b6c930fcba36
ripemd-160
3a8dabcd97d0a426a1e33f38a1da44f19de26fc8
Diameter
163564008
Circumference
513851485.9245
Area
2.1011902138642E+16
Volume
2.291193953E+24
Surface area
8.4047608554567E+16
Circumference
513851485.9245
Perimeter
327128016
Area
6688296178256016
Diagonal
115657219.21485
Surface area
40129777069536096
Volume
5.4698226480332E+23
Space diagonal
141650586.0728
Perimeter
245346012
Area
2.896117199202E+15
Altitude
70825293.036401
Surface area
2.896117199202E+15
Volume
6.44624781052E+22
Height
38552406.40495