81300900 is an even 8-digits composite number following 81300899
and preceding 81300901 . In scientific notation, it is written as 8.1300900 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 21680160 positive integers (up to 81300900) that are relatively prime to 81300900.
81300900 has 24 divisors, whose sum is 197290912
The reverse of 81300900 is 00900318
Previous prime number is 25
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
eighty-one million three hundred thousand nine hundred
Scientific notation
8.1300900 × 10^7
Engineering notation
8.1300900 × 10^6
Prime Factorization
2 × 2 × 3 × 25 × 271003
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40650450
Product of the distinct prime numbers
The prime factorization of 81300900 is 2 × 2 × 3 × 25 × 271003.
Since it has a total of 5 prime factors.
6 , 1 , 47 , 69 , 705 , 904 , 6130 , 9704 , 14441 , 79659 , 880803 , 696495 , 6095229 , 8313844 , 79071756 , 11952140 , 571157870 , 616652346 , 5324556527 , 3319767773
n×2
162601800
n×3
243902700
n×4
325203600
n×5
406504500
n÷2
40650450
n÷3
27100300
n÷3
20325225
n÷5
16260180
n2
6609836340810000
n3
5.3738564336056E+23
n4
4.3689936452293E+31
n5
3.5520311545142E+39
2 √n
9016.7011706056
3 √n
433.20997803751
4 √n
94.956311905031
5 √n
38.196104306755
1 , 2 , 3 , 4 , 6 , 12 , 25 , 50 , 75 , 100 , 150 , 300 , 271003 , 542006 , 813009 , 1084012 , 1626018 , 3252036 , 6775075 , 13550150 , 20325225 , 27100300 , 40650450 , 81300900
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
-81300899
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 81300900 can be divided by 24 positive divisors.
The sum of these divisors (counting 81300900) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110001000110110100100
3
Ternary
12122222111212110
4
Quaternary
10312020312210
5
Quinary
131303112100
6
Senary
12022321020
8
Octal
466106644
10
Decimal
81300900
12
Duodecimal
23289170
16
Hexadecimal
4d88da4
20
Vigesimal
1582c50
36
Base36
1cek6c
md5
8434aeffc239a4946de5436ad9f4d6a5
sha1
9086ee7f9f907037ec9ef8ce21dcf1dc0fd23c66
sha256
b8226c496e45a59c8d53c32b65359c4a4d0c06b757983fd9687122e203e5030f
sha512
66524b549754b8fece456a0a7022efbe15a00a17ed76e16b6b49e868c595e9208e0d2948e5b4f87793e4ded6023062109eb8f8efdc91d2e68c3b47de14759105
ripemd-160
a65d7a38b815cfc0dad41c67fb083e8425aec753
Diameter
162601800
Circumference
510828620.34048
Area
2.076541328972E+16
Volume
2.2509957191015E+24
Surface area
8.3061653158878E+16
Circumference
510828620.34048
Perimeter
325203600
Area
6609836340810000
Diagonal
114976835.41314
Surface area
39659018044860000
Volume
5.3738564336056E+23
Space diagonal
140817289.50108
Perimeter
243902700
Area
2.8621430929995E+15
Altitude
70408644.750538
Surface area
2.8621430929995E+15
Volume
6.3331505422091E+22
Height
38325611.80438