81799400 is an even 8-digits composite number following 81799399
and preceding 81799401 . In scientific notation, it is written as 8.1799400 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 32719680 positive integers (up to 81799400) that are relatively prime to 81799400.
81799400 has 16 divisors, whose sum is 159509220
The reverse of 81799400 is 00499718
Previous prime number is 25
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million seven hundred ninety-nine thousand four hundred
Scientific notation
8.1799400 × 10^7
Engineering notation
8.1799400 × 10^6
Prime Factorization
2 × 2 × 2 × 25 × 408997
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20449850
Product of the distinct prime numbers
The prime factorization of 81799400 is 2 × 2 × 2 × 25 × 408997.
Since it has a total of 5 prime factors.
6 , 3 , 34 , 59 , 190 , 45 , 48 , 9130 , 22981 , 61655 , 836169 , 236764 , 7169517 , 6982167 , 15305677 , 89726201 , 632237535 , 995470748 , 7626397392 , 7927545263
n×2
163598800
n×3
245398200
n×4
327197600
n×5
408997000
n÷2
40899700
n÷3
27266466.666667
n÷3
20449850
n÷5
16359880
n2
6691141840360000
n3
5.4733138785634E+23
n4
4.4771379127816E+31
n5
3.6622719498279E+39
2 √n
9044.3020736815
3 √n
434.09358978901
4 √n
95.10153560107
5 √n
38.242830061018
1 , 2 , 4 , 8 , 25 , 50 , 100 , 200 , 408997 , 817994 , 1635988 , 3271976 , 10224925 , 20449850 , 40899700 , 81799400
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81799399
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81799400 can be divided by 16 positive divisors.
The sum of these divisors (counting 81799400) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111000000010100011101000
3
Ternary
12200220211200102
4
Quaternary
10320002203220
5
Quinary
131420040100
6
Senary
12041124532
8
Octal
470024350
10
Decimal
81799400
12
Duodecimal
23489748
16
Hexadecimal
4e028e8
20
Vigesimal
15b4ia0
36
Base36
1cp8tk
md5
b51c1acff09b634f60a84cce5a4fea5e
sha1
937c8e16d44576d1ac3cfdac1e355b86fac89569
sha256
07e9c54961c8c5e83a4c7d5418407565cec7b3dcb702ea60202d4cd21b343ce4
sha512
2168c674c087b7e007f3075b7729016b0ffb9214bb2eb41433698ade4c95b29f63ae3dd823e614e30f76cbc173e7ef4010b501a249a6f1b9c52fec638faaa1a0
ripemd-160
eec971a88568cf11d71ea68691d058df7b5db3c5
Diameter
163598800
Circumference
513960788.21611
Area
2.1020842049802E+16
Volume
2.2926563562248E+24
Surface area
8.4083368199209E+16
Circumference
513960788.21611
Perimeter
327197600
Area
6691141840360000
Diagonal
115681820.87398
Surface area
40146851042160000
Volume
5.4733138785634E+23
Space diagonal
141680716.82865
Perimeter
245398200
Area
2.8973494070384E+15
Altitude
70840358.414325
Surface area
2.8973494070384E+15
Volume
6.4503622651578E+22
Height
38560606.957994