81799316 is an even 8-digits composite number following 81799315
and preceding 81799317 . In scientific notation, it is written as 8.1799316 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 39121368 positive integers (up to 81799316) that are relatively prime to 81799316.
81799316 has 12 divisors, whose sum is 149372832
The reverse of 81799316 is 61399718
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-one million seven hundred ninety-nine thousand three hundred sixteen
Scientific notation
8.1799316 × 10^7
Engineering notation
8.1799316 × 10^6
Prime Factorization
2 × 2 × 23 × 889123
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40899658
Product of the distinct prime numbers
The prime factorization of 81799316 is 2 × 2 × 23 × 889123.
Since it has a total of 4 prime factors.
9 , 5 , 77 , 30 , 70 , 558 , 8076 , 4177 , 27706 , 81743 , 534571 , 30658 , 7816174 , 5118775 , 47915518 , 83770029 , 649497183 , 508244975 , 7286958774 , 2992917095
n×2
163598632
n×3
245397948
n×4
327197264
n×5
408996580
n÷2
40899658
n÷3
27266438.666667
n÷3
20449829
n÷5
16359863.2
n2
6691128098067856
n3
5.4732970169033E+23
n4
4.4771195224753E+31
n5
3.6622531458873E+39
2 √n
9044.2974298726
3 √n
434.09344119838
4 √n
95.101511186062
5 √n
38.242822206684
1 , 2 , 4 , 23 , 46 , 92 , 889123 , 1778246 , 3556492 , 20449829 , 40899658 , 81799316
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81799315
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81799316 can be divided by 12 positive divisors.
The sum of these divisors (counting 81799316) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111000000010100010010100
3
Ternary
12200220211120022
4
Quaternary
10320002202110
5
Quinary
131420034231
6
Senary
12041124312
8
Octal
470024224
10
Decimal
81799316
12
Duodecimal
23489698
16
Hexadecimal
4e02894
20
Vigesimal
15b4i5g
36
Base36
1cp8r8
md5
ca0f6c453b4b5bf6f58ed1c25ad8c6f4
sha1
db6d5aa1b85235e049dd1d09da39065b5f8cdc61
sha256
ef8dbad42705266e92cc1319519b2303774cbf33aca40cc5e9fac6ea28c10a45
sha512
c69632d2791f8fe02d4f8a9b9242adfed9c5e9848959261195fe2cdc9a772e157a29f415371be0fd568099ff99c4c96e715312ffd4a1f1f45bd538a75f09ee5c
ripemd-160
5b3f503d722a3751d9cc9d0dada31599cc99419d
Diameter
163598632
Circumference
513960260.42854
Area
2.1020798877118E+16
Volume
2.2926492932291E+24
Surface area
8.4083195508473E+16
Circumference
513960260.42854
Perimeter
327197264
Area
6691128098067856
Diagonal
115681702.08004
Surface area
40146768588407136
Volume
5.4732970169033E+23
Space diagonal
141680571.33638
Perimeter
245397948
Area
2.8973434564513E+15
Altitude
70840285.668191
Surface area
2.8973434564513E+15
Volume
6.4503423935007E+22
Height
38560567.360014