81799963 is an odd 8-digits composite number following 81799962
and preceding 81799964 . In scientific notation, it is written as 8.1799963 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 68962320 positive integers (up to 81799963) that are relatively prime to 81799963.
81799963 has 8 divisors, whose sum is 84840800
The reverse of 81799963 is 36999718
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
eighty-one million seven hundred ninety-nine thousand nine hundred sixty-three
Scientific notation
8.1799963 × 10^7
Engineering notation
8.1799963 × 10^6
Prime Factorization
49 × 61 × 27367
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81799963
Product of the distinct prime numbers
The prime factorization of 81799963 is 49 × 61 × 27367.
Since it has a total of 3 prime factors.
5 , 2 , 51 , 65 , 435 , 971 , 507 , 3485 , 25071 , 41871 , 876604 , 123569 , 7529146 , 9558980 , 26802324 , 72255944 , 838209782 , 738189568 , 9016312989 , 5915357016
n×2
163599926
n×3
245399889
n×4
327199852
n×5
408999815
n÷2
40899981.5
n÷3
27266654.333333
n÷3
20449990.75
n÷5
16359992.6
n2
6691233946801369
n3
5.473426892727E+23
n4
4.4772611730827E+31
n5
3.662397982995E+39
2 √n
9044.3331981965
3 √n
434.09458569742
4 √n
95.10169923927
5 √n
38.24288270359
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81799962
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81799963 can be divided by 8 positive divisors.
The sum of these divisors (counting 81799963) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111000000010101100011011
3
Ternary
12200220212110021
4
Quaternary
10320002230123
5
Quinary
131420044323
6
Senary
12041131311
8
Octal
470025433
10
Decimal
81799963
12
Duodecimal
23489b37
16
Hexadecimal
4e02b1b
20
Vigesimal
15b4ji3
36
Base36
1cp997
md5
22ede4ae620b08f0196558f519c4ac32
sha1
d064452ef1e2f02f8c60a269d243abf2cb1ed7bf
sha256
af11b1ffe8e30cebe909ab8da801173830a0b7bd1d5b334e0b3e207b11fd5d1e
sha512
a2f778908181ce5d4f6ba78383a7b0df2d5dbcf7d51fe0c897046e85ec2966b9cd929aa142bdeeb6b3add1276a31da7dedacec12691acddcc0b7f711447ba30b
ripemd-160
ee2fc48924aa2f001d7487616e543ec5459c8c3d
Diameter
163599926
Circumference
513964325.64943
Area
2.1021131410722E+16
Volume
2.2927036954869E+24
Surface area
8.4084525642887E+16
Circumference
513964325.64943
Perimeter
327199852
Area
6691233946801369
Diagonal
115682617.07622
Surface area
40147403680808214
Volume
5.473426892727E+23
Space diagonal
141681691.97325
Perimeter
245399889
Area
2.8973892902974E+15
Altitude
70840845.986627
Surface area
2.8973892902974E+15
Volume
6.4504954536267E+22
Height
38560872.358739