81796797 is an odd 8-digits composite number following 81796796
and preceding 81796798 . In scientific notation, it is written as 8.1796797 × 10^7.
The sum of its digits is 54. It has a total of 3 prime factors and 6 positive divisors.
There are 54531144 positive integers (up to 81796797) that are relatively prime to 81796797.
81796797 has 6 divisors, whose sum is 91895258
The reverse of 81796797 is 79769718
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
eighty-one million seven hundred ninety-six thousand seven hundred ninety-seven
Scientific notation
8.1796797 × 10^7
Engineering notation
8.1796797 × 10^6
Prime Factorization
9 × 9 × 1009837
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
9088533
Product of the distinct prime numbers
The prime factorization of 81796797 is 9 × 9 × 1009837.
Since it has a total of 3 prime factors.
1 , 10 , 60 , 28 , 644 , 521 , 7407 , 9031 , 51099 , 41075 , 211264 , 302411 , 7938300 , 2676745 , 51063565 , 84772243 , 54733030 , 502115031 , 5076173345 , 2593110052
n×2
163593594
n×3
245390391
n×4
327187188
n×5
408983985
n÷2
40898398.5
n÷3
27265599
n÷3
20449199.25
n÷5
16359359.4
n2
6690715999459209
n3
5.4727913839242E+23
n4
4.4765680585419E+31
n5
3.6616892874124E+39
2 √n
9044.1581697801
3 √n
434.08898520104
4 √n
95.100779017735
5 √n
38.242586667169
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81796796
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81796797 can be divided by 6 positive divisors.
The sum of these divisors (counting 81796797) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100111000000001111010111101
3
Ternary
12200220201010000
4
Quaternary
10320001322331
5
Quinary
131414444142
6
Senary
12041104513
8
Octal
470017275
10
Decimal
81796797
12
Duodecimal
23488139
16
Hexadecimal
4e01ebd
20
Vigesimal
15b4bjh
36
Base36
1cp6t9
md5
6ebde456574180e527041ad80938a7f2
sha1
cb73803a029942bfaa98c842efb4b990cb285cc4
sha256
8ec1bedd1b0a9d9e2918d1f7cc206a81c10f07827d5d4c151259ca2642d450f3
sha512
ca6ab5e3f1bb40ac36abf365a67a5cf7a3a43a820eec186ed9efb4d98719e4304d58cc5064c6c52eb6544a216110c4903176a21b207b9a2cf93d861081a7148a
ripemd-160
509b7b306b41000a20578627f6328e817b8fd6f9
Diameter
163593594
Circumference
513944433.08475
Area
2.1019504231157E+16
Volume
2.2924374941821E+24
Surface area
8.4078016924627E+16
Circumference
513944433.08475
Perimeter
327187188
Area
6690715999459209
Diagonal
115678139.67608
Surface area
40144295996755254
Volume
5.4727913839242E+23
Space diagonal
141676208.3004
Perimeter
245390391
Area
2.8971650125193E+15
Altitude
70838104.150199
Surface area
2.8971650125193E+15
Volume
6.4497464993202E+22
Height
38559379.892026