81836475 is an odd 8-digits composite number following 81836474
and preceding 81836476 . In scientific notation, it is written as 8.1836475 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 37002240 positive integers (up to 81836475) that are relatively prime to 81836475.
81836475 has 16 divisors, whose sum is 100223424
The reverse of 81836475 is 57463818
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-one million eight hundred thirty-six thousand four hundred seventy-five
Scientific notation
8.1836475 × 10^7
Engineering notation
8.1836475 × 10^6
Prime Factorization
105 × 5 × 97 × 1607
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81836475
Product of the distinct prime numbers
The prime factorization of 81836475 is 105 × 5 × 97 × 1607.
Since it has a total of 4 prime factors.
3 , 1 , 45 , 72 , 231 , 755 , 1156 , 8058 , 34971 , 50693 , 808633 , 380159 , 8553136 , 7791591 , 31441007 , 51690769 , 734847415 , 850689018 , 7427710805 , 9451888409
n×2
163672950
n×3
245509425
n×4
327345900
n×5
409182375
n÷2
40918237.5
n÷3
27278825
n÷3
20459118.75
n÷5
16367295
n2
6697208640425625
n3
5.4807594747198E+23
n4
4.4852603573392E+31
n5
3.6705789710188E+39
2 √n
9046.3514744896
3 √n
434.15916316711
4 √n
95.112309794735
5 √n
38.246296091188
1 , 5 , 97 , 105 , 485 , 525 , 1607 , 8035 , 10185 , 50925 , 155879 , 168735 , 779395 , 843675 , 16367295 , 81836475
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
-81836474
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 81836475 can be divided by 16 positive divisors.
The sum of these divisors (counting 81836475) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111000001011100110111011
3
Ternary
12200222201112120
4
Quaternary
10320023212323
5
Quinary
131422231400
6
Senary
12042012323
8
Octal
470134673
10
Decimal
81836475
12
Duodecimal
234a70a3
16
Hexadecimal
4e0b9bb
20
Vigesimal
15b9b3f
36
Base36
1cq1ff
md5
70818e561b825d4efe61fb4ae7a71abf
sha1
c199838ef29a824477f185dd6d106d615e1f04d3
sha256
96e417c6c681eb924a8f638d57f078142a69c1f738591fb28502af775b7956cd
sha512
d1345f738dcd3da76e2f0325b023264b07f658e6919217ce86ede981dcfcf6559fb9ffce9301c3c0235074af44cae3279a607ecf896b0a3a2bb7bb43907fdd10
ripemd-160
66a58e134732ea841b04cea3d6947830b5270393
Diameter
163672950
Circumference
514193737.31137
Area
2.1039901464319E+16
Volume
2.2957751602496E+24
Surface area
8.4159605857277E+16
Circumference
514193737.31137
Perimeter
327345900
Area
6697208640425625
Diagonal
115734252.84181
Surface area
40183251842553750
Volume
5.4807594747198E+23
Space diagonal
141744932.61234
Perimeter
245509425
Area
2.8999764085266E+15
Altitude
70872466.30617
Surface area
2.8999764085266E+15
Volume
6.4591369843779E+22
Height
38578084.280602