81650897 is an odd 8-digits composite number following 81650896
and preceding 81650898 . In scientific notation, it is written as 8.1650897 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 75989232 positive integers (up to 81650897) that are relatively prime to 81650897.
81650897 has 8 divisors, whose sum is 87504576
The reverse of 81650897 is 79805618
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-one million six hundred fifty thousand eight hundred ninety-seven
Scientific notation
8.1650897 × 10^7
Engineering notation
8.1650897 × 10^6
Prime Factorization
37 × 23 × 95947
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81650897
Product of the distinct prime numbers
The prime factorization of 81650897 is 37 × 23 × 95947.
Since it has a total of 3 prime factors.
1 , 7 , 91 , 38 , 476 , 863 , 9854 , 1209 , 44051 , 69432 , 62496 , 94224 , 4106575 , 8268561 , 11885252 , 34361785 , 63813198 , 679307314 , 6436580588 , 2834420927
n×2
163301794
n×3
244952691
n×4
326603588
n×5
408254485
n÷2
40825448.5
n÷3
27216965.666667
n÷3
20412724.25
n÷5
16330179.4
n2
6666868980904609
n3
5.4435583247234E+23
n4
4.4447142008548E+31
n5
3.6291490140843E+39
2 √n
9036.0885896498
3 √n
433.83073843011
4 √n
95.058343082813
5 √n
38.228934351265
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
-81650896
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 81650897 can be divided by 8 positive divisors.
The sum of these divisors (counting 81650897) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111011110010011010001
3
Ternary
12200122021222022
4
Quaternary
10313132103101
5
Quinary
131400312042
6
Senary
12034021225
8
Octal
467362321
10
Decimal
81650897
12
Duodecimal
23417815
16
Hexadecimal
4dde4d1
20
Vigesimal
15a674h
36
Base36
1cm28h
md5
a847a4aade9f303e8b7e4a48aa884a14
sha1
ec0b589b120408e6908e2360c0fa8e0603e9e4ba
sha256
4b355d3ce2fe9f94d1da4ed6dcde71151f81026edd957a9af9c00a330f040c4e
sha512
b526a73d90d40ee8fb7c6f13f1b2c4c7d855ed9c9a9bdacf19515b2286e8eb4f4671d23b40a795d92af226e38bd86b90ccc328fd9ed9425a11f252cfa106e422
ripemd-160
54af2e9c9c5ca55a3547fe4727e3e9a77b901552
Diameter
163301794
Circumference
513027716.34843
Area
2.0944586612856E+16
Volume
2.2801923789785E+24
Surface area
8.3778346451422E+16
Circumference
513027716.34843
Perimeter
326603588
Area
6666868980904609
Diagonal
115471805.91733
Surface area
40001213885427654
Volume
5.4435583247234E+23
Space diagonal
141423502.08757
Perimeter
244952691
Area
2.8868389505829E+15
Altitude
70711751.043787
Surface area
2.8868389505829E+15
Volume
6.4152950086606E+22
Height
38490601.972443