81650897 (number)

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.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred fifty thousand eight hundred ninety-seven

Notation

Scientific notation 8.1650897 × 10^7
Engineering notation 8.1650897 × 10^6

Prime Factorization of 81650897

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.

Most popular turbo-numbers

Basic calculations (n = 81650897)

Multiplication

n×y
n×2 163301794
n×3 244952691
n×4 326603588
n×5 408254485

Division

n÷y
n÷2 40825448.5
n÷3 27216965.666667
n÷3 20412724.25
n÷5 16330179.4

Exponentiation

ny
n2 6666868980904609
n3 5.4435583247234E+23
n4 4.4447142008548E+31
n5 3.6291490140843E+39

Nth Root

y√n
2√n 9036.0885896498
3√n 433.83073843011
4√n 95.058343082813
5√n 38.228934351265

Divisors of 81650897

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 conversion 81650897

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

Cryptographic Hash Functions

md5 a847a4aade9f303e8b7e4a48aa884a14
sha1 ec0b589b120408e6908e2360c0fa8e0603e9e4ba
sha256 4b355d3ce2fe9f94d1da4ed6dcde71151f81026edd957a9af9c00a330f040c4e
sha512 b526a73d90d40ee8fb7c6f13f1b2c4c7d855ed9c9a9bdacf19515b2286e8eb4f4671d23b40a795d92af226e38bd86b90ccc328fd9ed9425a11f252cfa106e422
ripemd-160 54af2e9c9c5ca55a3547fe4727e3e9a77b901552

81650897 as geometric shapes

Circle

Radius = n
Diameter 163301794
Circumference 513027716.34843
Area 2.0944586612856E+16

Sphere

Radius = n
Volume 2.2801923789785E+24
Surface area 8.3778346451422E+16
Circumference 513027716.34843

Square

Length = n
Perimeter 326603588
Area 6666868980904609
Diagonal 115471805.91733

Cube

Length = n
Surface area 40001213885427654
Volume 5.4435583247234E+23
Space diagonal 141423502.08757

Equilateral Triangle

Length = n
Perimeter 244952691
Area 2.8868389505829E+15
Altitude 70711751.043787

Triangular Pyramid

Length = n
Surface area 2.8868389505829E+15
Volume 6.4152950086606E+22
Height 38490601.972443