81650345 (number)

81650345 is an odd 8-digits composite number following 81650344 and preceding 81650346. In scientific notation, it is written as 8.1650345 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 53553984 positive integers (up to 81650345) that are relatively prime to 81650345.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred fifty thousand three hundred forty-five

Notation

Scientific notation 8.1650345 × 10^7
Engineering notation 8.1650345 × 10^6

Prime Factorization of 81650345

Prime Factorization 35 × 23 × 101429

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81650345
Product of the distinct prime numbers

The prime factorization of 81650345 is 35 × 23 × 101429. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81650345)

Multiplication

n×y
n×2 163300690
n×3 244951035
n×4 326601380
n×5 408251725

Division

n÷y
n÷2 40825172.5
n÷3 27216781.666667
n÷3 20412586.25
n÷5 16330069

Exponentiation

ny
n2 6666778838619025
n3 5.4434479221194E+23
n4 4.4445940083058E+31
n5 3.629026341631E+39

Nth Root

y√n
2√n 9036.058045409
3√n 433.82976079192
4√n 95.058182422183
5√n 38.228882661866

Divisors of 81650345

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 -81650344
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 81650345 can be divided by 8 positive divisors. The sum of these divisors (counting 81650345) is 1, the average is 0.125.

Base conversion 81650345

Base System Value
2 Binary 100110111011110001010101001
3 Ternary 12200122021012212
4 Quaternary 10313132022221
5 Quinary 131400302340
6 Senary 12034014505
8 Octal 467361251
10 Decimal 81650345
12 Duodecimal 23417435
16 Hexadecimal 4dde2a9
20 Vigesimal 15a65h5
36 Base36 1cm1t5

Cryptographic Hash Functions

md5 ee8d7bc3255ba7bf35ba70a16efe4693
sha1 944f0f5d56eec9ba69e2f206bf3b485e597f931a
sha256 7843a71def23c11f6543763b46fc3d79b7dc2586f3456d569388edaf2a5ed5f4
sha512 25f39ba8144acf7185a460a10011397b8c12892c906c6cb2b5833bc09c54e9f1aafb40638e4517d244440fedf6af378cea9daa73c1608da9b5ba7c007d756352
ripemd-160 45a7b2784addb1bf96dd00b4838799fa0ca34849

81650345 as geometric shapes

Circle

Radius = n
Diameter 163300690
Circumference 513024248.03014
Area 2.0944303422513E+16

Sphere

Radius = n
Volume 2.2801461336439E+24
Surface area 8.3777213690054E+16
Circumference 513024248.03014

Square

Length = n
Perimeter 326601380
Area 6666778838619025
Diagonal 115471025.27144

Cube

Length = n
Surface area 40000673031714150
Volume 5.4434479221194E+23
Space diagonal 141422545.99553

Equilateral Triangle

Length = n
Perimeter 244951035
Area 2.8867999178283E+15
Altitude 70711272.997764

Triangular Pyramid

Length = n
Surface area 2.8867999178283E+15
Volume 6.4151648979441E+22
Height 38490341.757147