81640175 (number)

81640175 is an odd 8-digits composite number following 81640174 and preceding 81640176. In scientific notation, it is written as 8.1640175 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 63921600 positive integers (up to 81640175) that are relatively prime to 81640175.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred forty thousand one hundred seventy-five

Notation

Scientific notation 8.1640175 × 10^7
Engineering notation 8.1640175 × 10^6

Prime Factorization of 81640175

Prime Factorization 25 × 47 × 69481

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81640175
Product of the distinct prime numbers

The prime factorization of 81640175 is 25 × 47 × 69481. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81640175)

Multiplication

n×y
n×2 163280350
n×3 244920525
n×4 326560700
n×5 408200875

Division

n÷y
n÷2 40820087.5
n÷3 27213391.666667
n÷3 20410043.75
n÷5 16328035

Exponentiation

ny
n2 6665118174030625
n3 5.4414141412354E+23
n4 4.4423800273793E+31
n5 3.6267668285175E+39

Nth Root

y√n
2√n 9035.4952824956
3√n 433.81174808231
4√n 95.055222278924
5√n 38.227930290855

Divisors of 81640175

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 -81640174
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 81640175 can be divided by 8 positive divisors. The sum of these divisors (counting 81640175) is 1, the average is 0.125.

Base conversion 81640175

Base System Value
2 Binary 100110111011011101011101111
3 Ternary 12200121202021012
4 Quaternary 10313123223233
5 Quinary 131344441200
6 Senary 12033455435
8 Octal 467335357
10 Decimal 81640175
12 Duodecimal 2341157b
16 Hexadecimal 4ddbaef
20 Vigesimal 15a508f
36 Base36 1cltyn

Cryptographic Hash Functions

md5 f3bfb7b0df2839de50b7db127da12c93
sha1 f5d9198563e544977f5f53ce4309dac1675fe3aa
sha256 c97b5c6fdf52c04510441849343c2b2a82aaaa0d28e5e353ca4542ac0d6f4edb
sha512 4b84cc4a482e742643399f961aedc507c016fb62143e7f02b5b9893a403e3e57b41b676bb57cccd42fd7e0885f479278fb1063db1020345372d9c0d5f6fdd372
ripemd-160 e2f58043b4004b3eba1264576c734f589d5b60d1

81640175 as geometric shapes

Circle

Radius = n
Diameter 163280350
Circumference 512960348.03557
Area 2.0939086290842E+16

Sphere

Radius = n
Volume 2.2792942254993E+24
Surface area 8.375634516337E+16
Circumference 512960348.03557

Square

Length = n
Perimeter 326560700
Area 6665118174030625
Diagonal 115456642.71951

Cube

Length = n
Surface area 39990709044183750
Volume 5.4414141412354E+23
Space diagonal 141404931.03881

Equilateral Triangle

Length = n
Perimeter 244920525
Area 2.8860808289679E+15
Altitude 70702465.519407

Triangular Pyramid

Length = n
Surface area 2.8860808289679E+15
Volume 6.4127680641866E+22
Height 38485547.573171