82161870 (number)

82161870 is an even 8-digits composite number following 82161869 and preceding 82161871. In scientific notation, it is written as 8.2161870 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 18779808 positive integers (up to 82161870) that are relatively prime to 82161870.

Interesting facts

Basic properties

Name

Name eighty-two million one hundred sixty-one thousand eight hundred seventy

Notation

Scientific notation 8.2161870 × 10^7
Engineering notation 8.2161870 × 10^6

Prime Factorization of 82161870

Prime Factorization 2 × 15 × 7 × 391247

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 82161870
Product of the distinct prime numbers

The prime factorization of 82161870 is 2 × 15 × 7 × 391247. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 84, 24, 682, 57, 482, 5261, 28771, 2474, 784294, 484366, 3222947, 2598476, 35805231, 82273532, 480567204, 174194859, 4271353856, 1395579891

Basic calculations (n = 82161870)

Multiplication

n×y
n×2 164323740
n×3 246485610
n×4 328647480
n×5 410809350

Division

n÷y
n÷2 41080935
n÷3 27387290
n÷3 20540467.5
n÷5 16432374

Exponentiation

ny
n2 6750572881896900
n3 5.5463969154794E+23
n4 4.5570234233802E+31
n5 3.7441356609872E+39

Nth Root

y√n
2√n 9064.3185072017
3√n 434.73383109169
4√n 95.206714611952
5√n 38.276662518954

Divisors of 82161870

1, 2, 7, 14, 15, 30, 105, 210, 391247, 782494, 2738729, 5477458, 5868705, 11737410, 41080935, 82161870

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 -82161869
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 82161870 can be divided by 16 positive divisors. The sum of these divisors (counting 82161870) is 1, the average is 0.0625.

Base conversion 82161870

Base System Value
2 Binary 100111001011011000011001110
3 Ternary 12201121020220020
4 Quaternary 10321123003032
5 Quinary 132013134440
6 Senary 12053003010
8 Octal 471330316
10 Decimal 82161870
12 Duodecimal 23623466
16 Hexadecimal 4e5b0ce
20 Vigesimal 15da4da
36 Base36 1cx0i6

Cryptographic Hash Functions

md5 59d703355cc388426c3c3828cea5069b
sha1 83d3ca3e64f6bcd37c7f7d9bd24540a9e165326d
sha256 79237a2053c8b40369cad46333ae33ac48379b195a2e4c02b73bed302763893e
sha512 dfda593ca0a4c7f7a34a6b43469dce6084cf79023a9538469ffc7fa36973d479ff5bab8c630a2d55a4fdb4793d0595e2574cfd7622d0a3d27a83c4e2b80535dc
ripemd-160 c471d4231913afc842a74e537c18b3a3d14c630c

82161870 as geometric shapes

Circle

Radius = n
Diameter 164323740
Circumference 516238254.3944
Area 2.120755017329E+16

Sphere

Radius = n
Volume 2.3232693071417E+24
Surface area 8.4830200693159E+16
Circumference 516238254.3944

Square

Length = n
Perimeter 328647480
Area 6750572881896900
Diagonal 116194430.86394

Cube

Length = n
Surface area 40503437291381400
Volume 5.5463969154794E+23
Space diagonal 142308533.28487

Equilateral Triangle

Length = n
Perimeter 246485610
Area 2.9230838029105E+15
Altitude 71154266.642435

Triangular Pyramid

Length = n
Surface area 2.9230838029105E+15
Volume 6.536491450146E+22
Height 38731476.954645