82661989 (number)

82661989 is an odd 8-digits composite number following 82661988 and preceding 82661990. In scientific notation, it is written as 8.2661989 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 78311340 positive integers (up to 82661989) that are relatively prime to 82661989.

Interesting facts

Basic properties

Name

Name eighty-two million six hundred sixty-one thousand nine hundred eighty-nine

Notation

Scientific notation 8.2661989 × 10^7
Engineering notation 8.2661989 × 10^6

Prime Factorization of 82661989

Prime Factorization 19 × 4350631

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 82661989
Product of the distinct prime numbers

The prime factorization of 82661989 is 19 × 4350631. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82661989)

Multiplication

n×y
n×2 165323978
n×3 247985967
n×4 330647956
n×5 413309945

Division

n÷y
n÷2 41330994.5
n÷3 27553996.333333
n÷3 20665497.25
n÷5 16532397.8

Exponentiation

ny
n2 6833004425436121
n3 5.6482973665235E+23
n4 4.668994947803E+31
n5 3.8594840901634E+39

Nth Root

y√n
2√n 9091.8638903142
3√n 435.61412180102
4√n 95.351265803419
5√n 38.323147455616

Divisors of 82661989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -82661988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 82661989 can be divided by 4 positive divisors. The sum of these divisors (counting 82661989) is 1, the average is 0.25.

Base conversion 82661989

Base System Value
2 Binary 100111011010101001001100101
3 Ternary 12202112122221011
4 Quaternary 10323111021211
5 Quinary 132130140424
6 Senary 12111422221
8 Octal 473251145
10 Decimal 82661989
12 Duodecimal 23824971
16 Hexadecimal 4ed5265
20 Vigesimal 15gcej9
36 Base36 1d7qed

Cryptographic Hash Functions

md5 07dca2f14dfce22d3dd3a1fa5c137971
sha1 baccc7ff54e93ade34797c10adf585c339fa364f
sha256 2f03f1172d5be97f2c6c44104d2b50cc6694cbb115835994f61a9868d419c41d
sha512 7f9944ef4307cbd195a340feab32e798504792209a52db17efa7d6f95ef6476d1e8395884631065c879bf342fcceed1cfa9519c0a7e64c3ddef6dade17176ce4
ripemd-160 2247e137f9aa2b5246f7ce9f22f21884fa9696ff

82661989 as geometric shapes

Circle

Radius = n
Diameter 165323978
Circumference 519380594.74704
Area 2.1466516504897E+16

Sphere

Radius = n
Volume 2.3659532682614E+24
Surface area 8.5866066019587E+16
Circumference 519380594.74704

Square

Length = n
Perimeter 330647956
Area 6833004425436121
Diagonal 116901705.93654

Cube

Length = n
Surface area 40998026552616726
Volume 5.6482973665235E+23
Space diagonal 143174764.8027

Equilateral Triangle

Length = n
Perimeter 247985967
Area 2.9587777082996E+15
Altitude 71587382.40135

Triangular Pyramid

Length = n
Surface area 2.9587777082996E+15
Volume 6.6565822833782E+22
Height 38967235.312179