82820721 (number)

82820721 is an odd 8-digits composite number following 82820720 and preceding 82820722. In scientific notation, it is written as 8.2820721 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 54038960 positive integers (up to 82820721) that are relatively prime to 82820721.

Interesting facts

Basic properties

Name

Name eighty-two million eight hundred twenty thousand seven hundred twenty-one

Notation

Scientific notation 8.2820721 × 10^7
Engineering notation 8.2820721 × 10^6

Prime Factorization of 82820721

Prime Factorization 3 × 47 × 587381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 82820721
Product of the distinct prime numbers

The prime factorization of 82820721 is 3 × 47 × 587381. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82820721)

Multiplication

n×y
n×2 165641442
n×3 248462163
n×4 331282884
n×5 414103605

Division

n÷y
n÷2 41410360.5
n÷3 27606907
n÷3 20705180.25
n÷5 16564144.2

Exponentiation

ny
n2 6859271826959841
n3 5.680898382438E+23
n4 4.7049609996125E+31
n5 3.8966826226479E+39

Nth Root

y√n
2√n 9100.5890468694
3√n 435.89277341001
4√n 95.39700753624
5√n 38.337854197724

Divisors of 82820721

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 -82820720
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 82820721 can be divided by 8 positive divisors. The sum of these divisors (counting 82820721) is 1, the average is 0.125.

Base conversion 82820721

Base System Value
2 Binary 100111011111011111001110001
3 Ternary 12202211201200010
4 Quaternary 10323323321301
5 Quinary 132200230341
6 Senary 12115045133
8 Octal 473737161
10 Decimal 82820721
12 Duodecimal 238a07a9
16 Hexadecimal 4efbe71
20 Vigesimal 15hcbg1
36 Base36 1db4vl

Cryptographic Hash Functions

md5 9cc33694f711e096f5bd4acca6a36da5
sha1 6e92f0bec352bc5990a7082ee055d3a10d8dfeb3
sha256 3b5a414776e0b8a7b3641838150fd149e80527e5b58699fe215e7a8a9bde9e0f
sha512 2db612b7aa198f42f7bcde55edc4d2e4f9345078c9b338db50881eed02ccfd83231de72b2c20e592a00c0b0fefe8e69fd63924b2d637b1ab6374b813e415c4ff
ripemd-160 48ff5c06bbf94a2e2ee57faede93ade537cf66d3

82820721 as geometric shapes

Circle

Radius = n
Diameter 165641442
Circumference 520377937.31722
Area 2.1549037980552E+16

Sphere

Radius = n
Volume 2.3796091498743E+24
Surface area 8.619615192221E+16
Circumference 520377937.31722

Square

Length = n
Perimeter 331282884
Area 6859271826959841
Diagonal 117126186.88372

Cube

Length = n
Surface area 41155630961759046
Volume 5.680898382438E+23
Space diagonal 143449696.69149

Equilateral Triangle

Length = n
Perimeter 248462163
Area 2.9701518268051E+15
Altitude 71724848.345743

Triangular Pyramid

Length = n
Surface area 2.9701518268051E+15
Volume 6.6950029490893E+22
Height 39042062.294573