82661721 (number)

82661721 is an odd 8-digits composite number following 82661720 and preceding 82661722. In scientific notation, it is written as 8.2661721 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 55107812 positive integers (up to 82661721) that are relatively prime to 82661721.

Interesting facts

Basic properties

Name

Name eighty-two million six hundred sixty-one thousand seven hundred twenty-one

Notation

Scientific notation 8.2661721 × 10^7
Engineering notation 8.2661721 × 10^6

Prime Factorization of 82661721

Prime Factorization 3 × 27553907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 82661721
Product of the distinct prime numbers

The prime factorization of 82661721 is 3 × 27553907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82661721)

Multiplication

n×y
n×2 165323442
n×3 247985163
n×4 330646884
n×5 413308605

Division

n÷y
n÷2 41330860.5
n÷3 27553907
n÷3 20665430.25
n÷5 16532344.2

Exponentiation

ny
n2 6832960118681841
n3 5.6482424293461E+23
n4 4.6689343983497E+31
n5 3.8594215260368E+39

Nth Root

y√n
2√n 9091.8491518502
3√n 435.61365102958
4√n 95.351188518289
5√n 38.323122605943

Divisors of 82661721

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 -82661720
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 82661721 can be divided by 4 positive divisors. The sum of these divisors (counting 82661721) is 1, the average is 0.25.

Base conversion 82661721

Base System Value
2 Binary 100111011010101000101011001
3 Ternary 12202112122120020
4 Quaternary 10323111011121
5 Quinary 132130133341
6 Senary 12111421053
8 Octal 473250531
10 Decimal 82661721
12 Duodecimal 23824789
16 Hexadecimal 4ed5159
20 Vigesimal 15gce61
36 Base36 1d7q6x

Cryptographic Hash Functions

md5 b51fcb7e65a1aa0691c53a169ceda32d
sha1 bbd971b05d53354be5f78554180e8fbc959a1844
sha256 0df47067f5061086dcc755a3e50165d29036e736dcd8d7c895bde5edab83911f
sha512 c81d886633029274b537c413fdc49c9b63bb065e9c6d37b89edb84152da17cd4d149a3f15db8cf6518df4bc0617277d4780a1458f87dc5920fcf33908a6f8313
ripemd-160 19af136d175c08c7936153b51d286c455058356d

82661721 as geometric shapes

Circle

Radius = n
Diameter 165323442
Circumference 519378910.85338
Area 2.1466377311123E+16

Sphere

Radius = n
Volume 2.3659302562304E+24
Surface area 8.5865509244492E+16
Circumference 519378910.85338

Square

Length = n
Perimeter 330646884
Area 6832960118681841
Diagonal 116901326.9273

Cube

Length = n
Surface area 40997760712091046
Volume 5.6482424293461E+23
Space diagonal 143174300.61308

Equilateral Triangle

Length = n
Perimeter 247985163
Area 2.9587585229122E+15
Altitude 71587150.306542

Triangular Pyramid

Length = n
Surface area 2.9587585229122E+15
Volume 6.6565175392936E+22
Height 38967108.975767