82707981 (number)

82707981 is an odd 8-digits composite number following 82707980 and preceding 82707982. In scientific notation, it is written as 8.2707981 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 55138652 positive integers (up to 82707981) that are relatively prime to 82707981.

Interesting facts

Basic properties

Name

Name eighty-two million seven hundred seven thousand nine hundred eighty-one

Notation

Scientific notation 8.2707981 × 10^7
Engineering notation 8.2707981 × 10^6

Prime Factorization of 82707981

Prime Factorization 3 × 27569327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 82707981
Product of the distinct prime numbers

The prime factorization of 82707981 is 3 × 27569327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 9, 35, 33, 94, 328, 9118, 647, 79862, 922, 756535, 115654, 3212352, 2966925, 24097985, 77389096, 486716413, 148208441, 6138809693, 9825072534

Basic calculations (n = 82707981)

Multiplication

n×y
n×2 165415962
n×3 248123943
n×4 330831924
n×5 413539905

Division

n÷y
n÷2 41353990.5
n÷3 27569327
n÷3 20676995.25
n÷5 16541596.2

Exponentiation

ny
n2 6840610121096361
n3 5.6577305192405E+23
n4 4.6793946828846E+31
n5 3.8702328652352E+39

Nth Root

y√n
2√n 9094.3928329493
3√n 435.69489673515
4√n 95.364526072064
5√n 38.327411001859

Divisors of 82707981

1, 3, 27569327, 82707981

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 -82707980
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 82707981 can be divided by 4 positive divisors. The sum of these divisors (counting 82707981) is 1, the average is 0.25.

Base conversion 82707981

Base System Value
2 Binary 100111011100000011000001101
3 Ternary 12202122000000120
4 Quaternary 10323200120031
5 Quinary 132133123411
6 Senary 12112415153
8 Octal 473403015
10 Decimal 82707981
12 Duodecimal 238474b9
16 Hexadecimal 4ee060d
20 Vigesimal 15gi9j1
36 Base36 1d8pvx

Cryptographic Hash Functions

md5 641d86b7c7b1c81dfaa149d40924c0d3
sha1 6785770d09edccb1238bc53eb7dea878abc77cf3
sha256 71103c24fa6ad8fe258aaa28b6ce99aa4871a10e04b9c358c70b0299e32a72ad
sha512 0b7dec210d3fa8c0c5ae00dbf090a07a7468f03d552c4ef9bc570d6608f7eddb131722b8bdaec408074e92421abd883e6eb0d6f58d24662a4e3156dd4626da55
ripemd-160 7fec887992c7b2b571eb9524e99b7849736051d5

82707981 as geometric shapes

Circle

Radius = n
Diameter 165415962
Circumference 519669571.00569
Area 2.1490410502508E+16

Sphere

Radius = n
Volume 2.3699046180315E+24
Surface area 8.5961642010033E+16
Circumference 519669571.00569

Square

Length = n
Perimeter 330831924
Area 6840610121096361
Diagonal 116966748.4467

Cube

Length = n
Surface area 41043660726578166
Volume 5.6577305192405E+23
Space diagonal 143254425.28344

Equilateral Triangle

Length = n
Perimeter 248123943
Area 2.9620710711272E+15
Altitude 71627212.641721

Triangular Pyramid

Length = n
Surface area 2.9620710711272E+15
Volume 6.6676993604684E+22
Height 38988916.148899